./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:09:33,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:09:33,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:09:33,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:09:33,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:09:33,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:09:33,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:09:33,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:09:33,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:09:33,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:09:33,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:09:33,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:09:33,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:09:33,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:09:33,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:09:33,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:09:33,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:09:33,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:09:33,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:09:33,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:09:33,609 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:09:33,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:09:33,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:09:33,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:09:33,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:09:33,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:09:33,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:09:33,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:09:33,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:09:33,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:09:33,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:09:33,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:09:33,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:09:33,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:09:33,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:09:33,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:09:33,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:09:33,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:09:33,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:09:33,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:09:33,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:09:33,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:09:33,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:09:33,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:09:33,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:09:33,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:09:33,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:09:33,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:09:33,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:09:33,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:09:33,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:09:33,645 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:09:33,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:09:33,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:09:33,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:09:33,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:09:33,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:09:33,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:09:33,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:33,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:09:33,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:09:33,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:09:33,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-07-14 04:09:33,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:09:33,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:09:33,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:09:33,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:09:33,874 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:09:33,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-14 04:09:33,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84db42f6/ea3ccd3b08444eb08011e4404f3b11df/FLAG1440491b1 [2022-07-14 04:09:34,575 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:09:34,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-14 04:09:34,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84db42f6/ea3ccd3b08444eb08011e4404f3b11df/FLAG1440491b1 [2022-07-14 04:09:34,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84db42f6/ea3ccd3b08444eb08011e4404f3b11df [2022-07-14 04:09:34,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:09:34,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:09:34,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:34,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:09:34,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:09:34,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:34" (1/1) ... [2022-07-14 04:09:34,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d5c742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:34, skipping insertion in model container [2022-07-14 04:09:34,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:34" (1/1) ... [2022-07-14 04:09:34,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:09:34,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:09:37,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-14 04:09:37,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-14 04:09:37,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-14 04:09:37,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-14 04:09:37,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:37,434 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:09:37,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-07-14 04:09:37,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-07-14 04:09:37,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-07-14 04:09:37,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-07-14 04:09:37,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:38,108 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:09:38,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38 WrapperNode [2022-07-14 04:09:38,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:38,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:38,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:09:38,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:09:38,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,503 INFO L137 Inliner]: procedures = 567, calls = 5328, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 12149 [2022-07-14 04:09:38,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:38,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:09:38,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:09:38,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:09:38,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:09:38,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:09:38,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:09:38,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:09:38,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (1/1) ... [2022-07-14 04:09:38,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:09:39,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:09:39,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:09:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-14 04:09:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-14 04:09:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-14 04:09:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-14 04:09:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:09:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:09:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:09:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:09:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:09:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:09:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:09:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:09:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-14 04:09:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-14 04:09:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-14 04:09:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-14 04:09:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:09:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:09:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 04:09:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 04:09:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:09:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:09:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 04:09:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 04:09:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:09:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:09:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 04:09:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 04:09:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 04:09:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 04:09:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 04:09:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 04:09:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:09:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:09:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-14 04:09:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-14 04:09:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:09:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:09:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:09:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:09:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:09:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:09:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-14 04:09:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-14 04:09:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:09:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:09:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 04:09:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 04:09:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:09:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:09:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:09:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:09:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:09:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:09:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 04:09:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 04:09:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:09:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-14 04:09:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-14 04:09:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-07-14 04:09:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-07-14 04:09:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-14 04:09:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-14 04:09:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 04:09:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 04:09:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-14 04:09:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-14 