./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-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-realtek-8139cp.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 bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:32:05,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:32:05,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:32:05,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:32:05,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:32:05,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:32:05,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:32:05,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:32:05,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:32:05,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:32:05,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:32:05,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:32:05,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:32:05,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:32:05,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:32:05,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:32:05,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:32:05,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:32:05,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:32:05,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:32:05,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:32:05,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:32:05,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:32:05,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:32:05,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:32:05,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:32:05,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:32:05,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:32:05,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:32:05,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:32:05,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:32:05,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:32:05,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:32:05,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:32:05,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:32:05,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:32:05,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:32:05,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:32:05,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:32:05,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:32:05,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:32:05,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:32:05,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:32:05,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:32:05,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:32:05,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:32:05,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:32:05,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:32:05,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:32:05,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:32:05,365 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:32:05,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:32:05,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:32:05,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:32:05,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:32:05,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:32:05,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:32:05,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:32:05,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:32:05,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:32:05,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:32:05,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:32:05,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:32:05,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2021-12-22 15:32:05,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:32:05,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:32:05,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:32:05,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:32:05,631 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:32:05,633 INFO L432 ainManager$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-realtek-8139cp.cil.i [2021-12-22 15:32:05,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafe7f82f/458008cfa7a54176b77f22053332a36d/FLAG04d92f675 [2021-12-22 15:32:06,309 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:32:06,310 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-realtek-8139cp.cil.i [2021-12-22 15:32:06,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafe7f82f/458008cfa7a54176b77f22053332a36d/FLAG04d92f675 [2021-12-22 15:32:06,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafe7f82f/458008cfa7a54176b77f22053332a36d [2021-12-22 15:32:06,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:32:06,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:32:06,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:32:06,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:32:06,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:32:06,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:32:06" (1/1) ... [2021-12-22 15:32:06,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3066cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:06, skipping insertion in model container [2021-12-22 15:32:06,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:32:06" (1/1) ... [2021-12-22 15:32:06,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:32:06,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:32:09,262 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-realtek-8139cp.cil.i[387186,387199] [2021-12-22 15:32:09,265 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-realtek-8139cp.cil.i[387355,387368] [2021-12-22 15:32:09,266 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-realtek-8139cp.cil.i[387522,387535] [2021-12-22 15:32:09,267 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-realtek-8139cp.cil.i[387690,387703] [2021-12-22 15:32:09,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:32:09,345 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:32:09,589 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-realtek-8139cp.cil.i[387186,387199] [2021-12-22 15:32:09,590 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-realtek-8139cp.cil.i[387355,387368] [2021-12-22 15:32:09,590 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-realtek-8139cp.cil.i[387522,387535] [2021-12-22 15:32:09,591 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-realtek-8139cp.cil.i[387690,387703] [2021-12-22 15:32:09,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:32:09,752 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:32:09,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09 WrapperNode [2021-12-22 15:32:09,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:32:09,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:32:09,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:32:09,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:32:09,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:09,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,015 INFO L137 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5583 [2021-12-22 15:32:10,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:32:10,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:32:10,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:32:10,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:32:10,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:32:10,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:32:10,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:32:10,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:32:10,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (1/1) ... [2021-12-22 15:32:10,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:32:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:32:10,309 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) [2021-12-22 15:32:10,318 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 [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-12-22 15:32:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:32:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:32:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:32:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:32:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:32:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:32:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:32:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2021-12-22 15:32:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:32:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:32:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2021-12-22 15:32:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:32:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:32:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:32:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-22 15:32:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-22 15:32:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:32:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:32:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:32:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:32:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:32:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:32:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:32:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:32:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:32:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:32:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2021-12-22 15:32:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2021-12-22 15:32:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:32:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:32:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:32:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:32:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-22 15:32:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-22 15:32:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:32:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:32:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2021-12-22 15:32:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2021-12-22 15:32:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:32:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:32:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-22 15:32:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-22 15:32:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:32:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:32:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:32:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:32:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2021-12-22 15:32:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2021-12-22 15:32:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 15:32:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 15:32:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-22 15:32:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-22 15:32:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:32:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:32:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2021-12-22 15:32:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2021-12-22 15:32:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2021-12-22 15:32:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2021-12-22 15:32:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2021-12-22 15:32:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2021-12-22 15:32:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:32:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2021-12-22 15:32:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2021-12-22 15:32:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:32:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:32:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:32:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:32:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:32:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 15:32:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 15:32:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2021-12-22 15:32:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2021-12-22 15:32:11,163 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:32:11,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:32:11,292 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:32:54,824 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:32:55,045 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:32:55,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:32:55,068 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:32:55,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:55 BoogieIcfgContainer [2021-12-22 15:32:55,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:32:55,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:32:55,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:32:55,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:32:55,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:32:06" (1/3) ... [2021-12-22 15:32:55,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6738d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:55, skipping insertion in model container [2021-12-22 15:32:55,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:09" (2/3) ... [2021-12-22 15:32:55,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6738d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:55, skipping insertion in model container [2021-12-22 15:32:55,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:55" (3/3) ... [2021-12-22 15:32:55,083 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-22 15:32:55,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:32:55,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:32:55,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:32:55,164 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 [2021-12-22 15:32:55,164 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:32:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) [2021-12-22 15:32:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-22 15:32:55,244 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:55,245 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:55,245 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)] === [2021-12-22 15:32:55,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:55,250 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2021-12-22 15:32:55,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:55,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60587437] [2021-12-22 15:32:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:55,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:32:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:32:56,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:56,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60587437] [2021-12-22 15:32:56,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60587437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:56,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:56,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:56,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221504653] [2021-12-22 15:32:56,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:56,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:56,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:56,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:56,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:56,527 INFO L87 Difference]: Start difference. First operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:32:58,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:33:00,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:33:12,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:33:12,337 INFO L93 Difference]: Finished difference Result 5992 states and 8498 transitions. [2021-12-22 15:33:12,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:33:12,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 200 [2021-12-22 15:33:12,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:33:12,374 INFO L225 Difference]: With dead ends: 5992 [2021-12-22 15:33:12,374 INFO L226 Difference]: Without dead ends: 3996 [2021-12-22 15:33:12,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:33:12,397 INFO L933 BasicCegarLoop]: 2969 mSDtfsCounter, 3199 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 6133 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:33:12,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3701 Valid, 6133 Invalid, 3419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 1810 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-12-22 15:33:12,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-12-22 15:33:12,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3912. [2021-12-22 15:33:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2630 states have (on average 1.2311787072243345) internal successors, (3238), 2674 states have internal predecessors, (3238), 1070 states have call successors, (1070), 210 states have call predecessors, (1070), 209 states have return successors, (1067), 1059 states have call predecessors, (1067), 1067 states have call successors, (1067) [2021-12-22 15:33:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5375 transitions. [2021-12-22 15:33:12,656 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5375 transitions. Word has length 200 [2021-12-22 15:33:12,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:33:12,659 INFO L470 AbstractCegarLoop]: Abstraction has 3912 states and 5375 transitions. [2021-12-22 15:33:12,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:33:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5375 transitions. [2021-12-22 15:33:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-22 15:33:12,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:12,671 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:12,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:33:12,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2021-12-22 15:33:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1161536545, now seen corresponding path program 1 times [2021-12-22 15:33:12,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:12,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603300893] [2021-12-22 15:33:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:12,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:33:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:33:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:33:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:33:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:33:13,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:13,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603300893] [2021-12-22 15:33:13,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603300893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:13,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:13,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:13,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356895985] [2021-12-22 15:33:13,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:13,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:13,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:13,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:13,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:13,397 INFO L87 Difference]: Start difference. First operand 3912 states and 5375 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)