./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 e19ca921 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-e19ca92 [2021-12-22 15:13:17,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:13:17,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:13:17,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:13:17,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:13:17,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:13:17,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:13:17,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:13:17,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:13:17,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:13:17,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:13:17,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:13:17,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:13:17,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:13:17,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:13:17,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:13:17,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:13:17,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:13:17,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:13:17,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:13:17,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:13:17,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:13:17,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:13:17,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:13:17,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:13:17,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:13:17,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:13:17,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:13:17,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:13:17,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:13:17,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:13:17,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:13:17,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:13:17,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:13:17,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:13:17,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:13:17,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:13:17,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:13:17,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:13:17,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:13:17,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:13:17,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:13:18,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:13:18,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:13:18,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:13:18,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:13:18,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:13:18,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:13:18,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:13:18,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:13:18,010 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:13:18,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:13:18,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:13:18,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:13:18,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:13:18,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:13:18,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:13:18,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:13:18,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:13:18,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:13:18,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:13:18,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:13:18,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:13:18,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:13:18,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:13:18,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:13:18,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:13:18,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:13:18,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:13:18,014 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:13:18,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:13:18,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:13:18,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:13:18,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-12-22 15:13:18,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:13:18,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:13:18,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:13:18,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:13:18,287 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:13:18,288 INFO L432 ainManager$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 [2021-12-22 15:13:18,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786c3674/a552e43e0e6b46e1bb5f31593362b6f2/FLAG7e307af4c [2021-12-22 15:13:19,147 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:13:19,148 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 [2021-12-22 15:13:19,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786c3674/a552e43e0e6b46e1bb5f31593362b6f2/FLAG7e307af4c [2021-12-22 15:13:19,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a786c3674/a552e43e0e6b46e1bb5f31593362b6f2 [2021-12-22 15:13:19,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:13:19,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:13:19,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:13:19,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:13:19,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:13:19,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:13:19" (1/1) ... [2021-12-22 15:13:19,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d010e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:19, skipping insertion in model container [2021-12-22 15:13:19,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:13:19" (1/1) ... [2021-12-22 15:13:19,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:13:19,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:13:21,018 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] [2021-12-22 15:13:21,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:13:21,144 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:13:21,478 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] [2021-12-22 15:13:21,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:13:21,646 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:13:21,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21 WrapperNode [2021-12-22 15:13:21,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:13:21,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:13:21,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:13:21,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:13:21,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:21,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:21,904 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-12-22 15:13:21,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:13:21,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:13:21,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:13:21,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:13:21,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:21,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:21,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:21,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:22,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:22,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:22,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:22,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:13:22,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:13:22,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:13:22,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:13:22,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (1/1) ... [2021-12-22 15:13:22,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:13:22,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:13:22,196 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) [2021-12-22 15:13:22,222 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 [2021-12-22 15:13:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-12-22 15:13:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-12-22 15:13:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-22 15:13:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-22 15:13:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:13:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:13:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-12-22 15:13:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-12-22 15:13:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:13:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:13:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-12-22 15:13:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-12-22 15:13:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 15:13:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 15:13:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:13:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:13:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-12-22 15:13:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-12-22 15:13:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:13:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:13:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:13:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:13:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-12-22 15:13:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-12-22 15:13:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:13:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:13:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-12-22 15:13:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-12-22 15:13:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:13:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:13:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:13:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:13:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:13:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:13:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:13:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:13:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-12-22 15:13:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-12-22 15:13:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-22 15:13:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-22 15:13:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:13:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:13:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:13:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:13:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:13:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:13:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:13:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-22 15:13:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-22 15:13:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:13:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:13:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:13:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:13:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:13:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-12-22 15:13:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-12-22 15:13:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-12-22 15:13:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-12-22 15:13:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:13:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:13:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:13:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:13:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:13:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:13:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:13:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:13:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-12-22 15:13:22,250 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-12-22 15:13:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-12-22 15:13:22,250 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-12-22 15:13:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-22 15:13:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-22 15:13:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:13:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:13:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:13:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:13:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 15:13:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 15:13:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:13:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:13:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:13:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:13:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-22 15:13:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-22 15:13:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:13:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:13:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:13:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:13:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:13:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:13:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:13:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:13:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:13:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-22 15:13:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-22 15:13:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-12-22 15:13:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-12-22 15:13:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:13:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-22 15:13:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-22 15:13:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-12-22 15:13:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-12-22 15:13:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-12-22 15:13:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-12-22 15:13:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:13:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:13:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:13:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:13:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:13:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:13:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:13:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-22 15:13:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-22 15:13:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:13:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:13:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:13:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:13:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-12-22 15:13:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-12-22 15:13:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-12-22 15:13:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-12-22 15:13:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-12-22 15:13:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-12-22 15:13:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 15:13:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 15:13:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-12-22 15:13:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-12-22 15:13:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:13:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 15:13:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 15:13:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-22 15:13:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-22 15:13:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:13:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:13:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:13:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:13:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 15:13:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 15:13:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:13:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:13:22,954 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:13:22,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:13:23,801 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:13:28,942 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:13:28,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:13:28,966 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:13:28,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:13:28 BoogieIcfgContainer [2021-12-22 15:13:28,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:13:28,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:13:28,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:13:28,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:13:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:13:19" (1/3) ... [2021-12-22 15:13:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bfd89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:13:28, skipping insertion in model container [2021-12-22 15:13:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:13:21" (2/3) ... [2021-12-22 15:13:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bfd89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:13:28, skipping insertion in model container [2021-12-22 15:13:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:13:28" (3/3) ... [2021-12-22 15:13:28,979 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 [2021-12-22 15:13:28,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:13:28,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:13:29,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:13:29,044 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 [2021-12-22 15:13:29,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:13:29,083 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) [2021-12-22 15:13:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-22 15:13:29,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:13:29,119 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] [2021-12-22 15:13:29,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:13:29,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:13:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1116351234, now seen corresponding path program 1 times [2021-12-22 15:13:29,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:13:29,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070515506] [2021-12-22 15:13:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:13:29,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms