./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 08:41:28,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 08:41:28,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 08:41:28,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 08:41:28,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 08:41:28,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 08:41:28,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 08:41:28,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 08:41:28,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 08:41:28,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 08:41:28,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 08:41:28,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 08:41:28,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 08:41:28,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 08:41:28,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 08:41:28,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 08:41:28,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 08:41:28,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 08:41:28,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 08:41:28,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 08:41:28,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 08:41:28,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 08:41:28,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 08:41:28,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 08:41:28,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 08:41:28,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 08:41:28,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 08:41:28,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 08:41:28,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 08:41:28,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 08:41:28,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 08:41:28,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 08:41:28,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 08:41:28,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 08:41:28,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 08:41:28,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 08:41:28,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 08:41:28,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 08:41:28,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 08:41:28,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 08:41:28,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 08:41:28,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 08:41:28,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 08:41:28,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 08:41:28,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 08:41:28,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 08:41:28,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 08:41:28,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 08:41:28,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 08:41:28,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 08:41:28,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 08:41:28,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 08:41:28,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 08:41:28,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 08:41:28,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 08:41:28,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 08:41:28,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 08:41:28,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:41:28,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 08:41:28,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 08:41:28,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 08:41:28,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-12-18 08:41:28,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 08:41:28,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 08:41:28,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 08:41:28,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 08:41:28,334 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 08:41:28,335 INFO L432 ainManager$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 [2021-12-18 08:41:28,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd70255d/1f12efa237644d029f49076bf32ad7cf/FLAGe757ca2be [2021-12-18 08:41:28,965 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 08:41:28,966 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 [2021-12-18 08:41:29,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd70255d/1f12efa237644d029f49076bf32ad7cf/FLAGe757ca2be [2021-12-18 08:41:29,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd70255d/1f12efa237644d029f49076bf32ad7cf [2021-12-18 08:41:29,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 08:41:29,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 08:41:29,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 08:41:29,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 08:41:29,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 08:41:29,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:41:29" (1/1) ... [2021-12-18 08:41:29,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d9bada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:29, skipping insertion in model container [2021-12-18 08:41:29,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:41:29" (1/1) ... [2021-12-18 08:41:29,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 08:41:29,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 08:41:30,407 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] [2021-12-18 08:41:30,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:41:30,479 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 08:41:30,730 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] [2021-12-18 08:41:30,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:41:30,877 INFO L208 MainTranslator]: Completed translation [2021-12-18 08:41:30,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30 WrapperNode [2021-12-18 08:41:30,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 08:41:30,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 08:41:30,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 08:41:30,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 08:41:30,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:30,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,081 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-12-18 08:41:31,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 08:41:31,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 08:41:31,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 08:41:31,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 08:41:31,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 08:41:31,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 08:41:31,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 08:41:31,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 08:41:31,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (1/1) ... [2021-12-18 08:41:31,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:41:31,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:41:31,324 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) [2021-12-18 08:41:31,336 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 [2021-12-18 08:41:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-12-18 08:41:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-12-18 08:41:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-18 08:41:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-18 08:41:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 08:41:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 08:41:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-12-18 08:41:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-12-18 08:41:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 08:41:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 08:41:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-12-18 08:41:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-12-18 08:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-18 08:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-18 08:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 08:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 08:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-12-18 08:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-12-18 08:41:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 08:41:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 08:41:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 08:41:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 08:41:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-12-18 08:41:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-12-18 08:41:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 08:41:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 08:41:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-12-18 08:41:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-12-18 08:41:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 08:41:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 08:41:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 08:41:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 08:41:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 08:41:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 08:41:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 08:41:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 08:41:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-12-18 08:41:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-18 08:41:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 08:41:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 08:41:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 08:41:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 08:41:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-18 08:41:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-18 08:41:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 08:41:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 08:41:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 08:41:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 08:41:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 08:41:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-12-18 08:41:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-12-18 08:41:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-12-18 08:41:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-12-18 08:41:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 08:41:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 08:41:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 08:41:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 08:41:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-12-18 08:41:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-12-18 08:41:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-12-18 08:41:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-18 08:41:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-18 08:41:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-18 08:41:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-18 08:41:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 08:41:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 08:41:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 08:41:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 08:41:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 08:41:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 08:41:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 08:41:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 08:41:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-18 08:41:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-18 08:41:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 08:41:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-18 08:41:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-18 08:41:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 08:41:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 08:41:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 08:41:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-18 08:41:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-12-18 08:41:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 08:41:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-18 08:41:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-18 08:41:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-12-18 08:41:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-12-18 08:41:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-12-18 08:41:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-12-18 08:41:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 08:41:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 08:41:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 08:41:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 08:41:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-18 08:41:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 08:41:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 08:41:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 08:41:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-12-18 08:41:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-12-18 08:41:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-12-18 08:41:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-12-18 08:41:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-12-18 08:41:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-12-18 08:41:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 08:41:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 08:41:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-12-18 08:41:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-12-18 08:41:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 08:41:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 08:41:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 08:41:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-18 08:41:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-18 08:41:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 08:41:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 08:41:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-18 08:41:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-18 08:41:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-18 08:41:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-18 08:41:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 08:41:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 08:41:31,801 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 08:41:31,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 08:41:32,408 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 08:41:36,634 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 08:41:36,644 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 08:41:36,644 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 08:41:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:41:36 BoogieIcfgContainer [2021-12-18 08:41:36,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 08:41:36,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 08:41:36,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 08:41:36,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 08:41:36,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:41:29" (1/3) ... [2021-12-18 08:41:36,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266a549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:41:36, skipping insertion in model container [2021-12-18 08:41:36,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:41:30" (2/3) ... [2021-12-18 08:41:36,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266a549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:41:36, skipping insertion in model container [2021-12-18 08:41:36,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:41:36" (3/3) ... [2021-12-18 08:41:36,653 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 [2021-12-18 08:41:36,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 08:41:36,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 08:41:36,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 08:41:36,711 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 [2021-12-18 08:41:36,711 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 08:41:36,748 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) [2021-12-18 08:41:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-18 08:41:36,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:41:36,783 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] [2021-12-18 08:41:36,784 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:41:36,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:41:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1116351234, now seen corresponding path program 1 times [2021-12-18 08:41:36,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:41:36,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101339191] [2021-12-18 08:41:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:41:36,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms