./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.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 d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:48:55,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:48:55,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:48:55,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:48:55,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:48:55,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:48:55,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:48:55,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:48:55,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:48:55,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:48:55,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:48:55,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:48:55,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:48:55,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:48:55,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:48:55,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:48:55,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:48:55,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:48:55,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:48:55,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:48:55,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:48:55,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:48:55,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:48:55,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:48:56,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:48:56,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:48:56,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:48:56,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:48:56,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:48:56,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:48:56,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:48:56,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:48:56,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:48:56,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:48:56,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:48:56,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:48:56,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:48:56,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:48:56,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:48:56,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:48:56,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:48:56,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:48:56,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:48:56,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:48:56,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:48:56,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:48:56,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:48:56,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:48:56,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:48:56,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:48:56,057 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:48:56,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:48:56,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:48:56,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:48:56,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:48:56,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:48:56,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:48:56,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:48:56,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:48:56,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:48:56,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:48:56,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:48:56,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:48:56,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:48:56,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:48:56,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:48:56,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:48:56,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 [2021-12-28 04:48:56,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:48:56,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:48:56,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:48:56,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:48:56,407 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:48:56,408 INFO L432 ainManager$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-dlink-sundance.cil.i [2021-12-28 04:48:56,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6aecf56/455d59a11416479eb04d6b561322bdab/FLAG07d1adff4 [2021-12-28 04:48:57,307 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:48:57,308 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-dlink-sundance.cil.i [2021-12-28 04:48:57,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6aecf56/455d59a11416479eb04d6b561322bdab/FLAG07d1adff4 [2021-12-28 04:48:57,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6aecf56/455d59a11416479eb04d6b561322bdab [2021-12-28 04:48:57,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:48:57,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:48:57,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:48:57,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:48:57,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:48:57,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:57" (1/1) ... [2021-12-28 04:48:57,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1f66df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:57, skipping insertion in model container [2021-12-28 04:48:57,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:57" (1/1) ... [2021-12-28 04:48:57,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:48:57,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:49:00,272 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2021-12-28 04:49:00,275 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2021-12-28 04:49:00,276 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2021-12-28 04:49:00,276 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2021-12-28 04:49:00,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:49:00,420 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:49:00,788 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2021-12-28 04:49:00,790 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2021-12-28 04:49:00,790 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2021-12-28 04:49:00,790 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2021-12-28 04:49:00,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:49:01,126 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:49:01,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01 WrapperNode [2021-12-28 04:49:01,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:49:01,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:49:01,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:49:01,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:49:01,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,441 INFO L137 Inliner]: procedures = 470, calls = 2162, calls flagged for inlining = 234, calls inlined = 217, statements flattened = 5446 [2021-12-28 04:49:01,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:49:01,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:49:01,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:49:01,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:49:01,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:49:01,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:49:01,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:49:01,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:49:01,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (1/1) ... [2021-12-28 04:49:01,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:49:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:49:01,740 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) [2021-12-28 04:49:01,764 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 [2021-12-28 04:49:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2021-12-28 04:49:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2021-12-28 04:49:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-28 04:49:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-28 04:49:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:49:01,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:49:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:49:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:49:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:49:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:49:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:49:01,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:49:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:49:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:49:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:49:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:49:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:49:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:49:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 04:49:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 04:49:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-28 04:49:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-28 04:49:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx [2021-12-28 04:49:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx [2021-12-28 04:49:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2021-12-28 04:49:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2021-12-28 04:49:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_76 [2021-12-28 04:49:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_76 [2021-12-28 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:49:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:49:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:49:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:49:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:49:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:49:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:49:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:49:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:49:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_69 [2021-12-28 04:49:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_69 [2021-12-28 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:49:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:49:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 04:49:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:49:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:49:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure check_duplex [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure check_duplex [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_resume [2021-12-28 04:49:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_resume [2021-12-28 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:49:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 04:49:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:49:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-28 04:49:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-28 04:49:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:49:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure __set_mac_addr [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_mac_addr [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:49:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2021-12-28 04:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-28 04:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2021-12-28 04:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2021-12-28 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_poll_controller [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_poll_controller [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 04:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_75 [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_75 [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:49:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:49:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:49:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-28 04:49:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-28 04:49:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:49:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:49:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:49:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:49:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-28 04:49:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-28 04:49:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-28 04:49:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-28 04:49:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_reset [2021-12-28 04:49:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_reset [2021-12-28 04:49:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:49:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:49:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:49:01,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:49:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:49:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:49:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:49:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_remove1 [2021-12-28 04:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_remove1 [2021-12-28 04:49:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_70 [2021-12-28 04:49:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_70 [2021-12-28 04:49:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:49:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:49:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:49:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:49:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:49:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-28 04:49:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-28 04:49:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:49:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:49:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:49:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:49:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:49:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:49:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-28 04:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-28 04:49:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:49:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:49:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:49:02,663 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:49:02,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:49:03,149 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:49:54,759 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:49:54,863 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:49:54,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:49:54,888 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 04:49:54,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:49:54 BoogieIcfgContainer [2021-12-28 04:49:54,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:49:54,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:49:54,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:49:54,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:49:54,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:48:57" (1/3) ... [2021-12-28 04:49:54,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241a2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:49:54, skipping insertion in model container [2021-12-28 04:49:54,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:01" (2/3) ... [2021-12-28 04:49:54,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241a2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:49:54, skipping insertion in model container [2021-12-28 04:49:54,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:49:54" (3/3) ... [2021-12-28 04:49:54,901 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2021-12-28 04:49:54,905 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:49:54,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:49:54,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:49:54,963 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 [2021-12-28 04:49:54,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:49:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 1917 states, 1307 states have (on average 1.2685539403213466) internal successors, (1658), 1345 states have internal predecessors, (1658), 511 states have call successors, (511), 101 states have call predecessors, (511), 100 states have return successors, (505), 498 states have call predecessors, (505), 505 states have call successors, (505) [2021-12-28 04:49:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 04:49:55,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:55,046 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:49:55,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:49:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1904040031, now seen corresponding path program 1 times [2021-12-28 04:49:55,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:55,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641740158] [2021-12-28 04:49:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:55,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:49:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:49:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:49:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:49:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 04:49:56,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:56,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641740158] [2021-12-28 04:49:56,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641740158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:56,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:56,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:49:56,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096125840] [2021-12-28 04:49:56,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:56,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:49:56,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:56,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:49:56,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:49:56,524 INFO L87 Difference]: Start difference. First operand has 1917 states, 1307 states have (on average 1.2685539403213466) internal successors, (1658), 1345 states have internal predecessors, (1658), 511 states have call successors, (511), 101 states have call predecessors, (511), 100 states have return successors, (505), 498 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-28 04:49:58,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:00,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []