/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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:01:35,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:01:35,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:01:35,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:01:35,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:01:35,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:01:35,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:01:35,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:01:35,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:01:35,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:01:35,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:01:35,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:01:35,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:01:35,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:01:35,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:01:35,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:01:35,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:01:35,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:01:35,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:01:35,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:01:35,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:01:35,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:01:35,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:01:35,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:01:35,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:01:35,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:01:35,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:01:35,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:01:35,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:01:35,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:01:35,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:01:35,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:01:35,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:01:35,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:01:35,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:01:35,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:01:35,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:01:35,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:01:35,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:01:35,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:01:35,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:01:35,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:01:35,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:01:35,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:01:35,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:01:35,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:01:35,533 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:01:35,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:01:35,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:01:35,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:01:35,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:01:35,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:01:35,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:01:35,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:01:35,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:01:35,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:01:35,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:01:35,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:01:35,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:01:35,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:01:35,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:01:35,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:01:35,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:01:35,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:01:35,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:01:35,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:01:35,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:01:35,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:01:35,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:01:35,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:01:35,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:01:35,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:01:35,944 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:01:35,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2020-12-22 16:01:36,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74517a53/51996495b3cf4b368f71941d5aaa07aa/FLAG1f742e785 [2020-12-22 16:01:37,242 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:01:37,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2020-12-22 16:01:37,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74517a53/51996495b3cf4b368f71941d5aaa07aa/FLAG1f742e785 [2020-12-22 16:01:37,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74517a53/51996495b3cf4b368f71941d5aaa07aa [2020-12-22 16:01:37,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:01:37,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:01:37,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:01:37,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:01:37,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:01:37,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:01:37" (1/1) ... [2020-12-22 16:01:37,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12530fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:37, skipping insertion in model container [2020-12-22 16:01:37,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:01:37" (1/1) ... [2020-12-22 16:01:37,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:01:37,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:01:43,480 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2020-12-22 16:01:43,484 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2020-12-22 16:01:43,485 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2020-12-22 16:01:43,485 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2020-12-22 16:01:43,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:01:43,549 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:01:44,202 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464820,464833] [2020-12-22 16:01:44,203 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2020-12-22 16:01:44,204 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2020-12-22 16:01:44,204 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2020-12-22 16:01:44,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:01:45,674 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:01:45,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45 WrapperNode [2020-12-22 16:01:45,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:01:45,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:01:45,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:01:45,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:01:45,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:01:45,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:10,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:02:11,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:02:11,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:02:11,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:02:11,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:11,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:13,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:13,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:19,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:20,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:21,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (1/1) ... [2020-12-22 16:02:24,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:02:24,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:02:24,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:02:24,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:02:24,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:45" (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 16:02:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-12-22 16:02:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:02:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2020-12-22 16:02:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:02:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:02:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:02:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:02:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:02:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:02:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:02:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:02:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:02:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:02:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:02:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:02:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:02:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int