/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--dvb-usb--dvb-usb-cxusb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:59:18,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:59:18,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:59:18,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:59:18,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:59:18,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:59:18,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:59:18,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:59:18,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:59:18,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:59:18,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:59:18,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:59:18,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:59:18,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:59:18,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:59:18,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:59:18,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:59:18,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:59:18,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:59:18,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:59:18,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:59:18,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:59:18,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:59:18,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:59:18,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:59:18,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:59:18,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:59:18,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:59:18,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:59:18,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:59:18,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:59:18,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:59:18,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:59:18,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:59:18,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:59:18,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:59:18,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:59:18,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:59:18,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:59:18,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:59:18,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:59:18,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:59:18,315 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:59:18,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:59:18,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:59:18,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:59:18,321 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:59:18,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:59:18,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:59:18,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:59:18,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:59:18,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:59:18,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:59:18,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:59:18,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:59:18,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:59:18,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:59:18,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:59:18,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:59:18,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:59:18,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:59:18,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:59:18,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:59:18,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:59:18,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:59:18,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:59:18,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:59:18,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:59:18,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:59:18,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:59:18,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:59:18,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:59:18,734 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:59:18,735 INFO L432 ainManager$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-08_1a-drivers--media--usb--dvb-usb--dvb-usb-cxusb.ko-entry_point.cil.out.i [2020-12-22 13:59:18,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff1b5315/75a57abf051142adaba9038e277aa5cb/FLAG2731dfa66 [2020-12-22 13:59:20,056 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:59:20,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--dvb-usb--dvb-usb-cxusb.ko-entry_point.cil.out.i [2020-12-22 13:59:20,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff1b5315/75a57abf051142adaba9038e277aa5cb/FLAG2731dfa66 [2020-12-22 13:59:20,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff1b5315/75a57abf051142adaba9038e277aa5cb [2020-12-22 13:59:20,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:59:20,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:59:20,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:59:20,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:59:20,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:59:20,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:59:20" (1/1) ... [2020-12-22 13:59:20,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daea32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:20, skipping insertion in model container [2020-12-22 13:59:20,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:59:20" (1/1) ... [2020-12-22 13:59:20,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:59:20,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:59:22,547 WARN L226 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-08_1a-drivers--media--usb--dvb-usb--dvb-usb-cxusb.ko-entry_point.cil.out.i[345671,345684] [2020-12-22 13:59:22,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:59:22,817 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:59:23,521 WARN L226 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-08_1a-drivers--media--usb--dvb-usb--dvb-usb-cxusb.ko-entry_point.cil.out.i[345671,345684] [2020-12-22 13:59:23,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:59:24,243 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:59:24,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24 WrapperNode [2020-12-22 13:59:24,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:59:24,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:59:24,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:59:24,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:59:24,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:24,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:25,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:59:25,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:59:25,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:59:25,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:59:25,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:25,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:25,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:25,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:26,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:26,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:27,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... [2020-12-22 13:59:27,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:59:27,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:59:27,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:59:27,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:59:27,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:59:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:59:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 13:59:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 13:59:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 13:59:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:59:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:59:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:59:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:59:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:59:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:59:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:59:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:59:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:59:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 13:59:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:59:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start