./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 35987657 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-?-3598765 [2022-07-21 15:01:23,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:01:23,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:01:23,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:01:23,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:01:23,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:01:23,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:01:23,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:01:23,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:01:23,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:01:23,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:01:23,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:01:23,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:01:23,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:01:23,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:01:23,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:01:23,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:01:23,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:01:23,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:01:23,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:01:23,160 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:01:23,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:01:23,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:01:23,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:01:23,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:01:23,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:01:23,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:01:23,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:01:23,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:01:23,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:01:23,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:01:23,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:01:23,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:01:23,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:01:23,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:01:23,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:01:23,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:01:23,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:01:23,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:01:23,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:01:23,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:01:23,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:01:23,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:01:23,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:01:23,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:01:23,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:01:23,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:01:23,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:01:23,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:01:23,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:01:23,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:01:23,214 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:01:23,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:01:23,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:01:23,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:01:23,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:01:23,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:01:23,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:01:23,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:01:23,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:01:23,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:01:23,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:01:23,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:01:23,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:01:23,217 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:01:23,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:01:23,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:01:23,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-07-21 15:01:23,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:01:23,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:01:23,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:01:23,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:01:23,499 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:01:23,500 INFO L432 ainManager$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 [2022-07-21 15:01:23,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e487e63e7/ed6dbf1a46b0416e92317798361542b6/FLAGa474542e5 [2022-07-21 15:01:24,336 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:01:24,337 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 [2022-07-21 15:01:24,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e487e63e7/ed6dbf1a46b0416e92317798361542b6/FLAGa474542e5 [2022-07-21 15:01:24,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e487e63e7/ed6dbf1a46b0416e92317798361542b6 [2022-07-21 15:01:24,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:01:24,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:01:24,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:24,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:01:24,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:01:24,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:24" (1/1) ... [2022-07-21 15:01:24,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ea4a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:24, skipping insertion in model container [2022-07-21 15:01:24,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:01:24" (1/1) ... [2022-07-21 15:01:24,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:01:24,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:01:27,695 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] [2022-07-21 15:01:27,697 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] [2022-07-21 15:01:27,698 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] [2022-07-21 15:01:27,698 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] [2022-07-21 15:01:27,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:27,765 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:01:28,174 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] [2022-07-21 15:01:28,182 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] [2022-07-21 15:01:28,182 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] [2022-07-21 15:01:28,183 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] [2022-07-21 15:01:28,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:01:28,438 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:01:28,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28 WrapperNode [2022-07-21 15:01:28,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:01:28,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:28,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:01:28,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:01:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:28,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:28,862 INFO L137 Inliner]: procedures = 567, calls = 5328, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 12149 [2022-07-21 15:01:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:01:28,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:01:28,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:01:28,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:01:28,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:28,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:28,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:28,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:29,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:29,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:29,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:29,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:01:29,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:01:29,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:01:29,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:01:29,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (1/1) ... [2022-07-21 15:01:29,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:01:29,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:01:29,440 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) [2022-07-21 15:01:29,457 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 [2022-07-21 15:01:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-21 15:01:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-21 15:01:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-21 15:01:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-21 15:01:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 15:01:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 15:01:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:01:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:01:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 15:01:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 15:01:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:01:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:01:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-21 15:01:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-21 15:01:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-21 15:01:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-21 15:01:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:01:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:01:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 15:01:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 15:01:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:01:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:01:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:01:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:01:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 15:01:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 15:01:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 15:01:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 15:01:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-21 15:01:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-21 15:01:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-21 15:01:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-21 15:01:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 15:01:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 15:01:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 15:01:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 15:01:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 15:01:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 15:01:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:01:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:01:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 15:01:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 15:01:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:01:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:01:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-21 15:01:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-21 15:01:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:01:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:01:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 15:01:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 15:01:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:01:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:01:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:01:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:01:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 15:01:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 15:01:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 15:01:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 15:01:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:01:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-21 15:01:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-21 15:01:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-07-21 15:01:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-07-21 15:01:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-21 15:01:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-21 15:01:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 15:01:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 15:01:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-21 15:01:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-21 15:01:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:01:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:01:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-21 15:01:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-21 15:01:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-21 15:01:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-21 15:01:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-21 15:01:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-21 15:01:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 15:01:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-21 15:01:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-21 15:01:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-21 15:01:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-21 15:01:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:01:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:01:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:01:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:01:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 15:01:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:01:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:01:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:01:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-21 15:01:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-21 15:01:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:01:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:01:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:01:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:01:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 15:01:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 15:01:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:01:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:01:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:01:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:01:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-21 15:01:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-21 15:01:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 15:01:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 15:01:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 15:01:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 15:01:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-21 15:01:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-21 15:01:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-21 15:01:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-21 15:01:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:01:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 15:01:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 15:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 15:01:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 15:01:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 15:01:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 15:01:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 15:01:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 15:01:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:01:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:01:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:01:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 15:01:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 15:01:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:01:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-21 15:01:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-21 15:01:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 15:01:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 15:01:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-21 15:01:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-21 15:01:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:01:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:01:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-21 15:01:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-21 15:01:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 15:01:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 15:01:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 15:01:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 15:01:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:01:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:01:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:01:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:01:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-21 15:01:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-21 15:01:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 15:01:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 15:01:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-21 15:01:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-21 15:01:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:01:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:01:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-21 15:01:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-21 15:01:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:01:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:01:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:01:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:01:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 15:01:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 15:01:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:01:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:01:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 15:01:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 15:01:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-21 15:01:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-21 15:01:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 15:01:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 15:01:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-21 15:01:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-21 15:01:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-21 15:01:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-21 15:01:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 15:01:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 15:01:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-21 15:01:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-21 15:01:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-21 15:01:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-21 15:01:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 15:01:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 15:01:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-21 15:01:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-21 15:01:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-21 15:01:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-21 15:01:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:01:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:01:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 15:01:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 15:01:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-21 15:01:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-21 15:01:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 15:01:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 15:01:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 15:01:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 15:01:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:01:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-21 15:01:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-21 15:01:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 15:01:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 15:01:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:01:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 15:01:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 15:01:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 15:01:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 15:01:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-21 15:01:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-21 15:01:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:01:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-21 15:01:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-21 15:01:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-21 15:01:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-21 15:01:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-21 15:01:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-21 15:01:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:01:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:01:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 15:01:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 15:01:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-21 15:01:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-21 15:01:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:01:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:01:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 15:01:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 15:01:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-21 15:01:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-21 15:01:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 15:01:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 15:01:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-21 15:01:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-21 15:01:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-21 15:01:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-21 15:01:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 15:01:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 15:01:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:01:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:01:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 15:01:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 15:01:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-07-21 15:01:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-07-21 15:01:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 15:01:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 15:01:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:01:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:01:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:01:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-21 15:01:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-21 15:01:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:01:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:01:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-21 15:01:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-21 15:01:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-21 15:01:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-21 15:01:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-21 15:01:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-21 15:01:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:01:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:01:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-21 15:01:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-21 15:01:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 15:01:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 15:01:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:01:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:01:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 15:01:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 15:01:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 15:01:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 15:01:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 15:01:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 15:01:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-21 15:01:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-21 15:01:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 15:01:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 15:01:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-21 15:01:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-21 15:01:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:01:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-21 15:01:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-21 15:01:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:01:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:01:30,358 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:01:30,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:01:31,153 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:01:36,409 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:01:36,518 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:01:36,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:01:36,540 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 15:01:36,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:01:36 BoogieIcfgContainer [2022-07-21 15:01:36,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:01:36,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:01:36,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:01:36,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:01:36,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:01:24" (1/3) ... [2022-07-21 15:01:36,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a140e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:01:36, skipping insertion in model container [2022-07-21 15:01:36,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:01:28" (2/3) ... [2022-07-21 15:01:36,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a140e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:01:36, skipping insertion in model container [2022-07-21 15:01:36,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:01:36" (3/3) ... [2022-07-21 15:01:36,550 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-21 15:01:36,559 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:01:36,559 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 15:01:36,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:01:36,645 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@14f9fe24, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ea5dda [2022-07-21 15:01:36,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 15:01:36,657 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) [2022-07-21 15:01:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-21 15:01:36,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:36,684 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] [2022-07-21 15:01:36,685 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)] === [2022-07-21 15:01:36,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:36,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2081427451, now seen corresponding path program 1 times [2022-07-21 15:01:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:36,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874173111] [2022-07-21 15:01:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 15:01:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:01:37,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:37,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874173111] [2022-07-21 15:01:37,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874173111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:37,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:37,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:01:37,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165945922] [2022-07-21 15:01:37,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:37,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:01:37,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:01:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:01:37,669 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) [2022-07-21 15:01:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:43,888 INFO L93 Difference]: Finished difference Result 11501 states and 17923 transitions. [2022-07-21 15:01:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:01:43,890 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 [2022-07-21 15:01:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:43,950 INFO L225 Difference]: With dead ends: 11501 [2022-07-21 15:01:43,950 INFO L226 Difference]: Without dead ends: 7692 [2022-07-21 15:01:43,984 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 [2022-07-21 15:01:43,988 INFO L413 NwaCegarLoop]: 6118 mSDtfsCounter, 6346 mSDsluCounter, 6843 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 2550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7204 SdHoareTripleChecker+Valid, 12961 SdHoareTripleChecker+Invalid, 6162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2550 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:43,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7204 Valid, 12961 Invalid, 6162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2550 Valid, 3612 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-21 15:01:44,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-21 15:01:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7500. [2022-07-21 15:01:44,480 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) [2022-07-21 15:01:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 11052 transitions. [2022-07-21 15:01:44,526 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 11052 transitions. Word has length 171 [2022-07-21 15:01:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:44,529 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 11052 transitions. [2022-07-21 15:01:44,529 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) [2022-07-21 15:01:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 11052 transitions. [2022-07-21 15:01:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-21 15:01:44,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:44,539 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] [2022-07-21 15:01:44,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:01:44,539 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)] === [2022-07-21 15:01:44,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -39637302, now seen corresponding path program 1 times [2022-07-21 15:01:44,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:44,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961880289] [2022-07-21 15:01:44,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:01:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:01:45,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:45,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961880289] [2022-07-21 15:01:45,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961880289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:45,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:45,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:01:45,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057461330] [2022-07-21 15:01:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:45,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:01:45,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:01:45,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:01:45,106 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) [2022-07-21 15:01:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:50,369 INFO L93 Difference]: Finished difference Result 16299 states and 24072 transitions. [2022-07-21 15:01:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:01:50,370 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 [2022-07-21 15:01:50,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:50,412 INFO L225 Difference]: With dead ends: 16299 [2022-07-21 15:01:50,412 INFO L226 Difference]: Without dead ends: 8830 [2022-07-21 15:01:50,438 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 [2022-07-21 15:01:50,439 INFO L413 NwaCegarLoop]: 5855 mSDtfsCounter, 4432 mSDsluCounter, 6798 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 12653 SdHoareTripleChecker+Invalid, 5463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:50,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5078 Valid, 12653 Invalid, 5463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2098 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-21 15:01:50,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2022-07-21 15:01:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8578. [2022-07-21 15:01:50,726 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) [2022-07-21 15:01:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 12635 transitions. [2022-07-21 15:01:50,756 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 12635 transitions. Word has length 180 [2022-07-21 15:01:50,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:50,757 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 12635 transitions. [2022-07-21 15:01:50,758 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) [2022-07-21 15:01:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 12635 transitions. [2022-07-21 15:01:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-21 15:01:50,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:50,761 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] [2022-07-21 15:01:50,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:01:50,762 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)] === [2022-07-21 15:01:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:50,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1808562919, now seen corresponding path program 1 times [2022-07-21 15:01:50,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:50,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464252451] [2022-07-21 15:01:50,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:50,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 15:01:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:01:51,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:51,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464252451] [2022-07-21 15:01:51,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464252451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:51,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:51,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:01:51,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095133496] [2022-07-21 15:01:51,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:51,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:01:51,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:51,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:01:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:01:51,178 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) [2022-07-21 15:01:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:56,884 INFO L93 Difference]: Finished difference Result 22577 states and 33326 transitions. [2022-07-21 15:01:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:01:56,886 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 [2022-07-21 15:01:56,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:56,957 INFO L225 Difference]: With dead ends: 22577 [2022-07-21 15:01:56,958 INFO L226 Difference]: Without dead ends: 14030 [2022-07-21 15:01:56,984 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 [2022-07-21 15:01:56,987 INFO L413 NwaCegarLoop]: 6068 mSDtfsCounter, 6082 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6916 SdHoareTripleChecker+Valid, 12879 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:56,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6916 Valid, 12879 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 15:01:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2022-07-21 15:01:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13654. [2022-07-21 15:01:57,412 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) [2022-07-21 15:01:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 20132 transitions. [2022-07-21 15:01:57,461 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 20132 transitions. Word has length 181 [2022-07-21 15:01:57,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:57,462 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 20132 transitions. [2022-07-21 15:01:57,463 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) [2022-07-21 15:01:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 20132 transitions. [2022-07-21 15:01:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-21 15:01:57,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:57,466 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] [2022-07-21 15:01:57,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:01:57,466 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)] === [2022-07-21 15:01:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1455780988, now seen corresponding path program 1 times [2022-07-21 15:01:57,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:01:57,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64670971] [2022-07-21 15:01:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:01:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:01:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:01:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:01:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:01:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:01:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:01:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:01:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:01:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:01:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:01:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:01:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:01:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:01:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:01:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:01:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 15:01:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 15:01:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:01:57,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:01:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64670971] [2022-07-21 15:01:57,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64670971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:57,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:57,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:01:57,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113684857] [2022-07-21 15:01:57,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:57,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:01:57,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:01:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:01:57,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:01:57,843 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) [2022-07-21 15:02:10,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:02:10,934 INFO L93 Difference]: Finished difference Result 50875 states and 75007 transitions. [2022-07-21 15:02:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:02:10,934 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 [2022-07-21 15:02:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:02:11,102 INFO L225 Difference]: With dead ends: 50875 [2022-07-21 15:02:11,102 INFO L226 Difference]: Without dead ends: 37252 [2022-07-21 15:02:11,163 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 [2022-07-21 15:02:11,166 INFO L413 NwaCegarLoop]: 6701 mSDtfsCounter, 11754 mSDsluCounter, 13140 mSDsCounter, 0 mSdLazyCounter, 12459 mSolverCounterSat, 4349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13295 SdHoareTripleChecker+Valid, 19841 SdHoareTripleChecker+Invalid, 16808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:02:11,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13295 Valid, 19841 Invalid, 16808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12459 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-07-21 15:02:11,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37252 states. [2022-07-21 15:02:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37252 to 36208. [2022-07-21 15:02:12,415 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) [2022-07-21 15:02:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36208 states to 36208 states and 53309 transitions. [2022-07-21 15:02:12,790 INFO L78 Accepts]: Start accepts. Automaton has 36208 states and 53309 transitions. Word has length 188 [2022-07-21 15:02:12,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:02:12,791 INFO L495 AbstractCegarLoop]: Abstraction has 36208 states and 53309 transitions. [2022-07-21 15:02:12,791 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) [2022-07-21 15:02:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 36208 states and 53309 transitions. [2022-07-21 15:02:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 15:02:12,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:12,798 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] [2022-07-21 15:02:12,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:02:12,799 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)] === [2022-07-21 15:02:12,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash 251480147, now seen corresponding path program 1 times [2022-07-21 15:02:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:02:12,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392687506] [2022-07-21 15:02:12,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:02:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:02:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:02:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:02:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:02:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:02:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:02:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:02:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:02:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:02:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:02:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:02:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:02:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:02:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:02:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:02:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:02:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:02:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 15:02:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:02:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:02:13,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:02:13,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392687506] [2022-07-21 15:02:13,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392687506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:02:13,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:02:13,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:02:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623395450] [2022-07-21 15:02:13,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:02:13,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:02:13,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:02:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:02:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:02:13,263 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) [2022-07-21 15:02:19,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:02:19,299 INFO L93 Difference]: Finished difference Result 105017 states and 154637 transitions. [2022-07-21 15:02:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:02:19,300 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 [2022-07-21 15:02:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:02:19,772 INFO L225 Difference]: With dead ends: 105017 [2022-07-21 15:02:19,772 INFO L226 Difference]: Without dead ends: 68840 [2022-07-21 15:02:19,899 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 [2022-07-21 15:02:19,901 INFO L413 NwaCegarLoop]: 6669 mSDtfsCounter, 6306 mSDsluCounter, 7233 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 2495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7159 SdHoareTripleChecker+Valid, 13902 SdHoareTripleChecker+Invalid, 6089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2495 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:02:19,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7159 Valid, 13902 Invalid, 6089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2495 Valid, 3594 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-21 15:02:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68840 states. [2022-07-21 15:02:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68840 to 66947. [2022-07-21 15:02:21,962 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) [2022-07-21 15:02:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66947 states to 66947 states and 98363 transitions. [2022-07-21 15:02:22,703 INFO L78 Accepts]: Start accepts. Automaton has 66947 states and 98363 transitions. Word has length 196 [2022-07-21 15:02:22,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:02:22,703 INFO L495 AbstractCegarLoop]: Abstraction has 66947 states and 98363 transitions. [2022-07-21 15:02:22,703 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) [2022-07-21 15:02:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 66947 states and 98363 transitions. [2022-07-21 15:02:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-21 15:02:22,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:22,706 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] [2022-07-21 15:02:22,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:02:22,706 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)] === [2022-07-21 15:02:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1088846815, now seen corresponding path program 1 times [2022-07-21 15:02:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:02:22,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485649381] [2022-07-21 15:02:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:22,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:02:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:02:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:02:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:02:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:02:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:02:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:02:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:02:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:02:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:02:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:02:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:02:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:02:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:02:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:02:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 15:02:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:02:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 15:02:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:02:23,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:02:23,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485649381] [2022-07-21 15:02:23,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485649381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:02:23,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:02:23,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:02:23,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124454946] [2022-07-21 15:02:23,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:02:23,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:02:23,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:02:23,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:02:23,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:02:23,113 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) [2022-07-21 15:02:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:02:30,463 INFO L93 Difference]: Finished difference Result 203204 states and 298952 transitions. [2022-07-21 15:02:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:02:30,464 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 [2022-07-21 15:02:30,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:02:31,246 INFO L225 Difference]: With dead ends: 203204 [2022-07-21 15:02:31,247 INFO L226 Difference]: Without dead ends: 136288 [2022-07-21 15:02:31,427 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 [2022-07-21 15:02:31,428 INFO L413 NwaCegarLoop]: 6129 mSDtfsCounter, 6367 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 2599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7230 SdHoareTripleChecker+Valid, 13008 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:02:31,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7230 Valid, 13008 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2599 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-21 15:02:31,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136288 states. [2022-07-21 15:02:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136288 to 132533. [2022-07-21 15:02:35,732 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) [2022-07-21 15:02:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132533 states to 132533 states and 194699 transitions. [2022-07-21 15:02:36,664 INFO L78 Accepts]: Start accepts. Automaton has 132533 states and 194699 transitions. Word has length 194 [2022-07-21 15:02:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:02:36,665 INFO L495 AbstractCegarLoop]: Abstraction has 132533 states and 194699 transitions. [2022-07-21 15:02:36,665 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) [2022-07-21 15:02:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 132533 states and 194699 transitions. [2022-07-21 15:02:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-21 15:02:36,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:36,668 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] [2022-07-21 15:02:36,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 15:02:36,668 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)] === [2022-07-21 15:02:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:36,669 INFO L85 PathProgramCache]: Analyzing trace with hash -303956428, now seen corresponding path program 1 times [2022-07-21 15:02:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:02:36,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292144555] [2022-07-21 15:02:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:36,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:02:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:02:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:02:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:02:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:02:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:02:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:02:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:02:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:02:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:02:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:02:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:02:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:02:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:02:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:02:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:02:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 15:02:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:02:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 15:02:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:02:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-21 15:02:37,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:02:37,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292144555] [2022-07-21 15:02:37,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292144555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:02:37,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:02:37,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:02:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264200288] [2022-07-21 15:02:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:02:37,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:02:37,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:02:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:02:37,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:02:37,169 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) [2022-07-21 15:02:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:02:47,272 INFO L93 Difference]: Finished difference Result 395345 states and 583247 transitions. [2022-07-21 15:02:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:02:47,272 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 [2022-07-21 15:02:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:02:48,689 INFO L225 Difference]: With dead ends: 395345 [2022-07-21 15:02:48,689 INFO L226 Difference]: Without dead ends: 262843 [2022-07-21 15:02:49,062 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 [2022-07-21 15:02:49,063 INFO L413 NwaCegarLoop]: 6327 mSDtfsCounter, 6302 mSDsluCounter, 6933 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7140 SdHoareTripleChecker+Valid, 13260 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:02:49,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7140 Valid, 13260 Invalid, 6075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2540 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-21 15:02:49,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262843 states. [2022-07-21 15:02:57,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262843 to 256288. [2022-07-21 15:02:58,192 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) [2022-07-21 15:02:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256288 states to 256288 states and 378104 transitions. [2022-07-21 15:02:59,479 INFO L78 Accepts]: Start accepts. Automaton has 256288 states and 378104 transitions. Word has length 194 [2022-07-21 15:02:59,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:02:59,480 INFO L495 AbstractCegarLoop]: Abstraction has 256288 states and 378104 transitions. [2022-07-21 15:02:59,480 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) [2022-07-21 15:02:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 256288 states and 378104 transitions. [2022-07-21 15:02:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-21 15:02:59,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:02:59,482 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:02:59,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:02:59,483 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)] === [2022-07-21 15:02:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:02:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1238881710, now seen corresponding path program 1 times [2022-07-21 15:02:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:02:59,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90779747] [2022-07-21 15:02:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:02:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:03:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:03:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:03:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:03:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:03:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:03:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:03:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:03:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:03:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:03:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:03:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:03:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:03:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:03:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:03:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 15:03:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 15:03:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 15:03:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 15:03:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-07-21 15:03:00,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:03:00,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90779747] [2022-07-21 15:03:00,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90779747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:00,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:00,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:03:00,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888773589] [2022-07-21 15:03:00,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:00,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:03:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:03:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:03:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:03:00,227 INFO L87 Difference]: Start difference. First operand 256288 states and 378104 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)