04:09:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:09:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:09:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-14 04:09:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-14 04:09:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-14 04:09:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-14 04:09:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-14 04:09:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-14 04:09:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:09:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-14 04:09:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-14 04:09:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-14 04:09:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-14 04:09:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:09:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:09:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:09:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:09:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:09:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:09:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:09:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:09:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-14 04:09:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-14 04:09:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:09:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:09:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:09:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:09:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:09:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:09:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:09:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:09:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-14 04:09:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-14 04:09:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:09:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:09:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:09:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:09:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-14 04:09:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-14 04:09:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-14 04:09:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-14 04:09:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:09:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:09:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:09:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:09:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:09:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:09:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:09:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:09:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:09:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:09:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:09:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:09:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:09:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:09:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:09:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-14 04:09:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-14 04:09:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-14 04:09:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-14 04:09:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 04:09:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 04:09:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-14 04:09:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-14 04:09:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:09:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:09:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:09:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:09:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:09:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:09:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:09:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:09:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-14 04:09:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-14 04:09:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:09:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:09:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-14 04:09:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-14 04:09:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:09:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:09:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-14 04:09:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-14 04:09:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:09:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:09:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:09:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:09:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-14 04:09:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-14 04:09:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 04:09:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 04:09:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-14 04:09:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-14 04:09:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:09:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:09:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-14 04:09:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-14 04:09:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-14 04:09:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-14 04:09:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:09:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:09:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-14 04:09:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-14 04:09:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-14 04:09:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-14 04:09:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:09:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:09:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-14 04:09:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-14 04:09:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-14 04:09:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-14 04:09:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:09:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:09:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:09:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:09:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-14 04:09:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-14 04:09:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 04:09:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 04:09:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:09:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:09:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:09:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-14 04:09:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-14 04:09:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:09:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:09:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:09:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 04:09:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 04:09:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 04:09:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 04:09:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 04:09:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 04:09:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:09:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-14 04:09:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-14 04:09:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-14 04:09:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-14 04:09:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-14 04:09:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-14 04:09:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:09:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:09:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 04:09:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 04:09:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-14 04:09:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-14 04:09:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:09:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:09:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 04:09:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 04:09:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-14 04:09:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-14 04:09:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 04:09:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 04:09:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-14 04:09:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-14 04:09:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-14 04:09:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-14 04:09:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:09:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:09:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:09:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:09:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 04:09:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 04:09:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-07-14 04:09:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-07-14 04:09:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:09:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:09:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:09:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:09:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:09:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-14 04:09:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-14 04:09:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:09:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:09:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-14 04:09:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-14 04:09:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-14 04:09:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-14 04:09:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-14 04:09:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-14 04:09:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:09:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:09:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-14 04:09:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-14 04:09:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:09:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:09:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:09:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:09:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:09:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:09:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:09:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:09:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 04:09:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 04:09:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-14 04:09:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-14 04:09:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:09:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:09:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-14 04:09:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-14 04:09:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:09:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-14 04:09:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-14 04:09:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:09:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:09:40,130 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:09:40,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:09:40,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:09:46,103 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:09:46,216 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:09:46,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:09:46,245 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 04:09:46,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:09:46 BoogieIcfgContainer [2022-07-14 04:09:46,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:09:46,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:09:46,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:09:46,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:09:46,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:09:34" (1/3) ... [2022-07-14 04:09:46,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7662f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:09:46, skipping insertion in model container [2022-07-14 04:09:46,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:38" (2/3) ... [2022-07-14 04:09:46,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7662f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:09:46, skipping insertion in model container [2022-07-14 04:09:46,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:09:46" (3/3) ... [2022-07-14 04:09:46,256 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-14 04:09:46,266 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:09:46,266 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:09:46,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:09:46,355 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c67e639, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@19191834 [2022-07-14 04:09:46,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:09:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2022-07-14 04:09:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-14 04:09:46,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:46,383 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:09:46,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:09:46,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2081427451, now seen corresponding path program 1 times [2022-07-14 04:09:46,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:09:46,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976683754] [2022-07-14 04:09:46,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:09:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:09:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:09:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:09:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:09:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:09:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:09:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:09:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:09:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:09:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:09:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:09:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:09:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:09:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:09:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 04:09:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:09:47,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:09:47,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976683754] [2022-07-14 04:09:47,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976683754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:47,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:47,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:09:47,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766291787] [2022-07-14 04:09:47,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:47,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:09:47,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:09:47,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:09:47,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:09:47,558 INFO L87 Difference]: Start difference. First operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:09:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:53,577 INFO L93 Difference]: Finished difference Result 11501 states and 17923 transitions. [2022-07-14 04:09:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:09:53,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-07-14 04:09:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:53,690 INFO L225 Difference]: With dead ends: 11501 [2022-07-14 04:09:53,691 INFO L226 Difference]: Without dead ends: 7692 [2022-07-14 04:09:53,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:09:53,727 INFO L413 NwaCegarLoop]: 6113 mSDtfsCounter, 6349 mSDsluCounter, 6857 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 2550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7208 SdHoareTripleChecker+Valid, 12970 SdHoareTripleChecker+Invalid, 6161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2550 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:53,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7208 Valid, 12970 Invalid, 6161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2550 Valid, 3611 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-14 04:09:53,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-14 04:09:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7500. [2022-07-14 04:09:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5397 states have (on average 1.3666851954789698) internal successors, (7376), 5596 states have internal predecessors, (7376), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2022-07-14 04:09:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 11052 transitions. [2022-07-14 04:09:54,170 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 11052 transitions. Word has length 171 [2022-07-14 04:09:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:54,173 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 11052 transitions. [2022-07-14 04:09:54,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:09:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 11052 transitions. [2022-07-14 04:09:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-14 04:09:54,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:54,182 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:09:54,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:09:54,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:09:54,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:54,183 INFO L85 PathProgramCache]: Analyzing trace with hash -39637302, now seen corresponding path program 1 times [2022-07-14 04:09:54,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:09:54,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151262624] [2022-07-14 04:09:54,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:09:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:09:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:09:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:09:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:09:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:09:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:09:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:09:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:09:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:09:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:09:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:09:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:09:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:09:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:09:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:09:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:09:54,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:09:54,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151262624] [2022-07-14 04:09:54,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151262624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:54,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:54,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:09:54,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404435892] [2022-07-14 04:09:54,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:54,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:09:54,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:09:54,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:09:54,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:09:54,714 INFO L87 Difference]: Start difference. First operand 7500 states and 11052 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:10:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:00,496 INFO L93 Difference]: Finished difference Result 16299 states and 24072 transitions. [2022-07-14 04:10:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:10:00,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-07-14 04:10:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:00,549 INFO L225 Difference]: With dead ends: 16299 [2022-07-14 04:10:00,550 INFO L226 Difference]: Without dead ends: 8830 [2022-07-14 04:10:00,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:10:00,589 INFO L413 NwaCegarLoop]: 5855 mSDtfsCounter, 4432 mSDsluCounter, 6795 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 12650 SdHoareTripleChecker+Invalid, 5464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2099 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:00,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5078 Valid, 12650 Invalid, 5464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2099 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-14 04:10:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2022-07-14 04:10:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8578. [2022-07-14 04:10:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 6138 states have (on average 1.3664059954382535) internal successors, (8387), 6356 states have internal predecessors, (8387), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-07-14 04:10:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 12635 transitions. [2022-07-14 04:10:01,082 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 12635 transitions. Word has length 180 [2022-07-14 04:10:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:01,084 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 12635 transitions. [2022-07-14 04:10:01,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:10:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 12635 transitions. [2022-07-14 04:10:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-14 04:10:01,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:01,087 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:10:01,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1808562919, now seen corresponding path program 1 times [2022-07-14 04:10:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:10:01,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91764842] [2022-07-14 04:10:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:10:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:10:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:10:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:10:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:10:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:10:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:10:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:10:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:10:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:10:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:10:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:10:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:10:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:10:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:10:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:10:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:10:01,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:10:01,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91764842] [2022-07-14 04:10:01,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91764842] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:01,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:01,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:10:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167160350] [2022-07-14 04:10:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:01,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:10:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:10:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:10:01,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:10:01,496 INFO L87 Difference]: Start difference. First operand 8578 states and 12635 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:10:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:06,959 INFO L93 Difference]: Finished difference Result 22577 states and 33326 transitions. [2022-07-14 04:10:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:10:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2022-07-14 04:10:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:07,105 INFO L225 Difference]: With dead ends: 22577 [2022-07-14 04:10:07,106 INFO L226 Difference]: Without dead ends: 14030 [2022-07-14 04:10:07,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:10:07,143 INFO L413 NwaCegarLoop]: 6068 mSDtfsCounter, 6082 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6917 SdHoareTripleChecker+Valid, 12880 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:07,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6917 Valid, 12880 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-14 04:10:07,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2022-07-14 04:10:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13654. [2022-07-14 04:10:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 9739 states have (on average 1.36677276927816) internal successors, (13311), 10094 states have internal predecessors, (13311), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2022-07-14 04:10:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 20132 transitions. [2022-07-14 04:10:07,921 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 20132 transitions. Word has length 181 [2022-07-14 04:10:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:07,922 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 20132 transitions. [2022-07-14 04:10:07,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 04:10:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 20132 transitions. [2022-07-14 04:10:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-14 04:10:07,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:07,926 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:07,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:10:07,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:07,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1455780988, now seen corresponding path program 1 times [2022-07-14 04:10:07,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:10:07,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590182421] [2022-07-14 04:10:07,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:07,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:10:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:10:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:10:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:10:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:10:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:10:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:10:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:10:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:10:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:10:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:10:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:10:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:10:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:10:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:10:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 04:10:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-14 04:10:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:10:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:10:08,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590182421] [2022-07-14 04:10:08,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590182421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:08,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:08,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:10:08,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144992414] [2022-07-14 04:10:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:08,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:10:08,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:10:08,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:10:08,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:10:08,280 INFO L87 Difference]: Start difference. First operand 13654 states and 20132 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 04:10:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:21,142 INFO L93 Difference]: Finished difference Result 50875 states and 75007 transitions. [2022-07-14 04:10:21,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:10:21,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-07-14 04:10:21,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:21,288 INFO L225 Difference]: With dead ends: 50875 [2022-07-14 04:10:21,289 INFO L226 Difference]: Without dead ends: 37252 [2022-07-14 04:10:21,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:10:21,340 INFO L413 NwaCegarLoop]: 6703 mSDtfsCounter, 11754 mSDsluCounter, 13148 mSDsCounter, 0 mSdLazyCounter, 12458 mSolverCounterSat, 4349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13295 SdHoareTripleChecker+Valid, 19851 SdHoareTripleChecker+Invalid, 16807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:21,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13295 Valid, 19851 Invalid, 16807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12458 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-07-14 04:10:21,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37252 states. [2022-07-14 04:10:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37252 to 36208. [2022-07-14 04:10:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36208 states, 25879 states have (on average 1.3657405618455118) internal successors, (35344), 26854 states have internal predecessors, (35344), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2022-07-14 04:10:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36208 states to 36208 states and 53309 transitions. [2022-07-14 04:10:22,807 INFO L78 Accepts]: Start accepts. Automaton has 36208 states and 53309 transitions. Word has length 188 [2022-07-14 04:10:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:22,809 INFO L495 AbstractCegarLoop]: Abstraction has 36208 states and 53309 transitions. [2022-07-14 04:10:22,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 04:10:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 36208 states and 53309 transitions. [2022-07-14 04:10:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-14 04:10:22,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:22,813 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:22,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:10:22,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash 251480147, now seen corresponding path program 1 times [2022-07-14 04:10:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:10:22,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058565868] [2022-07-14 04:10:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:10:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:10:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:10:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:10:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:10:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:10:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:10:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:10:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:10:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:10:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:10:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:10:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:10:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:10:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:10:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-14 04:10:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-14 04:10:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 04:10:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 04:10:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 04:10:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:10:23,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:10:23,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058565868] [2022-07-14 04:10:23,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058565868] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:23,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:23,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:10:23,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484797228] [2022-07-14 04:10:23,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:23,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:10:23,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:10:23,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:10:23,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:10:23,366 INFO L87 Difference]: Start difference. First operand 36208 states and 53309 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 04:10:30,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:30,067 INFO L93 Difference]: Finished difference Result 105017 states and 154637 transitions. [2022-07-14 04:10:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:10:30,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-07-14 04:10:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:30,581 INFO L225 Difference]: With dead ends: 105017 [2022-07-14 04:10:30,582 INFO L226 Difference]: Without dead ends: 68840 [2022-07-14 04:10:30,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:10:30,697 INFO L413 NwaCegarLoop]: 6387 mSDtfsCounter, 6349 mSDsluCounter, 7034 mSDsCounter, 0 mSdLazyCounter, 3593 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7202 SdHoareTripleChecker+Valid, 13421 SdHoareTripleChecker+Invalid, 6128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 3593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:30,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7202 Valid, 13421 Invalid, 6128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2535 Valid, 3593 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-14 04:10:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68840 states. [2022-07-14 04:10:33,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68840 to 66947. [2022-07-14 04:10:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66947 states, 47890 states have (on average 1.3633743996659011) internal successors, (65292), 49703 states have internal predecessors, (65292), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2022-07-14 04:10:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66947 states to 66947 states and 98363 transitions. [2022-07-14 04:10:33,760 INFO L78 Accepts]: Start accepts. Automaton has 66947 states and 98363 transitions. Word has length 196 [2022-07-14 04:10:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:33,761 INFO L495 AbstractCegarLoop]: Abstraction has 66947 states and 98363 transitions. [2022-07-14 04:10:33,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 04:10:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 66947 states and 98363 transitions. [2022-07-14 04:10:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-14 04:10:33,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:33,764 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:33,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:10:33,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:33,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:33,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1088846815, now seen corresponding path program 1 times [2022-07-14 04:10:33,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:10:33,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815471811] [2022-07-14 04:10:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:33,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:10:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:10:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:10:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:10:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:10:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:10:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:10:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:10:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:10:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:10:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:10:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:10:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:10:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:10:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:10:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 04:10:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:10:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 04:10:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:10:34,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:10:34,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815471811] [2022-07-14 04:10:34,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815471811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:34,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:34,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:10:34,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337732525] [2022-07-14 04:10:34,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:34,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:10:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:10:34,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:10:34,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:10:34,261 INFO L87 Difference]: Start difference. First operand 66947 states and 98363 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:10:41,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:41,946 INFO L93 Difference]: Finished difference Result 203204 states and 298952 transitions. [2022-07-14 04:10:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:10:41,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-14 04:10:41,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:42,992 INFO L225 Difference]: With dead ends: 203204 [2022-07-14 04:10:42,993 INFO L226 Difference]: Without dead ends: 136288 [2022-07-14 04:10:43,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:10:43,175 INFO L413 NwaCegarLoop]: 6128 mSDtfsCounter, 6367 mSDsluCounter, 6877 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 2599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7230 SdHoareTripleChecker+Valid, 13005 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:43,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7230 Valid, 13005 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2599 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-14 04:10:43,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136288 states. [2022-07-14 04:10:47,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136288 to 132533. [2022-07-14 04:10:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132533 states, 94858 states have (on average 1.3633641864681945) internal successors, (129326), 98483 states have internal predecessors, (129326), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30663 states have call predecessors, (32788), 32581 states have call successors, (32788) [2022-07-14 04:10:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132533 states to 132533 states and 194699 transitions. [2022-07-14 04:10:48,665 INFO L78 Accepts]: Start accepts. Automaton has 132533 states and 194699 transitions. Word has length 194 [2022-07-14 04:10:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:48,668 INFO L495 AbstractCegarLoop]: Abstraction has 132533 states and 194699 transitions. [2022-07-14 04:10:48,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:10:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 132533 states and 194699 transitions. [2022-07-14 04:10:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-14 04:10:48,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:48,673 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:10:48,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:10:48,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:48,674 INFO L85 PathProgramCache]: Analyzing trace with hash -303956428, now seen corresponding path program 1 times [2022-07-14 04:10:48,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:10:48,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776551590] [2022-07-14 04:10:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:10:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:10:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:10:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:10:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:10:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:10:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:10:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:10:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:10:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:10:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:10:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:10:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:10:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:10:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:10:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:10:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 04:10:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:10:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 04:10:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:10:49,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:10:49,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776551590] [2022-07-14 04:10:49,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776551590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:49,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:49,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:10:49,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788150644] [2022-07-14 04:10:49,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:49,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:10:49,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:10:49,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:10:49,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:10:49,063 INFO L87 Difference]: Start difference. First operand 132533 states and 194699 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 04:11:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:11:00,194 INFO L93 Difference]: Finished difference Result 395345 states and 583247 transitions. [2022-07-14 04:11:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:11:00,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-14 04:11:00,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:11:01,984 INFO L225 Difference]: With dead ends: 395345 [2022-07-14 04:11:01,985 INFO L226 Difference]: Without dead ends: 262843 [2022-07-14 04:11:02,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:11:02,767 INFO L413 NwaCegarLoop]: 6327 mSDtfsCounter, 6302 mSDsluCounter, 6934 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7141 SdHoareTripleChecker+Valid, 13261 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:11:02,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7141 Valid, 13261 Invalid, 6075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2540 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-14 04:11:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262843 states. [2022-07-14 04:11:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262843 to 256288. [2022-07-14 04:11:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256288 states, 183822 states have (on average 1.3669528130474045) internal successors, (251276), 190894 states have internal predecessors, (251276), 62646 states have call successors, (62646), 9878 states have call predecessors, (62646), 9817 states have return successors, (64182), 58781 states have call predecessors, (64182), 62642 states have call successors, (64182)