./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.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 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:27:42,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:27:42,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:27:42,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:27:42,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:27:42,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:27:42,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:27:42,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:27:42,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:27:42,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:27:42,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:27:42,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:27:42,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:27:42,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:27:42,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:27:42,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:27:42,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:27:42,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:27:42,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:27:42,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:27:42,554 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:27:42,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:27:42,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:27:42,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:27:42,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:27:42,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:27:42,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:27:42,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:27:42,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:27:42,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:27:42,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:27:42,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:27:42,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:27:42,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:27:42,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:27:42,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:27:42,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:27:42,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:27:42,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:27:42,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:27:42,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:27:42,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:27:42,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:27:42,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:27:42,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:27:42,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:27:42,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:27:42,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:27:42,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:27:42,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:27:42,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:27:42,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:27:42,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:27:42,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:27:42,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:27:42,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:27:42,594 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:27:42,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:27:42,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:27:42,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-07-12 16:27:42,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:27:42,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:27:42,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:27:42,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:27:42,799 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:27:42,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-12 16:27:42,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b471332a4/a2410415c11a403ea390d9f5eb1c10a9/FLAG1db55a94b [2022-07-12 16:27:43,536 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:27:43,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-12 16:27:43,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b471332a4/a2410415c11a403ea390d9f5eb1c10a9/FLAG1db55a94b [2022-07-12 16:27:43,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b471332a4/a2410415c11a403ea390d9f5eb1c10a9 [2022-07-12 16:27:43,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:27:43,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:27:43,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:43,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:27:43,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:27:43,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:43" (1/1) ... [2022-07-12 16:27:43,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5f1304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:43, skipping insertion in model container [2022-07-12 16:27:43,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:27:43" (1/1) ... [2022-07-12 16:27:43,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:27:43,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:27:46,679 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-12 16:27:46,682 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-12 16:27:46,682 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-12 16:27:46,687 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-12 16:27:46,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:46,750 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:27:47,066 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-12 16:27:47,067 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-12 16:27:47,087 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-12 16:27:47,087 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-12 16:27:47,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:27:47,266 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:27:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47 WrapperNode [2022-07-12 16:27:47,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:27:47,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:47,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:27:47,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:27:47,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,613 INFO L137 Inliner]: procedures = 567, calls = 5328, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 12149 [2022-07-12 16:27:47,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:27:47,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:27:47,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:27:47,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:27:47,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:47,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:48,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:27:48,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:27:48,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:27:48,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:27:48,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (1/1) ... [2022-07-12 16:27:48,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:27:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:27:48,130 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) [2022-07-12 16:27:48,147 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 [2022-07-12 16:27:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-12 16:27:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-12 16:27:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-12 16:27:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-12 16:27:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:27:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:27:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:27:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:27:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:27:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:27:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:27:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:27:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-12 16:27:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-12 16:27:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-12 16:27:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-12 16:27:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:27:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:27:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 16:27:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 16:27:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:27:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:27:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:27:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:27:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 16:27:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 16:27:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:27:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:27:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-12 16:27:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-12 16:27:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-12 16:27:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-12 16:27:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 16:27:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 16:27:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:27:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:27:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-12 16:27:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-12 16:27:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:27:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:27:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:27:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:27:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:27:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:27:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-12 16:27:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-12 16:27:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:27:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:27:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 16:27:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 16:27:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:27:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:27:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:27:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:27:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:27:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:27:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:27:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:27:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:27:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-12 16:27:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-12 16:27:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-07-12 16:27:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-07-12 16:27:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-12 16:27:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-12 16:27:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 16:27:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 16:27:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-12 16:27:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-12 16:27:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:27:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:27:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-12 16:27:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-12 16:27:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-12 16:27:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-12 16:27:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-12 16:27:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-12 16:27:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:27:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-12 16:27:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-12 16:27:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-12 16:27:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-12 16:27:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:27:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:27:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:27:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:27:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:27:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:27:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:27:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:27:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 16:27:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 16:27:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:27:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:27:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:27:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:27:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:27:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:27:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:27:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:27:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:27:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:27:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-12 16:27:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-12 16:27:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:27:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:27:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:27:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:27:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-12 16:27:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-12 16:27:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-12 16:27:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-12 16:27:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:27:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:27:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:27:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:27:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:27:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:27:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:27:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:27:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:27:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:27:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:27:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:27:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:27:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:27:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:27:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:27:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:27:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-12 16:27:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-12 16:27:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 16:27:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 16:27:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-12 16:27:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-12 16:27:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:27:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:27:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-12 16:27:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-12 16:27:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:27:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:27:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:27:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:27:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:27:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:27:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:27:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:27:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-12 16:27:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-12 16:27:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:27:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:27:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-12 16:27:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-12 16:27:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:27:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-12 16:27:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:27:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 16:27:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 16:27:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:27:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:27:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 16:27:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 16:27:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-12 16:27:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-12 16:27:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:27:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:27:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-12 16:27:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-12 16:27:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-12 16:27:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-12 16:27:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:27:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:27:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-12 16:27:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-12 16:27:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-12 16:27:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-12 16:27:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:27:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:27:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-12 16:27:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-12 16:27:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-12 16:27:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-12 16:27:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:27:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:27:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:27:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:27:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-12 16:27:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-12 16:27:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 16:27:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 16:27:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:27:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:27:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:27:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-12 16:27:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-12 16:27:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:27:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 16:27:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 16:27:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-12 16:27:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:27:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-12 16:27:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-12 16:27:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-12 16:27:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-12 16:27:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-12 16:27:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-12 16:27:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:27:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:27:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 16:27:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 16:27:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-12 16:27:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-12 16:27:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:27:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:27:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 16:27:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 16:27:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-12 16:27:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-12 16:27:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 16:27:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 16:27:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-12 16:27:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-12 16:27:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-12 16:27:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-12 16:27:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:27:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:27:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:27:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:27:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 16:27:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 16:27:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-07-12 16:27:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-07-12 16:27:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:27:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:27:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:27:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:27:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:27:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-12 16:27:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-12 16:27:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:27:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:27:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-12 16:27:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-12 16:27:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-12 16:27:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-12 16:27:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-12 16:27:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-12 16:27:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:27:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:27:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-12 16:27:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-12 16:27:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:27:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:27:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:27:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:27:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:27:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:27:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 16:27:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 16:27:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 16:27:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 16:27:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-12 16:27:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-12 16:27:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:27:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:27:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-12 16:27:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-12 16:27:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:27:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-12 16:27:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-12 16:27:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:27:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:27:49,150 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:27:49,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:27:50,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:27:55,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:27:55,316 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:27:55,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:27:55,339 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 16:27:55,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:27:55 BoogieIcfgContainer [2022-07-12 16:27:55,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:27:55,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:27:55,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:27:55,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:27:55,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:27:43" (1/3) ... [2022-07-12 16:27:55,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f489a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:27:55, skipping insertion in model container [2022-07-12 16:27:55,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:27:47" (2/3) ... [2022-07-12 16:27:55,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f489a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:27:55, skipping insertion in model container [2022-07-12 16:27:55,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:27:55" (3/3) ... [2022-07-12 16:27:55,350 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-12 16:27:55,360 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:27:55,361 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:27:55,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:27:55,463 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6507af78, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1959c809 [2022-07-12 16:27:55,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:27:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2022-07-12 16:27:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-12 16:27:55,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:55,502 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:27:55,502 INFO L420 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)] === [2022-07-12 16:27:55,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:55,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2081427451, now seen corresponding path program 1 times [2022-07-12 16:27:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:27:55,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931439293] [2022-07-12 16:27:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:27:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:27:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:27:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:27:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:27:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:27:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:27:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:27:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:27:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:27:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:27:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:27:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:27:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:27:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:27:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:27:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 16:27:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:27:56,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:27:56,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931439293] [2022-07-12 16:27:56,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931439293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:56,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:56,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:27:56,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642622500] [2022-07-12 16:27:56,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:56,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:27:56,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:27:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:27:56,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:27:56,422 INFO L87 Difference]: Start difference. First operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) 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) [2022-07-12 16:28:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:02,355 INFO L93 Difference]: Finished difference Result 11501 states and 17923 transitions. [2022-07-12 16:28:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:28:02,370 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 171 [2022-07-12 16:28:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:02,424 INFO L225 Difference]: With dead ends: 11501 [2022-07-12 16:28:02,425 INFO L226 Difference]: Without dead ends: 7692 [2022-07-12 16:28:02,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:28:02,455 INFO L413 NwaCegarLoop]: 6119 mSDtfsCounter, 6343 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 2553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7202 SdHoareTripleChecker+Valid, 12961 SdHoareTripleChecker+Invalid, 6164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2553 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:02,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7202 Valid, 12961 Invalid, 6164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2553 Valid, 3611 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-12 16:28:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-12 16:28:02,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7500. [2022-07-12 16:28:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5397 states have (on average 1.3666851954789698) internal successors, (7376), 5596 states have internal predecessors, (7376), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2022-07-12 16:28:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 11052 transitions. [2022-07-12 16:28:02,943 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 11052 transitions. Word has length 171 [2022-07-12 16:28:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:02,946 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 11052 transitions. [2022-07-12 16:28:02,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 16:28:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 11052 transitions. [2022-07-12 16:28:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 16:28:02,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:02,957 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:02,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:28:02,958 INFO L420 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)] === [2022-07-12 16:28:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:02,958 INFO L85 PathProgramCache]: Analyzing trace with hash -39637302, now seen corresponding path program 1 times [2022-07-12 16:28:02,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:02,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813302770] [2022-07-12 16:28:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:28:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:03,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:03,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813302770] [2022-07-12 16:28:03,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813302770] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:03,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:03,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:28:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782077946] [2022-07-12 16:28:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:03,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:28:03,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:03,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:28:03,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:28:03,474 INFO L87 Difference]: Start difference. First operand 7500 states and 11052 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 16:28:08,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:08,947 INFO L93 Difference]: Finished difference Result 16299 states and 24072 transitions. [2022-07-12 16:28:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:28:08,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-07-12 16:28:08,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:08,993 INFO L225 Difference]: With dead ends: 16299 [2022-07-12 16:28:08,993 INFO L226 Difference]: Without dead ends: 8830 [2022-07-12 16:28:09,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:28:09,026 INFO L413 NwaCegarLoop]: 5854 mSDtfsCounter, 4432 mSDsluCounter, 6792 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 12646 SdHoareTripleChecker+Invalid, 5464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2099 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:09,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5077 Valid, 12646 Invalid, 5464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2099 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 16:28:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2022-07-12 16:28:09,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8578. [2022-07-12 16:28:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 6138 states have (on average 1.3664059954382535) internal successors, (8387), 6356 states have internal predecessors, (8387), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-07-12 16:28:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 12635 transitions. [2022-07-12 16:28:09,423 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 12635 transitions. Word has length 180 [2022-07-12 16:28:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:09,424 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 12635 transitions. [2022-07-12 16:28:09,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 16:28:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 12635 transitions. [2022-07-12 16:28:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 16:28:09,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:09,429 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:09,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:28:09,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-07-12 16:28:09,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:09,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1808562919, now seen corresponding path program 1 times [2022-07-12 16:28:09,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:09,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046122493] [2022-07-12 16:28:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:09,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:28:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:09,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:09,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046122493] [2022-07-12 16:28:09,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046122493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:09,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:09,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:28:09,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804849051] [2022-07-12 16:28:09,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:09,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:28:09,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:09,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:28:09,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:28:09,798 INFO L87 Difference]: Start difference. First operand 8578 states and 12635 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-07-12 16:28:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:15,273 INFO L93 Difference]: Finished difference Result 22577 states and 33326 transitions. [2022-07-12 16:28:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:28:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) Word has length 181 [2022-07-12 16:28:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:15,335 INFO L225 Difference]: With dead ends: 22577 [2022-07-12 16:28:15,335 INFO L226 Difference]: Without dead ends: 14030 [2022-07-12 16:28:15,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:28:15,363 INFO L413 NwaCegarLoop]: 6067 mSDtfsCounter, 6082 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6918 SdHoareTripleChecker+Valid, 12878 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:15,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6918 Valid, 12878 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 16:28:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2022-07-12 16:28:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13654. [2022-07-12 16:28:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 9739 states have (on average 1.36677276927816) internal successors, (13311), 10094 states have internal predecessors, (13311), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2022-07-12 16:28:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 20132 transitions. [2022-07-12 16:28:15,814 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 20132 transitions. Word has length 181 [2022-07-12 16:28:15,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:15,815 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 20132 transitions. [2022-07-12 16:28:15,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-07-12 16:28:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 20132 transitions. [2022-07-12 16:28:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-12 16:28:15,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:15,818 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:15,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:28:15,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-07-12 16:28:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1455780988, now seen corresponding path program 1 times [2022-07-12 16:28:15,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:15,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300732795] [2022-07-12 16:28:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:15,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 16:28:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:28:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:16,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:16,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300732795] [2022-07-12 16:28:16,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300732795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:16,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:16,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:28:16,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76021644] [2022-07-12 16:28:16,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:16,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:28:16,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:16,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:28:16,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:28:16,175 INFO L87 Difference]: Start difference. First operand 13654 states and 20132 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 16:28:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:28,637 INFO L93 Difference]: Finished difference Result 50875 states and 75007 transitions. [2022-07-12 16:28:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 16:28:28,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-07-12 16:28:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:28,786 INFO L225 Difference]: With dead ends: 50875 [2022-07-12 16:28:28,787 INFO L226 Difference]: Without dead ends: 37252 [2022-07-12 16:28:28,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:28:28,842 INFO L413 NwaCegarLoop]: 6702 mSDtfsCounter, 11754 mSDsluCounter, 13144 mSDsCounter, 0 mSdLazyCounter, 12459 mSolverCounterSat, 4349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13295 SdHoareTripleChecker+Valid, 19846 SdHoareTripleChecker+Invalid, 16808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:28,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13295 Valid, 19846 Invalid, 16808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12459 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-07-12 16:28:28,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37252 states. [2022-07-12 16:28:29,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37252 to 36208. [2022-07-12 16:28:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36208 states, 25879 states have (on average 1.3657405618455118) internal successors, (35344), 26854 states have internal predecessors, (35344), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2022-07-12 16:28:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36208 states to 36208 states and 53309 transitions. [2022-07-12 16:28:30,149 INFO L78 Accepts]: Start accepts. Automaton has 36208 states and 53309 transitions. Word has length 188 [2022-07-12 16:28:30,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:30,150 INFO L495 AbstractCegarLoop]: Abstraction has 36208 states and 53309 transitions. [2022-07-12 16:28:30,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 16:28:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 36208 states and 53309 transitions. [2022-07-12 16:28:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-12 16:28:30,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:30,153 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:30,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:28:30,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-07-12 16:28:30,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:30,154 INFO L85 PathProgramCache]: Analyzing trace with hash 251480147, now seen corresponding path program 1 times [2022-07-12 16:28:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:30,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073501963] [2022-07-12 16:28:30,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:30,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 16:28:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 16:28:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:28:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 16:28:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 16:28:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:30,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:30,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073501963] [2022-07-12 16:28:30,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073501963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:30,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:30,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:28:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618766526] [2022-07-12 16:28:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:30,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:28:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:30,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:28:30,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:28:30,491 INFO L87 Difference]: Start difference. First operand 36208 states and 53309 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 16:28:36,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:36,991 INFO L93 Difference]: Finished difference Result 105017 states and 154637 transitions. [2022-07-12 16:28:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:28:36,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-07-12 16:28:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:37,482 INFO L225 Difference]: With dead ends: 105017 [2022-07-12 16:28:37,482 INFO L226 Difference]: Without dead ends: 68840 [2022-07-12 16:28:37,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:28:37,680 INFO L413 NwaCegarLoop]: 6388 mSDtfsCounter, 6349 mSDsluCounter, 7034 mSDsCounter, 0 mSdLazyCounter, 3593 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7200 SdHoareTripleChecker+Valid, 13422 SdHoareTripleChecker+Invalid, 6128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 3593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:37,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7200 Valid, 13422 Invalid, 6128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2535 Valid, 3593 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 16:28:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68840 states. [2022-07-12 16:28:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68840 to 66947. [2022-07-12 16:28:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66947 states, 47890 states have (on average 1.3633743996659011) internal successors, (65292), 49703 states have internal predecessors, (65292), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2022-07-12 16:28:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66947 states to 66947 states and 98363 transitions. [2022-07-12 16:28:40,500 INFO L78 Accepts]: Start accepts. Automaton has 66947 states and 98363 transitions. Word has length 196 [2022-07-12 16:28:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:40,502 INFO L495 AbstractCegarLoop]: Abstraction has 66947 states and 98363 transitions. [2022-07-12 16:28:40,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 16:28:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 66947 states and 98363 transitions. [2022-07-12 16:28:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 16:28:40,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:40,505 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:40,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:28:40,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-07-12 16:28:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:40,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1088846815, now seen corresponding path program 1 times [2022-07-12 16:28:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:40,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750257419] [2022-07-12 16:28:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:40,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 16:28:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:28:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 16:28:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:41,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:41,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750257419] [2022-07-12 16:28:41,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750257419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:41,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:41,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:28:41,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187753526] [2022-07-12 16:28:41,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:41,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:28:41,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:41,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:28:41,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:28:41,029 INFO L87 Difference]: Start difference. First operand 66947 states and 98363 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 16:28:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:48,714 INFO L93 Difference]: Finished difference Result 203204 states and 298952 transitions. [2022-07-12 16:28:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:28:48,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-12 16:28:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:49,318 INFO L225 Difference]: With dead ends: 203204 [2022-07-12 16:28:49,318 INFO L226 Difference]: Without dead ends: 136288 [2022-07-12 16:28:49,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:28:49,522 INFO L413 NwaCegarLoop]: 6130 mSDtfsCounter, 6367 mSDsluCounter, 6880 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 2599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7229 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:49,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7229 Valid, 13010 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2599 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 16:28:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136288 states. [2022-07-12 16:28:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136288 to 132533. [2022-07-12 16:28:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132533 states, 94858 states have (on average 1.3633641864681945) internal successors, (129326), 98483 states have internal predecessors, (129326), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30663 states have call predecessors, (32788), 32581 states have call successors, (32788) [2022-07-12 16:28:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132533 states to 132533 states and 194699 transitions. [2022-07-12 16:28:54,991 INFO L78 Accepts]: Start accepts. Automaton has 132533 states and 194699 transitions. Word has length 194 [2022-07-12 16:28:54,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:28:54,992 INFO L495 AbstractCegarLoop]: Abstraction has 132533 states and 194699 transitions. [2022-07-12 16:28:54,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 16:28:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 132533 states and 194699 transitions. [2022-07-12 16:28:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 16:28:54,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:28:54,999 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:28:54,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:28:55,000 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-12 16:28:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:28:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -303956428, now seen corresponding path program 1 times [2022-07-12 16:28:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:28:55,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001696974] [2022-07-12 16:28:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:28:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:28:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:28:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:28:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:28:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:28:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:28:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:28:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:28:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:28:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:28:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:28:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:28:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:28:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:28:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:28:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 16:28:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:28:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 16:28:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:28:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-12 16:28:55,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:28:55,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001696974] [2022-07-12 16:28:55,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001696974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:28:55,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:28:55,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:28:55,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738495756] [2022-07-12 16:28:55,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:28:55,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:28:55,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:28:55,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:28:55,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:28:55,341 INFO L87 Difference]: Start difference. First operand 132533 states and 194699 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 16:29:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:29:05,651 INFO L93 Difference]: Finished difference Result 395345 states and 583247 transitions. [2022-07-12 16:29:05,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:29:05,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-12 16:29:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:29:07,198 INFO L225 Difference]: With dead ends: 395345 [2022-07-12 16:29:07,198 INFO L226 Difference]: Without dead ends: 262843 [2022-07-12 16:29:07,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:29:07,645 INFO L413 NwaCegarLoop]: 6325 mSDtfsCounter, 6302 mSDsluCounter, 6931 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7142 SdHoareTripleChecker+Valid, 13256 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:29:07,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7142 Valid, 13256 Invalid, 6075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2540 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 16:29:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262843 states. [2022-07-12 16:29:15,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262843 to 256288. [2022-07-12 16:29:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256288 states, 183822 states have (on average 1.3669528130474045) internal successors, (251276), 190894 states have internal predecessors, (251276), 62646 states have call successors, (62646), 9878 states have call predecessors, (62646), 9817 states have return successors, (64182), 58781 states have call predecessors, (64182), 62642 states have call successors, (64182) [2022-07-12 16:29:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256288 states to 256288 states and 378104 transitions. [2022-07-12 16:29:17,709 INFO L78 Accepts]: Start accepts. Automaton has 256288 states and 378104 transitions. Word has length 194 [2022-07-12 16:29:17,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:29:17,709 INFO L495 AbstractCegarLoop]: Abstraction has 256288 states and 378104 transitions. [2022-07-12 16:29:17,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-12 16:29:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 256288 states and 378104 transitions. [2022-07-12 16:29:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-12 16:29:17,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:17,713 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:29:17,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:29:17,714 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-12 16:29:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:17,714 INFO L85 PathProgramCache]: Analyzing trace with hash 792250352, now seen corresponding path program 1 times [2022-07-12 16:29:17,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:29:17,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107165423] [2022-07-12 16:29:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:17,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:29:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:29:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:29:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:29:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:29:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:29:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:29:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:29:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:29:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:29:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:29:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:29:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:29:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:29:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:29:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 16:29:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 16:29:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:29:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 16:29:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-07-12 16:29:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:29:18,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107165423] [2022-07-12 16:29:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107165423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:18,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:29:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137327716] [2022-07-12 16:29:18,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:29:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:29:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:29:18,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:29:18,430 INFO L87 Difference]: Start difference. First operand 256288 states and 378104 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)