./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-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-3com-3c59x.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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:28:17,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:28:17,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:28:17,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:28:17,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:28:17,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:28:17,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:28:17,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:28:17,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:28:17,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:28:17,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:28:17,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:28:17,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:28:17,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:28:17,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:28:17,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:28:17,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:28:17,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:28:17,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:28:17,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:28:17,765 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:28:17,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:28:17,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:28:17,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:28:17,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:28:17,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:28:17,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:28:17,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:28:17,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:28:17,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:28:17,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:28:17,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:28:17,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:28:17,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:28:17,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:28:17,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:28:17,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:28:17,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:28:17,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:28:17,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:28:17,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:28:17,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:28:17,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:28:17,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:28:17,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:28:17,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:28:17,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:28:17,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:28:17,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:28:17,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:28:17,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:28:17,807 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:28:17,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:28:17,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:28:17,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:28:17,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:28:17,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:28:17,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:28:17,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:17,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:28:17,810 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:28:17,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:28:17,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:28:17,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-07-20 03:28:18,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:28:18,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:28:18,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:28:18,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:28:18,034 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:28:18,035 INFO L432 ainManager$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-3com-3c59x.cil.i [2022-07-20 03:28:18,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086a9c194/5736a3da6a3e4eab88b950f969787585/FLAG30a713f31 [2022-07-20 03:28:18,823 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:28:18,823 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-3com-3c59x.cil.i [2022-07-20 03:28:18,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086a9c194/5736a3da6a3e4eab88b950f969787585/FLAG30a713f31 [2022-07-20 03:28:18,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086a9c194/5736a3da6a3e4eab88b950f969787585 [2022-07-20 03:28:18,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:28:18,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:28:18,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:18,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:28:18,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:28:18,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:18" (1/1) ... [2022-07-20 03:28:18,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b921c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:18, skipping insertion in model container [2022-07-20 03:28:18,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:18" (1/1) ... [2022-07-20 03:28:18,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:28:19,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:28:22,054 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-3com-3c59x.cil.i[462950,462963] [2022-07-20 03:28:22,057 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-3com-3c59x.cil.i[463119,463132] [2022-07-20 03:28:22,058 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-3com-3c59x.cil.i[463286,463299] [2022-07-20 03:28:22,063 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-3com-3c59x.cil.i[463454,463467] [2022-07-20 03:28:22,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:22,138 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:28:22,482 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-3com-3c59x.cil.i[462950,462963] [2022-07-20 03:28:22,483 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-3com-3c59x.cil.i[463119,463132] [2022-07-20 03:28:22,484 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-3com-3c59x.cil.i[463286,463299] [2022-07-20 03:28:22,484 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-3com-3c59x.cil.i[463454,463467] [2022-07-20 03:28:22,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:22,706 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:28:22,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22 WrapperNode [2022-07-20 03:28:22,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:22,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:22,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:28:22,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:28:22,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:22,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,121 INFO L137 Inliner]: procedures = 566, calls = 4377, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 9244 [2022-07-20 03:28:23,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:23,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:28:23,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:28:23,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:28:23,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:28:23,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:28:23,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:28:23,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:28:23,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (1/1) ... [2022-07-20 03:28:23,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:28:23,608 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) [2022-07-20 03:28:23,629 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 [2022-07-20 03:28:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:28:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:28:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:28:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:28:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:28:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:28:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-20 03:28:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-20 03:28:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-20 03:28:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-20 03:28:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:28:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:28:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-07-20 03:28:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-07-20 03:28:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:28:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:28:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:28:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:28:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-20 03:28:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-20 03:28:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-07-20 03:28:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-07-20 03:28:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-20 03:28:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-20 03:28:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 03:28:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 03:28:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-20 03:28:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-20 03:28:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:28:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:28:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 03:28:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 03:28:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-20 03:28:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-20 03:28:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-20 03:28:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-20 03:28:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 03:28:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 03:28:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-07-20 03:28:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-07-20 03:28:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:28:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:28:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:28:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:28:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:28:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-20 03:28:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:28:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-20 03:28:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-20 03:28:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-20 03:28:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:28:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:28:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:28:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:28:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:28:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:28:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 03:28:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 03:28:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:28:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:28:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 03:28:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 03:28:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:28:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:28:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:28:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:28:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 03:28:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 03:28:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:28:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:28:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:28:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:28:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:28:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-20 03:28:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-20 03:28:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 03:28:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 03:28:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:28:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:28:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:28:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:28:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:28:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-20 03:28:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-20 03:28:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-20 03:28:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-20 03:28:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-20 03:28:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-20 03:28:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:28:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:28:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:28:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:28:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:28:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:28:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:28:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:28:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:28:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:28:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-20 03:28:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-20 03:28:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 03:28:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 03:28:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:28:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:28:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:28:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:28:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:28:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:28:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:28:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:28:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-20 03:28:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-20 03:28:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 03:28:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 03:28:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-20 03:28:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-20 03:28:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:28:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:28:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-20 03:28:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-20 03:28:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:28:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:28:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-20 03:28:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-20 03:28:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:28:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:28:23,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:28:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-20 03:28:23,662 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-20 03:28:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:28:23,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:28:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:28:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:28:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 03:28:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 03:28:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:28:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:28:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:28:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:28:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:28:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:28:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:28:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:28:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 03:28:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 03:28:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 03:28:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 03:28:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:28:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:28:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-20 03:28:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-20 03:28:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:28:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:28:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-20 03:28:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-20 03:28:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-20 03:28:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-20 03:28:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:28:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 03:28:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-20 03:28:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-20 03:28:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-20 03:28:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-20 03:28:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:28:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:28:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-20 03:28:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-20 03:28:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:28:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:28:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:28:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:28:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-20 03:28:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-20 03:28:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:28:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:28:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:28:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-20 03:28:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-20 03:28:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-20 03:28:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 03:28:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 03:28:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-20 03:28:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-20 03:28:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 03:28:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 03:28:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-20 03:28:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-20 03:28:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-20 03:28:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-20 03:28:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 03:28:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 03:28:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:28:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:28:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-20 03:28:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-20 03:28:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:28:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:28:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:28:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:28:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:28:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:28:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-20 03:28:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-20 03:28:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:28:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:28:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:28:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:28:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 03:28:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 03:28:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:28:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:28:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 03:28:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 03:28:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:28:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 03:28:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 03:28:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:28:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:28:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:28:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-20 03:28:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-20 03:28:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-20 03:28:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-20 03:28:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-07-20 03:28:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-07-20 03:28:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:28:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:28:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:28:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 03:28:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 03:28:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:28:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:28:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:28:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:28:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:28:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:28:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-07-20 03:28:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-07-20 03:28:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 03:28:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 03:28:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-20 03:28:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-20 03:28:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-07-20 03:28:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-07-20 03:28:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-20 03:28:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-20 03:28:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-20 03:28:23,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-20 03:28:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-20 03:28:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-20 03:28:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:28:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:28:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-20 03:28:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-20 03:28:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:28:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:28:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:28:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:28:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 03:28:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 03:28:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:28:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:28:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-20 03:28:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-20 03:28:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:28:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-20 03:28:23,681 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-20 03:28:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-20 03:28:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-20 03:28:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 03:28:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 03:28:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:28:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:28:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-20 03:28:23,682 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-20 03:28:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-20 03:28:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-20 03:28:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:28:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:28:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-07-20 03:28:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-07-20 03:28:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-07-20 03:28:23,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-07-20 03:28:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-20 03:28:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-20 03:28:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-07-20 03:28:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-07-20 03:28:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:28:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:28:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-20 03:28:23,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-20 03:28:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-20 03:28:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-20 03:28:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:28:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:28:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 03:28:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 03:28:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 03:28:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 03:28:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:28:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:28:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:28:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-20 03:28:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:28:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:28:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:28:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:28:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:28:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:28:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:28:24,655 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:28:24,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:28:25,622 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:28:29,735 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:28:29,821 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:28:29,835 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:28:29,836 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:28:29,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:28:29 BoogieIcfgContainer [2022-07-20 03:28:29,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:28:29,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:28:29,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:28:29,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:28:29,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:28:18" (1/3) ... [2022-07-20 03:28:29,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2148af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:28:29, skipping insertion in model container [2022-07-20 03:28:29,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:22" (2/3) ... [2022-07-20 03:28:29,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2148af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:28:29, skipping insertion in model container [2022-07-20 03:28:29,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:28:29" (3/3) ... [2022-07-20 03:28:29,845 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-20 03:28:29,854 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:28:29,854 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:28:29,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:28:29,924 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@97a9989, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7889c52b [2022-07-20 03:28:29,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:28:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2022-07-20 03:28:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-20 03:28:29,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:29,951 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:29,952 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)] === [2022-07-20 03:28:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1855056052, now seen corresponding path program 1 times [2022-07-20 03:28:29,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:29,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896476767] [2022-07-20 03:28:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:28:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:28:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:28:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:28:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:28:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 03:28:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-20 03:28:31,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:31,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896476767] [2022-07-20 03:28:31,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896476767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:31,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:31,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:31,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110267434] [2022-07-20 03:28:31,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:31,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:31,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:31,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:31,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:31,153 INFO L87 Difference]: Start difference. First operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 03:28:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:36,422 INFO L93 Difference]: Finished difference Result 9552 states and 14492 transitions. [2022-07-20 03:28:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:36,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2022-07-20 03:28:36,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:36,478 INFO L225 Difference]: With dead ends: 9552 [2022-07-20 03:28:36,478 INFO L226 Difference]: Without dead ends: 6344 [2022-07-20 03:28:36,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:36,509 INFO L413 NwaCegarLoop]: 4942 mSDtfsCounter, 5214 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5919 SdHoareTripleChecker+Valid, 10144 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:36,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5919 Valid, 10144 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 03:28:36,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-07-20 03:28:36,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6281. [2022-07-20 03:28:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6281 states, 4455 states have (on average 1.342087542087542) internal successors, (5979), 4596 states have internal predecessors, (5979), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-07-20 03:28:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 9025 transitions. [2022-07-20 03:28:36,920 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 9025 transitions. Word has length 215 [2022-07-20 03:28:36,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:36,923 INFO L495 AbstractCegarLoop]: Abstraction has 6281 states and 9025 transitions. [2022-07-20 03:28:36,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 03:28:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 9025 transitions. [2022-07-20 03:28:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 03:28:36,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:36,932 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:36,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:28:36,932 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)] === [2022-07-20 03:28:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1497569863, now seen corresponding path program 1 times [2022-07-20 03:28:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:36,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995624721] [2022-07-20 03:28:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:28:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:28:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:28:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:28:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:28:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:28:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:28:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-20 03:28:37,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:37,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995624721] [2022-07-20 03:28:37,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995624721] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:37,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:37,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077141148] [2022-07-20 03:28:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:37,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:37,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:37,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:37,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:37,430 INFO L87 Difference]: Start difference. First operand 6281 states and 9025 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:28:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:42,586 INFO L93 Difference]: Finished difference Result 18543 states and 26868 transitions. [2022-07-20 03:28:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:42,586 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2022-07-20 03:28:42,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:42,666 INFO L225 Difference]: With dead ends: 18543 [2022-07-20 03:28:42,667 INFO L226 Difference]: Without dead ends: 12301 [2022-07-20 03:28:42,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:42,701 INFO L413 NwaCegarLoop]: 4977 mSDtfsCounter, 5107 mSDsluCounter, 5271 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 10248 SdHoareTripleChecker+Invalid, 5399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:42,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 10248 Invalid, 5399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2260 Valid, 3139 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 03:28:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12301 states. [2022-07-20 03:28:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12301 to 12164. [2022-07-20 03:28:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12164 states, 8649 states have (on average 1.3400393109029947) internal successors, (11590), 8920 states have internal predecessors, (11590), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2022-07-20 03:28:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 17549 transitions. [2022-07-20 03:28:43,163 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 17549 transitions. Word has length 224 [2022-07-20 03:28:43,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:43,165 INFO L495 AbstractCegarLoop]: Abstraction has 12164 states and 17549 transitions. [2022-07-20 03:28:43,165 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:28:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 17549 transitions. [2022-07-20 03:28:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 03:28:43,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:43,172 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:43,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:28:43,173 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)] === [2022-07-20 03:28:43,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1622315303, now seen corresponding path program 1 times [2022-07-20 03:28:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:43,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588828362] [2022-07-20 03:28:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:28:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:28:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:28:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:28:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:28:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:28:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:28:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 03:28:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-20 03:28:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588828362] [2022-07-20 03:28:43,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588828362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:43,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:43,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:43,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666385959] [2022-07-20 03:28:43,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:43,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:43,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:43,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:43,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:43,875 INFO L87 Difference]: Start difference. First operand 12164 states and 17549 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:28:49,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:49,192 INFO L93 Difference]: Finished difference Result 31609 states and 45624 transitions. [2022-07-20 03:28:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:49,192 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2022-07-20 03:28:49,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:49,281 INFO L225 Difference]: With dead ends: 31609 [2022-07-20 03:28:49,282 INFO L226 Difference]: Without dead ends: 19484 [2022-07-20 03:28:49,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:49,335 INFO L413 NwaCegarLoop]: 5435 mSDtfsCounter, 5064 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5753 SdHoareTripleChecker+Valid, 11031 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:49,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5753 Valid, 11031 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 3280 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 03:28:49,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2022-07-20 03:28:49,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19265. [2022-07-20 03:28:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19265 states, 13652 states have (on average 1.3319660123058892) internal successors, (18184), 14079 states have internal predecessors, (18184), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2022-07-20 03:28:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 27553 transitions. [2022-07-20 03:28:50,032 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 27553 transitions. Word has length 236 [2022-07-20 03:28:50,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:50,033 INFO L495 AbstractCegarLoop]: Abstraction has 19265 states and 27553 transitions. [2022-07-20 03:28:50,033 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:28:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 27553 transitions. [2022-07-20 03:28:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-20 03:28:50,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:50,039 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:50,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:28:50,039 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)] === [2022-07-20 03:28:50,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:50,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1270839542, now seen corresponding path program 1 times [2022-07-20 03:28:50,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:50,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742849625] [2022-07-20 03:28:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:50,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:28:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:28:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:28:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:28:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:28:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 03:28:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 03:28:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 03:28:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-20 03:28:50,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:50,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742849625] [2022-07-20 03:28:50,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742849625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:50,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:50,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:50,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114986099] [2022-07-20 03:28:50,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:50,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:50,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:50,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:50,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:50,480 INFO L87 Difference]: Start difference. First operand 19265 states and 27553 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:28:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:28:56,217 INFO L93 Difference]: Finished difference Result 56775 states and 81470 transitions. [2022-07-20 03:28:56,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:28:56,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-07-20 03:28:56,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:28:56,381 INFO L225 Difference]: With dead ends: 56775 [2022-07-20 03:28:56,381 INFO L226 Difference]: Without dead ends: 37549 [2022-07-20 03:28:56,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:28:56,457 INFO L413 NwaCegarLoop]: 5871 mSDtfsCounter, 4728 mSDsluCounter, 5605 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5410 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 5356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:28:56,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5410 Valid, 11476 Invalid, 5356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-20 03:28:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37549 states. [2022-07-20 03:28:57,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37549 to 37134. [2022-07-20 03:28:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37134 states, 26282 states have (on average 1.3313674758389773) internal successors, (34991), 27128 states have internal predecessors, (34991), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2022-07-20 03:28:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37134 states to 37134 states and 52983 transitions. [2022-07-20 03:28:57,797 INFO L78 Accepts]: Start accepts. Automaton has 37134 states and 52983 transitions. Word has length 237 [2022-07-20 03:28:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:28:57,798 INFO L495 AbstractCegarLoop]: Abstraction has 37134 states and 52983 transitions. [2022-07-20 03:28:57,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 03:28:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 37134 states and 52983 transitions. [2022-07-20 03:28:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 03:28:57,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:28:57,804 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:28:57,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:28:57,805 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)] === [2022-07-20 03:28:57,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:28:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1405291788, now seen corresponding path program 1 times [2022-07-20 03:28:57,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:28:57,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189842867] [2022-07-20 03:28:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:28:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:28:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:28:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:28:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:28:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:28:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:28:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:28:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:28:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:28:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:28:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:28:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:28:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:28:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:28:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:28:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:28:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:28:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:28:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:28:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:28:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:28:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:28:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:28:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 03:28:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:28:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-07-20 03:28:58,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:28:58,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189842867] [2022-07-20 03:28:58,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189842867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:28:58,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:28:58,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:28:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79144220] [2022-07-20 03:28:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:28:58,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:28:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:28:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:28:58,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:28:58,248 INFO L87 Difference]: Start difference. First operand 37134 states and 52983 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 03:29:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:04,048 INFO L93 Difference]: Finished difference Result 98446 states and 140298 transitions. [2022-07-20 03:29:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:29:04,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-20 03:29:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:04,438 INFO L225 Difference]: With dead ends: 98446 [2022-07-20 03:29:04,438 INFO L226 Difference]: Without dead ends: 61351 [2022-07-20 03:29:04,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:04,612 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 4789 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5445 SdHoareTripleChecker+Valid, 10019 SdHoareTripleChecker+Invalid, 5391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:04,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5445 Valid, 10019 Invalid, 5391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 03:29:04,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61351 states. [2022-07-20 03:29:05,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61351 to 60626. [2022-07-20 03:29:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60626 states, 42774 states have (on average 1.3273250105204095) internal successors, (56775), 44102 states have internal predecessors, (56775), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2022-07-20 03:29:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60626 states to 60626 states and 85909 transitions. [2022-07-20 03:29:06,704 INFO L78 Accepts]: Start accepts. Automaton has 60626 states and 85909 transitions. Word has length 238 [2022-07-20 03:29:06,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:06,705 INFO L495 AbstractCegarLoop]: Abstraction has 60626 states and 85909 transitions. [2022-07-20 03:29:06,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 03:29:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 60626 states and 85909 transitions. [2022-07-20 03:29:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 03:29:06,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:06,710 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:06,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:29:06,711 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)] === [2022-07-20 03:29:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash 425377854, now seen corresponding path program 1 times [2022-07-20 03:29:06,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:06,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708608260] [2022-07-20 03:29:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:06,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:29:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:29:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:29:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:29:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 03:29:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:29:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 03:29:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:29:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 03:29:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-20 03:29:07,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:07,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708608260] [2022-07-20 03:29:07,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708608260] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:07,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:07,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:29:07,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007978548] [2022-07-20 03:29:07,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:07,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:29:07,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:07,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:29:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:29:07,379 INFO L87 Difference]: Start difference. First operand 60626 states and 85909 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 03:29:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:14,772 INFO L93 Difference]: Finished difference Result 172482 states and 244801 transitions. [2022-07-20 03:29:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:29:14,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 262 [2022-07-20 03:29:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:15,481 INFO L225 Difference]: With dead ends: 172482 [2022-07-20 03:29:15,481 INFO L226 Difference]: Without dead ends: 111895 [2022-07-20 03:29:15,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:15,758 INFO L413 NwaCegarLoop]: 5496 mSDtfsCounter, 5066 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 2131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5768 SdHoareTripleChecker+Valid, 11043 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:15,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5768 Valid, 11043 Invalid, 5394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 03:29:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111895 states. [2022-07-20 03:29:19,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111895 to 110577. [2022-07-20 03:29:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110577 states, 78066 states have (on average 1.3266338739015704) internal successors, (103565), 80520 states have internal predecessors, (103565), 25962 states have call successors, (25962), 6567 states have call predecessors, (25962), 6546 states have return successors, (26798), 25136 states have call predecessors, (26798), 25958 states have call successors, (26798) [2022-07-20 03:29:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110577 states to 110577 states and 156325 transitions. [2022-07-20 03:29:19,719 INFO L78 Accepts]: Start accepts. Automaton has 110577 states and 156325 transitions. Word has length 262 [2022-07-20 03:29:19,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:19,720 INFO L495 AbstractCegarLoop]: Abstraction has 110577 states and 156325 transitions. [2022-07-20 03:29:19,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 03:29:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 110577 states and 156325 transitions. [2022-07-20 03:29:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-20 03:29:19,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:19,724 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:19,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:29:19,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-20 03:29:19,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:19,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2038930234, now seen corresponding path program 1 times [2022-07-20 03:29:19,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:29:19,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54598121] [2022-07-20 03:29:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:29:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:29:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:29:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:29:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:29:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:29:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:29:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:29:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:29:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:29:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:29:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:29:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:29:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:29:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:29:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:29:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:29:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:29:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 03:29:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:29:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 03:29:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:29:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 03:29:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:29:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 03:29:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 03:29:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 03:29:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-20 03:29:20,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:29:20,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54598121] [2022-07-20 03:29:20,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54598121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:20,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:20,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:29:20,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850297096] [2022-07-20 03:29:20,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:20,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:29:20,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:29:20,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:29:20,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:29:20,373 INFO L87 Difference]: Start difference. First operand 110577 states and 156325 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 03:29:36,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:36,043 INFO L93 Difference]: Finished difference Result 444763 states and 630895 transitions. [2022-07-20 03:29:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:29:36,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 278 [2022-07-20 03:29:36,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:37,958 INFO L225 Difference]: With dead ends: 444763 [2022-07-20 03:29:37,958 INFO L226 Difference]: Without dead ends: 334344 [2022-07-20 03:29:38,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:29:38,733 INFO L413 NwaCegarLoop]: 6327 mSDtfsCounter, 9554 mSDsluCounter, 8993 mSDsCounter, 0 mSdLazyCounter, 7128 mSolverCounterSat, 3461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10777 SdHoareTripleChecker+Valid, 15320 SdHoareTripleChecker+Invalid, 10589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3461 IncrementalHoareTripleChecker+Valid, 7128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:38,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10777 Valid, 15320 Invalid, 10589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3461 Valid, 7128 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-07-20 03:29:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334344 states. [2022-07-20 03:29:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334344 to 330705. [2022-07-20 03:29:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330705 states, 233526 states have (on average 1.3267002389455564) internal successors, (309819), 240820 states have internal predecessors, (309819), 77626 states have call successors, (77626), 19659 states have call predecessors, (77626), 19550 states have return successors, (79966), 75166 states have call predecessors, (79966), 77622 states have call successors, (79966)