./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-dev-ae00767 [2021-12-28 05:11:21,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:11:21,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:11:21,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:11:21,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:11:21,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:11:21,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:11:21,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:11:21,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:11:21,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:11:21,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:11:21,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:11:21,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:11:21,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:11:21,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:11:21,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:11:21,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:11:21,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:11:21,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:11:21,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:11:21,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:11:21,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:11:21,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:11:21,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:11:21,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:11:21,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:11:21,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:11:21,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:11:21,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:11:21,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:11:21,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:11:21,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:11:21,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:11:21,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:11:21,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:11:21,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:11:21,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:11:21,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:11:21,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:11:21,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:11:21,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:11:21,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:11:21,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:11:21,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:11:21,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:11:21,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:11:21,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:11:21,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:11:21,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:11:21,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:11:21,237 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:11:21,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:11:21,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:11:21,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:11:21,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:11:21,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:11:21,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:11:21,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:11:21,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:11:21,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:11:21,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:11:21,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2021-12-28 05:11:21,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:11:21,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:11:21,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:11:21,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:11:21,518 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:11:21,519 INFO L432 ainManager$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 [2021-12-28 05:11:21,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83837d994/ab7348182bd44156bf8654bd588e5402/FLAG9fc630e20 [2021-12-28 05:11:22,194 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:11:22,194 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 [2021-12-28 05:11:22,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83837d994/ab7348182bd44156bf8654bd588e5402/FLAG9fc630e20 [2021-12-28 05:11:22,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83837d994/ab7348182bd44156bf8654bd588e5402 [2021-12-28 05:11:22,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:11:22,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:11:22,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:11:22,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:11:22,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:11:22,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d929c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22, skipping insertion in model container [2021-12-28 05:11:22,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:11:22,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:11:25,405 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] [2021-12-28 05:11:25,408 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] [2021-12-28 05:11:25,408 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] [2021-12-28 05:11:25,409 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] [2021-12-28 05:11:25,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:11:25,487 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:11:25,891 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] [2021-12-28 05:11:25,913 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] [2021-12-28 05:11:25,913 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] [2021-12-28 05:11:25,913 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] [2021-12-28 05:11:25,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:11:26,122 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:11:26,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26 WrapperNode [2021-12-28 05:11:26,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:11:26,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:26,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:11:26,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:11:26,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,468 INFO L137 Inliner]: procedures = 567, calls = 5326, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11363 [2021-12-28 05:11:26,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:26,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:11:26,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:11:26,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:11:26,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:11:26,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:11:26,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:11:26,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:11:26,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (1/1) ... [2021-12-28 05:11:26,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:11:26,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:11:26,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:11:26,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:11:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-28 05:11:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-28 05:11:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-28 05:11:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-28 05:11:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:11:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:11:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:11:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:11:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:11:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:11:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:11:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:11:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-28 05:11:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-28 05:11:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-28 05:11:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-28 05:11:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:11:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:11:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:11:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:11:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:11:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:11:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 05:11:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 05:11:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:11:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:11:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 05:11:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 05:11:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 05:11:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 05:11:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 05:11:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 05:11:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:11:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:11:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-28 05:11:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-28 05:11:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:11:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:11:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:11:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:11:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:11:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:11:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-28 05:11:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-28 05:11:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:11:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:11:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 05:11:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 05:11:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:11:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:11:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:11:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:11:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 05:11:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 05:11:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:11:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:11:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:11:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-28 05:11:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-28 05:11:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2021-12-28 05:11:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2021-12-28 05:11:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-28 05:11:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-28 05:11:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 05:11:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 05:11:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-28 05:11:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-28 05:11:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:11:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:11:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-28 05:11:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-28 05:11:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-28 05:11:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-28 05:11:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-28 05:11:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-28 05:11:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:11:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-28 05:11:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-28 05:11:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-28 05:11:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-28 05:11:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:11:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:11:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:11:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:11:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:11:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:11:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:11:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:11:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 05:11:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 05:11:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:11:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:11:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:11:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:11:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:11:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:11:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:11:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:11:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-28 05:11:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-28 05:11:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 05:11:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 05:11:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:11:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:11:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-28 05:11:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-28 05:11:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-28 05:11:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-28 05:11:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:11:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:11:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:11:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:11:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:11:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:11:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:11:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:11:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:11:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:11:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-28 05:11:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 05:11:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 05:11:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 05:11:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:11:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:11:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-28 05:11:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-28 05:11:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 05:11:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 05:11:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:11:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 05:11:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 05:11:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 05:11:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 05:11:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 05:11:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 05:11:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:11:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-28 05:11:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-28 05:11:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-28 05:11:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-28 05:11:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-28 05:11:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-28 05:11:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:11:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:11:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:11:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:11:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-28 05:11:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-28 05:11:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:11:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:11:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:11:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:11:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-28 05:11:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-28 05:11:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 05:11:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 05:11:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-28 05:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-28 05:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-28 05:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-28 05:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 05:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 05:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2021-12-28 05:11:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2021-12-28 05:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:11:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:11:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-28 05:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-28 05:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-28 05:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-28 05:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-28 05:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-28 05:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-28 05:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-28 05:11:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:11:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:11:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-28 05:11:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-28 05:11:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:11:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:11:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:11:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:11:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:11:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:11:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 05:11:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 05:11:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 05:11:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 05:11:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-28 05:11:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-28 05:11:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 05:11:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 05:11:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-28 05:11:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-28 05:11:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:11:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-28 05:11:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-28 05:11:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:11:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:11:27,853 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:11:27,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:11:28,662 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:11:33,344 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:11:33,437 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:11:33,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:11:33,458 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 05:11:33,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:33 BoogieIcfgContainer [2021-12-28 05:11:33,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:11:33,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:11:33,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:11:33,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:11:33,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:11:22" (1/3) ... [2021-12-28 05:11:33,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5670d94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:33, skipping insertion in model container [2021-12-28 05:11:33,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:26" (2/3) ... [2021-12-28 05:11:33,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5670d94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:33, skipping insertion in model container [2021-12-28 05:11:33,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:33" (3/3) ... [2021-12-28 05:11:33,466 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-28 05:11:33,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:11:33,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:11:33,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:11:33,521 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:11:33,522 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:11:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 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) [2021-12-28 05:11:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 05:11:33,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:33,609 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:33,609 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:33,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1591897182, now seen corresponding path program 1 times [2021-12-28 05:11:33,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:33,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366569357] [2021-12-28 05:11:33,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:33,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 05:11:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:34,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:34,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366569357] [2021-12-28 05:11:34,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366569357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:34,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:34,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:34,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786383212] [2021-12-28 05:11:34,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:34,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:34,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:34,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:34,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:34,531 INFO L87 Difference]: Start difference. First operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 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) [2021-12-28 05:11:41,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:41,151 INFO L93 Difference]: Finished difference Result 10459 states and 15819 transitions. [2021-12-28 05:11:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:41,153 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 [2021-12-28 05:11:41,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:41,209 INFO L225 Difference]: With dead ends: 10459 [2021-12-28 05:11:41,209 INFO L226 Difference]: Without dead ends: 6994 [2021-12-28 05:11:41,241 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:41,243 INFO L933 BasicCegarLoop]: 5633 mSDtfsCounter, 5610 mSDsluCounter, 6097 mSDsCounter, 0 mSdLazyCounter, 3528 mSolverCounterSat, 2554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6470 SdHoareTripleChecker+Valid, 11730 SdHoareTripleChecker+Invalid, 6082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2554 IncrementalHoareTripleChecker+Valid, 3528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:41,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6470 Valid, 11730 Invalid, 6082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2554 Valid, 3528 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-28 05:11:41,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6994 states. [2021-12-28 05:11:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6994 to 6812. [2021-12-28 05:11:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4709 states have (on average 1.3641962200042472) internal successors, (6424), 4908 states have internal predecessors, (6424), 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) [2021-12-28 05:11:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10100 transitions. [2021-12-28 05:11:41,662 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10100 transitions. Word has length 171 [2021-12-28 05:11:41,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:41,665 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 10100 transitions. [2021-12-28 05:11:41,665 INFO L471 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) [2021-12-28 05:11:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10100 transitions. [2021-12-28 05:11:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 05:11:41,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:41,674 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:41,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:11:41,675 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:41,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1866524445, now seen corresponding path program 1 times [2021-12-28 05:11:41,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:41,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444820406] [2021-12-28 05:11:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:41,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:11:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:42,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:42,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444820406] [2021-12-28 05:11:42,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444820406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:42,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:42,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:42,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358700743] [2021-12-28 05:11:42,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:42,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:42,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:42,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:42,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:42,236 INFO L87 Difference]: Start difference. First operand 6812 states and 10100 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) [2021-12-28 05:11:48,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:48,081 INFO L93 Difference]: Finished difference Result 14880 states and 22109 transitions. [2021-12-28 05:11:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:48,082 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 [2021-12-28 05:11:48,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:48,128 INFO L225 Difference]: With dead ends: 14880 [2021-12-28 05:11:48,128 INFO L226 Difference]: Without dead ends: 8099 [2021-12-28 05:11:48,158 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:48,159 INFO L933 BasicCegarLoop]: 5378 mSDtfsCounter, 3972 mSDsluCounter, 6051 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 2097 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4618 SdHoareTripleChecker+Valid, 11429 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2097 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:48,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4618 Valid, 11429 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2097 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-28 05:11:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2021-12-28 05:11:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7862. [2021-12-28 05:11:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 5422 states have (on average 1.364256731833272) internal successors, (7397), 5640 states have internal predecessors, (7397), 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) [2021-12-28 05:11:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11645 transitions. [2021-12-28 05:11:48,565 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11645 transitions. Word has length 180 [2021-12-28 05:11:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:48,565 INFO L470 AbstractCegarLoop]: Abstraction has 7862 states and 11645 transitions. [2021-12-28 05:11:48,566 INFO L471 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) [2021-12-28 05:11:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11645 transitions. [2021-12-28 05:11:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-28 05:11:48,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:48,569 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:48,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:11:48,570 INFO L402 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)] === [2021-12-28 05:11:48,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:48,570 INFO L85 PathProgramCache]: Analyzing trace with hash -971306681, now seen corresponding path program 1 times [2021-12-28 05:11:48,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:48,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495895898] [2021-12-28 05:11:48,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:48,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 05:11:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:48,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:48,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495895898] [2021-12-28 05:11:48,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495895898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:48,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:48,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:48,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839883208] [2021-12-28 05:11:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:48,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:48,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:48,995 INFO L87 Difference]: Start difference. First operand 7862 states and 11645 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) [2021-12-28 05:11:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:54,471 INFO L93 Difference]: Finished difference Result 20694 states and 30718 transitions. [2021-12-28 05:11:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:54,472 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 [2021-12-28 05:11:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:54,535 INFO L225 Difference]: With dead ends: 20694 [2021-12-28 05:11:54,536 INFO L226 Difference]: Without dead ends: 12863 [2021-12-28 05:11:54,564 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:54,565 INFO L933 BasicCegarLoop]: 5591 mSDtfsCounter, 5355 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6191 SdHoareTripleChecker+Valid, 11655 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:54,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6191 Valid, 11655 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 05:11:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12863 states. [2021-12-28 05:11:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12863 to 12512. [2021-12-28 05:11:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12512 states, 8597 states have (on average 1.364196812841689) internal successors, (11728), 8952 states have internal predecessors, (11728), 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) [2021-12-28 05:11:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18549 transitions. [2021-12-28 05:11:55,056 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18549 transitions. Word has length 181 [2021-12-28 05:11:55,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:55,057 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18549 transitions. [2021-12-28 05:11:55,058 INFO L471 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) [2021-12-28 05:11:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18549 transitions. [2021-12-28 05:11:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-28 05:11:55,061 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:55,061 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:55,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:11:55,062 INFO L402 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)] === [2021-12-28 05:11:55,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:55,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1349082925, now seen corresponding path program 1 times [2021-12-28 05:11:55,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:55,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887976450] [2021-12-28 05:11:55,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:55,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 05:11:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 05:11:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:55,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:55,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887976450] [2021-12-28 05:11:55,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887976450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:55,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:55,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:11:55,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173186535] [2021-12-28 05:11:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:55,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:11:55,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:11:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:11:55,583 INFO L87 Difference]: Start difference. First operand 12512 states and 18549 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) [2021-12-28 05:12:10,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:10,485 INFO L93 Difference]: Finished difference Result 46520 states and 68972 transitions. [2021-12-28 05:12:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:12:10,485 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 [2021-12-28 05:12:10,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:10,638 INFO L225 Difference]: With dead ends: 46520 [2021-12-28 05:12:10,639 INFO L226 Difference]: Without dead ends: 34039 [2021-12-28 05:12:10,694 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:12:10,697 INFO L933 BasicCegarLoop]: 6237 mSDtfsCounter, 10413 mSDsluCounter, 11620 mSDsCounter, 0 mSdLazyCounter, 12171 mSolverCounterSat, 4364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11954 SdHoareTripleChecker+Valid, 17857 SdHoareTripleChecker+Invalid, 16535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4364 IncrementalHoareTripleChecker+Valid, 12171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:10,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11954 Valid, 17857 Invalid, 16535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4364 Valid, 12171 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2021-12-28 05:12:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34039 states. [2021-12-28 05:12:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34039 to 33060. [2021-12-28 05:12:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33060 states, 22731 states have (on average 1.3630284633320136) internal successors, (30983), 23706 states have internal predecessors, (30983), 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) [2021-12-28 05:12:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33060 states to 33060 states and 48948 transitions. [2021-12-28 05:12:11,999 INFO L78 Accepts]: Start accepts. Automaton has 33060 states and 48948 transitions. Word has length 188 [2021-12-28 05:12:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:12,000 INFO L470 AbstractCegarLoop]: Abstraction has 33060 states and 48948 transitions. [2021-12-28 05:12:12,000 INFO L471 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) [2021-12-28 05:12:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 33060 states and 48948 transitions. [2021-12-28 05:12:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-28 05:12:12,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:12,004 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:12:12,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:12:12,004 INFO L402 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)] === [2021-12-28 05:12:12,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:12,004 INFO L85 PathProgramCache]: Analyzing trace with hash -392155911, now seen corresponding path program 1 times [2021-12-28 05:12:12,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:12,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025947350] [2021-12-28 05:12:12,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:12,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:12:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 05:12:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 05:12:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 05:12:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 05:12:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:12:12,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:12,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025947350] [2021-12-28 05:12:12,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025947350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:12,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:12,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:12,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323272919] [2021-12-28 05:12:12,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:12,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:12,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:12,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:12,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:12,405 INFO L87 Difference]: Start difference. First operand 33060 states and 48948 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)