./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 ae007674 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-dev-ae00767 [2021-12-28 04:31:20,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:31:20,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:31:20,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:31:20,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:31:20,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:31:20,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:31:20,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:31:20,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:31:20,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:31:20,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:31:20,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:31:20,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:31:20,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:31:20,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:31:20,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:31:20,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:31:20,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:31:20,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:31:20,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:31:20,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:31:20,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:31:20,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:31:20,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:31:20,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:31:20,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:31:20,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:31:20,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:31:20,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:31:20,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:31:20,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:31:20,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:31:20,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:31:20,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:31:20,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:31:20,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:31:20,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:31:20,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:31:20,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:31:20,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:31:20,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:31:20,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:31:20,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:31:20,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:31:20,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:31:20,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:31:20,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:31:20,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:31:20,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:31:20,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:31:20,841 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:31:20,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:31:20,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:31:20,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:31:20,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:31:20,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:31:20,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:31:20,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:31:20,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-12-28 04:31:21,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:31:21,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:31:21,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:31:21,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:31:21,146 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:31:21,147 INFO L432 ainManager$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 [2021-12-28 04:31:21,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fb39e8f/3286698af958488daa83fec6c13b46ad/FLAG8952cb960 [2021-12-28 04:31:21,828 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:31:21,828 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 [2021-12-28 04:31:21,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fb39e8f/3286698af958488daa83fec6c13b46ad/FLAG8952cb960 [2021-12-28 04:31:22,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fb39e8f/3286698af958488daa83fec6c13b46ad [2021-12-28 04:31:22,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:31:22,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:31:22,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:31:22,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:31:22,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:31:22,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:31:22" (1/1) ... [2021-12-28 04:31:22,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adc3acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:22, skipping insertion in model container [2021-12-28 04:31:22,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:31:22" (1/1) ... [2021-12-28 04:31:22,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:31:22,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:31:23,554 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] [2021-12-28 04:31:23,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:31:23,632 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:31:23,934 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] [2021-12-28 04:31:23,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:31:24,056 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:31:24,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24 WrapperNode [2021-12-28 04:31:24,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:31:24,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:31:24,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:31:24,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:31:24,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,301 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-12-28 04:31:24,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:31:24,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:31:24,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:31:24,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:31:24,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:31:24,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:31:24,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:31:24,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:31:24,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (1/1) ... [2021-12-28 04:31:24,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:31:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:31:24,588 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) [2021-12-28 04:31:24,626 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 [2021-12-28 04:31:24,644 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-12-28 04:31:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-12-28 04:31:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-28 04:31:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-28 04:31:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:31:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:31:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-12-28 04:31:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-12-28 04:31:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:31:24,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:31:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-12-28 04:31:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-12-28 04:31:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-28 04:31:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-28 04:31:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:31:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:31:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-12-28 04:31:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-12-28 04:31:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:31:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:31:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:31:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:31:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-12-28 04:31:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-12-28 04:31:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 04:31:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:31:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-12-28 04:31:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:31:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:31:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:31:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:31:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:31:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:31:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:31:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:31:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-28 04:31:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-28 04:31:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:31:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 04:31:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 04:31:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:31:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:31:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:31:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:31:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:31:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:31:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-28 04:31:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-28 04:31:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-12-28 04:31:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-12-28 04:31:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:31:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-28 04:31:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-28 04:31:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-12-28 04:31:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-12-28 04:31:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-12-28 04:31:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-12-28 04:31:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:31:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:31:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:31:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:31:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:31:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:31:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:31:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-28 04:31:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-28 04:31:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:31:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:31:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:31:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:31:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-12-28 04:31:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-12-28 04:31:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-12-28 04:31:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-12-28 04:31:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-12-28 04:31:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-12-28 04:31:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:31:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:31:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-12-28 04:31:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-12-28 04:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 04:31:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 04:31:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-28 04:31:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-28 04:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:31:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 04:31:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 04:31:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-28 04:31:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-28 04:31:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:31:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:31:25,152 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:31:25,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:31:25,815 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:31:30,270 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:31:30,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:31:30,286 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:31:30,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:31:30 BoogieIcfgContainer [2021-12-28 04:31:30,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:31:30,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:31:30,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:31:30,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:31:30,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:31:22" (1/3) ... [2021-12-28 04:31:30,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781d325f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:31:30, skipping insertion in model container [2021-12-28 04:31:30,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:31:24" (2/3) ... [2021-12-28 04:31:30,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781d325f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:31:30, skipping insertion in model container [2021-12-28 04:31:30,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:31:30" (3/3) ... [2021-12-28 04:31:30,297 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 [2021-12-28 04:31:30,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:31:30,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:31:30,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:31:30,345 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 [2021-12-28 04:31:30,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:31:30,379 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) [2021-12-28 04:31:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-28 04:31:30,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:31:30,404 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] [2021-12-28 04:31:30,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:31:30,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:31:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1116351234, now seen corresponding path program 1 times [2021-12-28 04:31:30,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:31:30,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138136681] [2021-12-28 04:31:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:31:30,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms