./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 ff03de63 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-ff03de6 [2021-12-21 16:46:33,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:46:33,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:46:33,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:46:33,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:46:33,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:46:33,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:46:33,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:46:33,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:46:33,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:46:33,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:46:33,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:46:33,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:46:33,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:46:33,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:46:33,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:46:33,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:46:33,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:46:33,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:46:33,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:46:33,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:46:33,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:46:33,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:46:33,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:46:33,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:46:33,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:46:33,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:46:33,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:46:33,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:46:33,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:46:33,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:46:33,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:46:33,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:46:33,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:46:33,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:46:33,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:46:33,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:46:33,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:46:33,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:46:33,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:46:33,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:46:33,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:46:33,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:46:33,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:46:33,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:46:33,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:46:33,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:46:33,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:46:33,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:46:33,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:46:33,350 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:46:33,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:46:33,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:46:33,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:46:33,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:46:33,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:46:33,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:46:33,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:46:33,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:46:33,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:46:33,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:46:33,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:46:33,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:46:33,354 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:46:33,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:46:33,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:46:33,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:46:33,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-12-21 16:46:33,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:46:33,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:46:33,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:46:33,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:46:33,540 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:46:33,541 INFO L432 ainManager$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 [2021-12-21 16:46:33,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041d19234/a11c81cf1f29436a8337730ab392a901/FLAG664f4ac4a [2021-12-21 16:46:34,236 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:46:34,237 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 [2021-12-21 16:46:34,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041d19234/a11c81cf1f29436a8337730ab392a901/FLAG664f4ac4a [2021-12-21 16:46:34,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041d19234/a11c81cf1f29436a8337730ab392a901 [2021-12-21 16:46:34,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:46:34,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:46:34,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:46:34,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:46:34,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:46:34,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:46:34" (1/1) ... [2021-12-21 16:46:34,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4496686e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:34, skipping insertion in model container [2021-12-21 16:46:34,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:46:34" (1/1) ... [2021-12-21 16:46:34,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:46:34,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:46:35,644 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] [2021-12-21 16:46:35,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:46:35,750 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:46:36,005 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] [2021-12-21 16:46:36,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:46:36,123 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:46:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36 WrapperNode [2021-12-21 16:46:36,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:46:36,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:46:36,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:46:36,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:46:36,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,338 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-12-21 16:46:36,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:46:36,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:46:36,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:46:36,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:46:36,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:46:36,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:46:36,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:46:36,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:46:36,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (1/1) ... [2021-12-21 16:46:36,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:46:36,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:46:36,618 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) [2021-12-21 16:46:36,639 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 [2021-12-21 16:46:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-12-21 16:46:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-12-21 16:46:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-21 16:46:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-21 16:46:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:46:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:46:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-12-21 16:46:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-12-21 16:46:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:46:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:46:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-12-21 16:46:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-12-21 16:46:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-21 16:46:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-21 16:46:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:46:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:46:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-12-21 16:46:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-12-21 16:46:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:46:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:46:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:46:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:46:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-12-21 16:46:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-12-21 16:46:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-21 16:46:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-21 16:46:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-12-21 16:46:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-12-21 16:46:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:46:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:46:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:46:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:46:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:46:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:46:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:46:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:46:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-12-21 16:46:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-12-21 16:46:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-21 16:46:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-21 16:46:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:46:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:46:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:46:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-21 16:46:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-21 16:46:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:46:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:46:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-21 16:46:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-21 16:46:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:46:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-21 16:46:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-21 16:46:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:46:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:46:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-12-21 16:46:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-12-21 16:46:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-12-21 16:46:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-12-21 16:46:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:46:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:46:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:46:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:46:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:46:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:46:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:46:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:46:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-12-21 16:46:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-12-21 16:46:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-12-21 16:46:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-12-21 16:46:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-21 16:46:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-21 16:46:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-21 16:46:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-21 16:46:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:46:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:46:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:46:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:46:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:46:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:46:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-21 16:46:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-21 16:46:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-21 16:46:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-21 16:46:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:46:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-21 16:46:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-21 16:46:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:46:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:46:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:46:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:46:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:46:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:46:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-21 16:46:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-21 16:46:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-12-21 16:46:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-12-21 16:46:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:46:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-21 16:46:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-21 16:46:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-12-21 16:46:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-12-21 16:46:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-12-21 16:46:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-12-21 16:46:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:46:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:46:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:46:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:46:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:46:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:46:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:46:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-21 16:46:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-21 16:46:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:46:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:46:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:46:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:46:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-12-21 16:46:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-12-21 16:46:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-12-21 16:46:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-12-21 16:46:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-12-21 16:46:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-12-21 16:46:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:46:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:46:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-12-21 16:46:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-12-21 16:46:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-21 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-21 16:46:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-21 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-21 16:46:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 16:46:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-21 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-21 16:46:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-21 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-21 16:46:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:46:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:46:37,088 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:46:37,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:46:37,668 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:46:42,282 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:46:42,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:46:42,293 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:46:42,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:46:42 BoogieIcfgContainer [2021-12-21 16:46:42,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:46:42,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:46:42,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:46:42,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:46:42,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:46:34" (1/3) ... [2021-12-21 16:46:42,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28da9d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:46:42, skipping insertion in model container [2021-12-21 16:46:42,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:46:36" (2/3) ... [2021-12-21 16:46:42,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28da9d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:46:42, skipping insertion in model container [2021-12-21 16:46:42,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:46:42" (3/3) ... [2021-12-21 16:46:42,302 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 [2021-12-21 16:46:42,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:46:42,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:46:42,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:46:42,349 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 [2021-12-21 16:46:42,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:46:42,378 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) [2021-12-21 16:46:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-21 16:46:42,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:46:42,416 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] [2021-12-21 16:46:42,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:46:42,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:46:42,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1116351234, now seen corresponding path program 1 times [2021-12-21 16:46:42,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:46:42,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730160684] [2021-12-21 16:46:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:46:42,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms