./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:19:06,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:19:06,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:19:06,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:19:06,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:19:06,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:19:06,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:19:06,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:19:06,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:19:06,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:19:06,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:19:06,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:19:06,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:19:06,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:19:06,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:19:06,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:19:06,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:19:06,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:19:06,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:19:06,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:19:06,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:19:06,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:19:06,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:19:06,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:19:06,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:19:06,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:19:06,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:19:06,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:19:06,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:19:06,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:19:06,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:19:06,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:19:06,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:19:06,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:19:06,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:19:06,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:19:06,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:19:06,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:19:06,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:19:06,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:19:06,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:19:06,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:19:06,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:19:06,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:19:06,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:19:06,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:19:06,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:19:06,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:19:06,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:19:06,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:19:06,800 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:19:06,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:19:06,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:19:06,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:19:06,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:19:06,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:19:06,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:19:06,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:19:06,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:19:06,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:19:06,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:19:06,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-12-14 18:19:06,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:19:07,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:19:07,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:19:07,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:19:07,020 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:19:07,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-12-14 18:19:07,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cd369e4/ce58771049df4565b017be978f1984bf/FLAGbdc279597 [2021-12-14 18:19:07,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:19:07,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-12-14 18:19:07,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cd369e4/ce58771049df4565b017be978f1984bf/FLAGbdc279597 [2021-12-14 18:19:07,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4cd369e4/ce58771049df4565b017be978f1984bf [2021-12-14 18:19:07,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:19:07,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:19:07,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:19:07,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:19:07,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:19:07,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:19:07" (1/1) ... [2021-12-14 18:19:07,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c56982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:07, skipping insertion in model container [2021-12-14 18:19:07,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:19:07" (1/1) ... [2021-12-14 18:19:07,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:19:07,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:19:09,070 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2021-12-14 18:19:09,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:19:09,181 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:19:09,413 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2021-12-14 18:19:09,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:19:09,555 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:19:09,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09 WrapperNode [2021-12-14 18:19:09,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:19:09,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:19:09,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:19:09,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:19:09,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,793 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-12-14 18:19:09,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:19:09,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:19:09,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:19:09,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:19:09,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:09,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:10,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:19:10,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:19:10,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:19:10,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:19:10,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (1/1) ... [2021-12-14 18:19:10,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:19:10,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:19:10,101 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) [2021-12-14 18:19:10,164 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 [2021-12-14 18:19:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-12-14 18:19:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-12-14 18:19:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-14 18:19:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-14 18:19:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:19:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:19:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-12-14 18:19:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-12-14 18:19:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:19:10,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:19:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-12-14 18:19:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-12-14 18:19:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-14 18:19:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-14 18:19:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:19:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:19:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-12-14 18:19:10,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-12-14 18:19:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:19:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:19:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:19:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:19:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-12-14 18:19:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-12-14 18:19:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 18:19:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 18:19:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-12-14 18:19:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-12-14 18:19:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:19:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:19:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:19:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:19:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:19:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:19:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:19:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:19:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-12-14 18:19:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-12-14 18:19:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-14 18:19:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-14 18:19:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 18:19:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 18:19:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:19:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 18:19:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 18:19:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:19:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:19:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-14 18:19:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-14 18:19:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:19:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:19:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:19:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:19:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:19:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-12-14 18:19:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-12-14 18:19:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-12-14 18:19:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-12-14 18:19:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:19:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:19:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:19:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:19:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:19:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:19:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:19:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:19:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-12-14 18:19:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-12-14 18:19:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-12-14 18:19:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-12-14 18:19:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-14 18:19:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-14 18:19:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-14 18:19:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-14 18:19:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:19:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:19:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 18:19:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 18:19:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:19:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:19:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:19:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:19:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-14 18:19:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-14 18:19:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:19:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:19:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:19:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:19:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:19:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:19:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:19:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:19:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:19:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-14 18:19:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-14 18:19:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-12-14 18:19:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-12-14 18:19:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:19:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-14 18:19:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-14 18:19:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-12-14 18:19:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-12-14 18:19:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-12-14 18:19:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-12-14 18:19:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:19:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:19:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:19:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:19:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:19:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:19:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:19:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-14 18:19:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-14 18:19:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:19:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:19:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:19:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:19:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-12-14 18:19:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-12-14 18:19:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-12-14 18:19:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-12-14 18:19:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-12-14 18:19:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-12-14 18:19:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 18:19:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 18:19:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-12-14 18:19:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-12-14 18:19:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:19:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 18:19:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 18:19:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-14 18:19:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-14 18:19:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:19:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:19:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 18:19:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 18:19:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-14 18:19:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-14 18:19:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:19:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:19:10,676 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:19:10,678 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:19:11,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:19:15,940 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:19:15,960 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:19:15,961 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:19:15,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:15 BoogieIcfgContainer [2021-12-14 18:19:15,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:19:15,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:19:15,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:19:15,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:19:15,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:19:07" (1/3) ... [2021-12-14 18:19:15,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589fdc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:19:15, skipping insertion in model container [2021-12-14 18:19:15,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:09" (2/3) ... [2021-12-14 18:19:15,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589fdc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:19:15, skipping insertion in model container [2021-12-14 18:19:15,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:15" (3/3) ... [2021-12-14 18:19:15,970 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-12-14 18:19:15,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:19:15,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:19:16,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:19:16,015 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:19:16,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:19:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 1483 states, 1000 states have (on average 1.352) internal successors, (1352), 1033 states have internal predecessors, (1352), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) [2021-12-14 18:19:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-14 18:19:16,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:19:16,090 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:19:16,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:19:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:19:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1116351234, now seen corresponding path program 1 times [2021-12-14 18:19:16,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:19:16,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906157705] [2021-12-14 18:19:16,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:19:16,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms