./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 -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-03d7b7b [2022-02-20 22:29:27,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 22:29:27,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 22:29:27,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 22:29:27,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 22:29:27,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 22:29:27,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 22:29:28,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 22:29:28,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 22:29:28,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 22:29:28,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 22:29:28,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 22:29:28,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 22:29:28,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 22:29:28,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 22:29:28,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 22:29:28,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 22:29:28,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 22:29:28,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 22:29:28,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 22:29:28,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 22:29:28,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 22:29:28,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 22:29:28,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 22:29:28,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 22:29:28,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 22:29:28,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 22:29:28,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 22:29:28,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 22:29:28,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 22:29:28,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 22:29:28,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 22:29:28,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 22:29:28,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 22:29:28,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 22:29:28,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 22:29:28,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 22:29:28,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 22:29:28,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 22:29:28,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 22:29:28,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 22:29:28,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 22:29:28,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 22:29:28,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 22:29:28,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 22:29:28,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 22:29:28,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 22:29:28,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 22:29:28,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 22:29:28,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 22:29:28,059 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 22:29:28,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 22:29:28,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 22:29:28,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 22:29:28,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 22:29:28,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 22:29:28,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 22:29:28,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 22:29:28,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 22:29:28,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 22:29:28,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 22:29:28,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 22:29:28,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 22:29:28,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 22:29:28,062 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 22:29:28,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 22:29:28,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 22:29:28,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2022-02-20 22:29:28,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 22:29:28,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 22:29:28,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 22:29:28,263 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 22:29:28,263 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 22:29:28,264 INFO L432 ainManager$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 [2022-02-20 22:29:28,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c15cd60/5b70dcb2d690467f8169675335443473/FLAGe34330f4d [2022-02-20 22:29:28,959 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 22:29:28,959 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 [2022-02-20 22:29:29,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c15cd60/5b70dcb2d690467f8169675335443473/FLAGe34330f4d [2022-02-20 22:29:29,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c15cd60/5b70dcb2d690467f8169675335443473 [2022-02-20 22:29:29,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 22:29:29,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 22:29:29,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 22:29:29,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 22:29:29,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 22:29:29,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 10:29:29" (1/1) ... [2022-02-20 22:29:29,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c6342e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:29, skipping insertion in model container [2022-02-20 22:29:29,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 10:29:29" (1/1) ... [2022-02-20 22:29:29,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 22:29:29,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 22:29:30,357 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] [2022-02-20 22:29:30,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 22:29:30,453 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 22:29:30,691 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] [2022-02-20 22:29:30,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 22:29:30,829 INFO L208 MainTranslator]: Completed translation [2022-02-20 22:29:30,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30 WrapperNode [2022-02-20 22:29:30,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 22:29:30,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 22:29:30,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 22:29:30,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 22:29:30,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:30,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,093 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5154 [2022-02-20 22:29:31,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 22:29:31,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 22:29:31,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 22:29:31,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 22:29:31,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 22:29:31,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 22:29:31,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 22:29:31,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 22:29:31,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (1/1) ... [2022-02-20 22:29:31,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 22:29:31,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 22:29:31,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 22:29:31,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 22:29:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2022-02-20 22:29:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2022-02-20 22:29:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-02-20 22:29:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-02-20 22:29:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-02-20 22:29:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-02-20 22:29:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2022-02-20 22:29:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2022-02-20 22:29:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-20 22:29:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-20 22:29:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2022-02-20 22:29:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2022-02-20 22:29:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-02-20 22:29:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-02-20 22:29:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-02-20 22:29:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-02-20 22:29:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2022-02-20 22:29:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2022-02-20 22:29:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-02-20 22:29:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-02-20 22:29:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-02-20 22:29:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-02-20 22:29:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2022-02-20 22:29:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2022-02-20 22:29:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-02-20 22:29:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-02-20 22:29:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2022-02-20 22:29:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2022-02-20 22:29:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-02-20 22:29:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-02-20 22:29:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-20 22:29:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-20 22:29:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 22:29:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 22:29:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-02-20 22:29:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-02-20 22:29:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2022-02-20 22:29:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2022-02-20 22:29:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-02-20 22:29:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-02-20 22:29:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-02-20 22:29:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-02-20 22:29:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 22:29:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-02-20 22:29:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-02-20 22:29:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-02-20 22:29:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-02-20 22:29:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-02-20 22:29:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-02-20 22:29:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 22:29:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 22:29:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 22:29:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-02-20 22:29:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-02-20 22:29:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2022-02-20 22:29:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2022-02-20 22:29:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2022-02-20 22:29:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-02-20 22:29:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-02-20 22:29:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 22:29:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 22:29:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2022-02-20 22:29:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2022-02-20 22:29:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2022-02-20 22:29:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2022-02-20 22:29:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 22:29:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 22:29:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-02-20 22:29:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-02-20 22:29:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-02-20 22:29:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-02-20 22:29:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 22:29:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 22:29:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-02-20 22:29:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-02-20 22:29:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-02-20 22:29:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-02-20 22:29:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-02-20 22:29:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-02-20 22:29:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 22:29:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-02-20 22:29:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-02-20 22:29:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-02-20 22:29:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-02-20 22:29:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-02-20 22:29:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-02-20 22:29:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-02-20 22:29:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-02-20 22:29:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-02-20 22:29:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-02-20 22:29:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2022-02-20 22:29:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2022-02-20 22:29:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 22:29:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-02-20 22:29:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-02-20 22:29:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-02-20 22:29:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-02-20 22:29:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2022-02-20 22:29:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2022-02-20 22:29:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-02-20 22:29:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-02-20 22:29:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-02-20 22:29:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-02-20 22:29:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 22:29:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-02-20 22:29:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-02-20 22:29:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-02-20 22:29:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-02-20 22:29:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 22:29:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-02-20 22:29:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-02-20 22:29:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 22:29:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-02-20 22:29:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-02-20 22:29:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2022-02-20 22:29:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2022-02-20 22:29:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2022-02-20 22:29:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2022-02-20 22:29:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-02-20 22:29:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-02-20 22:29:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2022-02-20 22:29:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2022-02-20 22:29:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 22:29:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-02-20 22:29:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-02-20 22:29:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-02-20 22:29:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-02-20 22:29:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-02-20 22:29:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-02-20 22:29:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-02-20 22:29:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-02-20 22:29:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-02-20 22:29:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-02-20 22:29:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 22:29:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 22:29:32,009 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 22:29:32,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 22:29:33,114 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-02-20 22:29:38,210 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 22:29:38,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 22:29:38,225 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 22:29:38,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:29:38 BoogieIcfgContainer [2022-02-20 22:29:38,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 22:29:38,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 22:29:38,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 22:29:38,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 22:29:38,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 10:29:29" (1/3) ... [2022-02-20 22:29:38,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4342ab29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 10:29:38, skipping insertion in model container [2022-02-20 22:29:38,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 10:29:30" (2/3) ... [2022-02-20 22:29:38,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4342ab29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 10:29:38, skipping insertion in model container [2022-02-20 22:29:38,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:29:38" (3/3) ... [2022-02-20 22:29:38,233 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 [2022-02-20 22:29:38,237 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 22:29:38,237 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 22:29:38,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 22:29:38,290 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 [2022-02-20 22:29:38,290 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 22:29:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 1538 states, 1055 states have (on average 1.3829383886255924) internal successors, (1459), 1088 states have internal predecessors, (1459), 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) [2022-02-20 22:29:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-02-20 22:29:38,388 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 22:29:38,390 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, 1, 1, 1, 1] [2022-02-20 22:29:38,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 22:29:38,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 22:29:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash -440712088, now seen corresponding path program 1 times [2022-02-20 22:29:38,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 22:29:38,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978757611] [2022-02-20 22:29:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 22:29:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms