./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc --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 bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:03:04,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:03:04,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:03:04,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:03:04,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:03:04,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:03:04,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:03:04,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:03:04,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:03:04,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:03:04,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:03:04,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:03:04,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:03:04,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:03:04,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:03:04,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:03:04,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:03:04,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:03:04,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:03:04,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:03:04,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:03:04,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:03:04,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:03:04,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:03:04,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:03:04,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:03:04,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:03:04,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:03:04,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:03:04,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:03:04,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:03:04,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:03:04,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:03:04,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:03:04,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:03:04,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:03:04,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:03:04,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:03:04,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:03:04,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:03:04,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:03:04,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:03:04,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:03:04,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:03:04,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:03:04,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:03:04,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:03:04,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:03:04,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:03:04,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:03:04,870 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:03:04,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:03:04,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:03:04,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:03:04,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:03:04,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:03:04,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:03:04,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:03:04,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:03:04,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:03:04,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:03:04,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:03:04,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:03:04,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:03:04,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:03:04,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:03:04,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:03:04,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:03:04,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:03:04,876 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:03:04,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:03:04,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:03:04,877 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2022-11-02 21:03:05,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:03:05,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:03:05,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:03:05,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:03:05,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:03:05,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2022-11-02 21:03:05,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/data/5ba652975/8028488466794716aa03926abdbf773d/FLAG5f7d077be [2022-11-02 21:03:06,348 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:03:06,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2022-11-02 21:03:06,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/data/5ba652975/8028488466794716aa03926abdbf773d/FLAG5f7d077be [2022-11-02 21:03:06,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/data/5ba652975/8028488466794716aa03926abdbf773d [2022-11-02 21:03:06,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:03:06,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:03:06,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:03:06,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:03:06,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:03:06,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:03:06" (1/1) ... [2022-11-02 21:03:06,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fef2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:06, skipping insertion in model container [2022-11-02 21:03:06,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:03:06" (1/1) ... [2022-11-02 21:03:06,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:03:06,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:03:10,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2022-11-02 21:03:10,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2022-11-02 21:03:10,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2022-11-02 21:03:10,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2022-11-02 21:03:10,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:03:10,720 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:03:11,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2022-11-02 21:03:11,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2022-11-02 21:03:11,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2022-11-02 21:03:11,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2022-11-02 21:03:11,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:03:11,426 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:03:11,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11 WrapperNode [2022-11-02 21:03:11,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:03:11,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:03:11,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:03:11,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:03:11,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:11,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:11,845 INFO L138 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5583 [2022-11-02 21:03:11,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:03:11,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:03:11,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:03:11,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:03:11,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:11,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:11,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:11,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:03:12,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:03:12,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:03:12,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:03:12,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (1/1) ... [2022-11-02 21:03:12,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:03:12,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:03:12,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:03:12,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b8e330-65a2-40b2-9bce-8b2206c0d8b2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:03:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2022-11-02 21:03:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2022-11-02 21:03:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 21:03:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 21:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:03:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:03:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-11-02 21:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-11-02 21:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2022-11-02 21:03:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2022-11-02 21:03:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:03:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:03:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:03:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:03:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2022-11-02 21:03:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2022-11-02 21:03:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:03:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:03:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:03:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:03:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:03:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:03:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:03:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:03:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 21:03:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 21:03:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:03:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:03:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:03:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 21:03:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 21:03:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2022-11-02 21:03:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2022-11-02 21:03:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2022-11-02 21:03:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2022-11-02 21:03:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:03:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:03:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-02 21:03:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-02 21:03:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:03:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:03:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:03:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2022-11-02 21:03:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2022-11-02 21:03:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:03:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:03:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:03:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:03:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:03:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:03:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2022-11-02 21:03:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2022-11-02 21:03:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:03:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:03:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 21:03:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 21:03:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-02 21:03:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-02 21:03:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:03:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:03:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 21:03:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 21:03:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2022-11-02 21:03:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2022-11-02 21:03:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:03:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:03:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:03:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:03:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:03:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2022-11-02 21:03:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2022-11-02 21:03:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 21:03:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 21:03:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 21:03:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 21:03:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-02 21:03:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-02 21:03:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:03:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:03:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:03:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:03:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2022-11-02 21:03:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2022-11-02 21:03:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:03:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:03:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 21:03:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 21:03:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-02 21:03:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-02 21:03:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:03:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:03:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2022-11-02 21:03:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2022-11-02 21:03:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 21:03:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 21:03:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 21:03:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 21:03:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:03:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:03:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:03:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:03:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2022-11-02 21:03:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2022-11-02 21:03:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-02 21:03:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-02 21:03:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-02 21:03:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-02 21:03:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:03:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:03:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2022-11-02 21:03:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2022-11-02 21:03:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2022-11-02 21:03:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2022-11-02 21:03:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:03:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:03:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:03:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:03:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2022-11-02 21:03:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2022-11-02 21:03:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:03:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:03:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:03:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:03:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2022-11-02 21:03:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2022-11-02 21:03:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2022-11-02 21:03:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2022-11-02 21:03:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-02 21:03:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-02 21:03:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:03:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:03:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:03:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:03:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-02 21:03:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-02 21:03:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-02 21:03:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-02 21:03:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-02 21:03:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-02 21:03:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2022-11-02 21:03:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2022-11-02 21:03:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 21:03:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 21:03:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-02 21:03:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-02 21:03:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 21:03:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 21:03:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:03:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:03:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:03:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:03:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2022-11-02 21:03:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2022-11-02 21:03:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 21:03:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 21:03:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2022-11-02 21:03:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2022-11-02 21:03:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-02 21:03:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-02 21:03:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2022-11-02 21:03:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2022-11-02 21:03:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2022-11-02 21:03:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2022-11-02 21:03:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:03:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-02 21:03:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-02 21:03:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 21:03:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 21:03:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 21:03:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 21:03:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:03:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:03:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:03:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:03:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2022-11-02 21:03:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2022-11-02 21:03:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2022-11-02 21:03:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2022-11-02 21:03:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 21:03:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 21:03:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 21:03:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 21:03:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:03:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:03:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2022-11-02 21:03:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2022-11-02 21:03:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:03:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:03:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2022-11-02 21:03:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2022-11-02 21:03:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:03:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:03:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:03:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2022-11-02 21:03:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2022-11-02 21:03:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:03:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:03:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2022-11-02 21:03:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2022-11-02 21:03:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:03:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:03:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2022-11-02 21:03:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2022-11-02 21:03:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-02 21:03:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-02 21:03:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2022-11-02 21:03:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2022-11-02 21:03:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 21:03:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 21:03:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-02 21:03:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-02 21:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 21:03:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 21:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 21:03:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 21:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2022-11-02 21:03:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2022-11-02 21:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 21:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 21:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2022-11-02 21:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2022-11-02 21:03:13,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:03:13,508 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:03:13,687 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:04:06,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 21:04:07,191 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:04:07,237 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:04:07,238 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:04:07,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:07 BoogieIcfgContainer [2022-11-02 21:04:07,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:04:07,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:04:07,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:04:07,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:04:07,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:03:06" (1/3) ... [2022-11-02 21:04:07,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1399fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:07, skipping insertion in model container [2022-11-02 21:04:07,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:03:11" (2/3) ... [2022-11-02 21:04:07,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1399fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:04:07, skipping insertion in model container [2022-11-02 21:04:07,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:04:07" (3/3) ... [2022-11-02 21:04:07,264 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2022-11-02 21:04:07,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:04:07,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 21:04:07,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:04:07,470 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a930582, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:04:07,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 21:04:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) [2022-11-02 21:04:07,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-02 21:04:07,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:07,517 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:07,518 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)] === [2022-11-02 21:04:07,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2022-11-02 21:04:07,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:07,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540613256] [2022-11-02 21:04:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:04:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:04:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:04:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 21:04:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 21:04:09,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:09,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540613256] [2022-11-02 21:04:09,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540613256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:09,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:09,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:09,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366522190] [2022-11-02 21:04:09,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:09,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:09,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:09,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:09,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:09,601 INFO L87 Difference]: Start difference. First operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:04:11,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:13,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:27,773 INFO L93 Difference]: Finished difference Result 5992 states and 8498 transitions. [2022-11-02 21:04:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:04:27,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 200 [2022-11-02 21:04:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:27,851 INFO L225 Difference]: With dead ends: 5992 [2022-11-02 21:04:27,852 INFO L226 Difference]: Without dead ends: 3996 [2022-11-02 21:04:27,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:04:27,882 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 3199 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 5672 SdHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:04:27,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 5672 Invalid, 3875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 2266 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2022-11-02 21:04:27,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2022-11-02 21:04:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3912. [2022-11-02 21:04:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2630 states have (on average 1.2311787072243345) internal successors, (3238), 2674 states have internal predecessors, (3238), 1070 states have call successors, (1070), 210 states have call predecessors, (1070), 209 states have return successors, (1067), 1059 states have call predecessors, (1067), 1067 states have call successors, (1067) [2022-11-02 21:04:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5375 transitions. [2022-11-02 21:04:28,191 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5375 transitions. Word has length 200 [2022-11-02 21:04:28,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:04:28,192 INFO L495 AbstractCegarLoop]: Abstraction has 3912 states and 5375 transitions. [2022-11-02 21:04:28,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:04:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5375 transitions. [2022-11-02 21:04:28,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-02 21:04:28,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:28,200 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:28,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:04:28,200 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)] === [2022-11-02 21:04:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:28,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1161536545, now seen corresponding path program 1 times [2022-11-02 21:04:28,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:28,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681203601] [2022-11-02 21:04:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:04:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:04:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:04:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-02 21:04:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 21:04:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 21:04:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:29,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681203601] [2022-11-02 21:04:29,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681203601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:29,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:29,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:29,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046995224] [2022-11-02 21:04:29,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:29,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:29,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:29,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:29,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:29,359 INFO L87 Difference]: Start difference. First operand 3912 states and 5375 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 21:04:31,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:33,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:04:47,920 INFO L93 Difference]: Finished difference Result 11716 states and 16157 transitions. [2022-11-02 21:04:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:04:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2022-11-02 21:04:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:04:47,967 INFO L225 Difference]: With dead ends: 11716 [2022-11-02 21:04:47,967 INFO L226 Difference]: Without dead ends: 7841 [2022-11-02 21:04:47,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:04:47,984 INFO L413 NwaCegarLoop]: 2956 mSDtfsCounter, 3190 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 1654 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 5635 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:04:47,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3693 Valid, 5635 Invalid, 3923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1654 Valid, 2267 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2022-11-02 21:04:47,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states. [2022-11-02 21:04:48,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 7719. [2022-11-02 21:04:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 5196 states have (on average 1.23306389530408) internal successors, (6407), 5294 states have internal predecessors, (6407), 2097 states have call successors, (2097), 418 states have call predecessors, (2097), 423 states have return successors, (2126), 2072 states have call predecessors, (2126), 2094 states have call successors, (2126) [2022-11-02 21:04:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 10630 transitions. [2022-11-02 21:04:48,394 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 10630 transitions. Word has length 212 [2022-11-02 21:04:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:04:48,395 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 10630 transitions. [2022-11-02 21:04:48,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 21:04:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 10630 transitions. [2022-11-02 21:04:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-02 21:04:48,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:04:48,407 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:04:48,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:04:48,408 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)] === [2022-11-02 21:04:48,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:04:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash -967961670, now seen corresponding path program 1 times [2022-11-02 21:04:48,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:04:48,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394631073] [2022-11-02 21:04:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:04:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:04:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:04:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:04:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:04:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:04:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:04:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:04:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:04:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:04:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:04:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:04:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:04:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:04:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:04:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:04:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:04:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:04:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:04:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:04:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:04:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:04:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 21:04:49,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:04:49,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394631073] [2022-11-02 21:04:49,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394631073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:04:49,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:04:49,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:04:49,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061426634] [2022-11-02 21:04:49,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:04:49,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:04:49,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:04:49,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:04:49,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:04:49,317 INFO L87 Difference]: Start difference. First operand 7719 states and 10630 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:04:51,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:04:53,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:06,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:06,320 INFO L93 Difference]: Finished difference Result 20691 states and 28318 transitions. [2022-11-02 21:05:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:06,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 212 [2022-11-02 21:05:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:06,422 INFO L225 Difference]: With dead ends: 20691 [2022-11-02 21:05:06,422 INFO L226 Difference]: Without dead ends: 13009 [2022-11-02 21:05:06,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:06,463 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 2340 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 1457 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2699 SdHoareTripleChecker+Valid, 5393 SdHoareTripleChecker+Invalid, 3662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:06,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2699 Valid, 5393 Invalid, 3662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1457 Valid, 2203 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2022-11-02 21:05:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13009 states. [2022-11-02 21:05:07,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13009 to 12725. [2022-11-02 21:05:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12725 states, 8478 states have (on average 1.2199811276244397) internal successors, (10343), 8652 states have internal predecessors, (10343), 3447 states have call successors, (3447), 798 states have call predecessors, (3447), 797 states have return successors, (3482), 3384 states have call predecessors, (3482), 3444 states have call successors, (3482) [2022-11-02 21:05:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 17272 transitions. [2022-11-02 21:05:07,425 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 17272 transitions. Word has length 212 [2022-11-02 21:05:07,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:07,427 INFO L495 AbstractCegarLoop]: Abstraction has 12725 states and 17272 transitions. [2022-11-02 21:05:07,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:05:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 17272 transitions. [2022-11-02 21:05:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-02 21:05:07,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:07,433 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:07,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:05:07,434 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)] === [2022-11-02 21:05:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash 93871240, now seen corresponding path program 1 times [2022-11-02 21:05:07,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:07,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679150301] [2022-11-02 21:05:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:05:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:05:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:05:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 21:05:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 21:05:09,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:09,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679150301] [2022-11-02 21:05:09,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679150301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:09,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:09,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:05:09,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385173287] [2022-11-02 21:05:09,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:09,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:05:09,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:09,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:05:09,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:05:09,468 INFO L87 Difference]: Start difference. First operand 12725 states and 17272 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:05:11,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:13,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:44,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:44,216 INFO L93 Difference]: Finished difference Result 27229 states and 36907 transitions. [2022-11-02 21:05:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 213 [2022-11-02 21:05:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:44,309 INFO L225 Difference]: With dead ends: 27229 [2022-11-02 21:05:44,310 INFO L226 Difference]: Without dead ends: 14541 [2022-11-02 21:05:44,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:05:44,366 INFO L413 NwaCegarLoop]: 4671 mSDtfsCounter, 8699 mSDsluCounter, 4411 mSDsCounter, 0 mSdLazyCounter, 5671 mSolverCounterSat, 4888 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9625 SdHoareTripleChecker+Valid, 9082 SdHoareTripleChecker+Invalid, 10561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4888 IncrementalHoareTripleChecker+Valid, 5671 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:44,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9625 Valid, 9082 Invalid, 10561 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4888 Valid, 5671 Invalid, 2 Unknown, 0 Unchecked, 33.6s Time] [2022-11-02 21:05:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2022-11-02 21:05:45,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 14147. [2022-11-02 21:05:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14147 states, 9535 states have (on average 1.2147876245411642) internal successors, (11583), 9710 states have internal predecessors, (11583), 3699 states have call successors, (3699), 915 states have call predecessors, (3699), 910 states have return successors, (3714), 3633 states have call predecessors, (3714), 3696 states have call successors, (3714) [2022-11-02 21:05:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14147 states to 14147 states and 18996 transitions. [2022-11-02 21:05:45,288 INFO L78 Accepts]: Start accepts. Automaton has 14147 states and 18996 transitions. Word has length 213 [2022-11-02 21:05:45,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:45,289 INFO L495 AbstractCegarLoop]: Abstraction has 14147 states and 18996 transitions. [2022-11-02 21:05:45,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 21:05:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14147 states and 18996 transitions. [2022-11-02 21:05:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-02 21:05:45,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:45,295 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-11-02 21:05:45,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:05:45,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-02 21:05:45,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1582282347, now seen corresponding path program 1 times [2022-11-02 21:05:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:45,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992536248] [2022-11-02 21:05:45,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:05:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:05:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:05:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:05:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:05:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:05:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:05:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:05:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:05:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:05:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:05:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:05:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:05:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:05:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 21:05:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-02 21:05:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-02 21:05:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 21:05:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:05:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 21:05:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 21:05:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 21:05:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2022-11-02 21:05:46,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:46,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992536248] [2022-11-02 21:05:46,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992536248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:46,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:46,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:05:46,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096584569] [2022-11-02 21:05:46,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:46,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:46,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:46,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:46,317 INFO L87 Difference]: Start difference. First operand 14147 states and 18996 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-02 21:05:48,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:05:50,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:04,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:04,671 INFO L93 Difference]: Finished difference Result 42420 states and 57131 transitions. [2022-11-02 21:06:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:04,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 252 [2022-11-02 21:06:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:04,837 INFO L225 Difference]: With dead ends: 42420 [2022-11-02 21:06:04,837 INFO L226 Difference]: Without dead ends: 28351 [2022-11-02 21:06:04,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:06:04,899 INFO L413 NwaCegarLoop]: 3013 mSDtfsCounter, 3178 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 1637 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 5770 SdHoareTripleChecker+Invalid, 3905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:04,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3675 Valid, 5770 Invalid, 3905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1637 Valid, 2266 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2022-11-02 21:06:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28351 states. [2022-11-02 21:06:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28351 to 27678. [2022-11-02 21:06:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27678 states, 18672 states have (on average 1.2159383033419022) internal successors, (22704), 18988 states have internal predecessors, (22704), 7220 states have call successors, (7220), 1792 states have call predecessors, (7220), 1783 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-11-02 21:06:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27678 states to 27678 states and 37177 transitions. [2022-11-02 21:06:06,844 INFO L78 Accepts]: Start accepts. Automaton has 27678 states and 37177 transitions. Word has length 252 [2022-11-02 21:06:06,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:06,845 INFO L495 AbstractCegarLoop]: Abstraction has 27678 states and 37177 transitions. [2022-11-02 21:06:06,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-02 21:06:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 27678 states and 37177 transitions. [2022-11-02 21:06:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-02 21:06:06,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:06,851 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-11-02 21:06:06,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:06:06,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-11-02 21:06:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1159580521, now seen corresponding path program 1 times [2022-11-02 21:06:06,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563830848] [2022-11-02 21:06:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:06,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:06:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:06:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:06:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:06:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:06:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:06:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:06:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:06:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:06:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:06:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:06:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:06:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:06:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:06:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:06:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:06:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 21:06:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-02 21:06:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-02 21:06:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 21:06:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 21:06:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 21:06:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 21:06:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-11-02 21:06:08,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:08,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563830848] [2022-11-02 21:06:08,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563830848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:08,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:08,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:06:08,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223851130] [2022-11-02 21:06:08,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:08,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:08,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:08,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:08,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:08,812 INFO L87 Difference]: Start difference. First operand 27678 states and 37177 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 21:06:10,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:06:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:26,364 INFO L93 Difference]: Finished difference Result 28332 states and 38190 transitions. [2022-11-02 21:06:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:06:26,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 252 [2022-11-02 21:06:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:26,558 INFO L225 Difference]: With dead ends: 28332 [2022-11-02 21:06:26,558 INFO L226 Difference]: Without dead ends: 28330 [2022-11-02 21:06:26,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:06:26,570 INFO L413 NwaCegarLoop]: 2581 mSDtfsCounter, 2644 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 1112 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 4016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:06:26,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 6917 Invalid, 4016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1112 Valid, 2903 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2022-11-02 21:06:26,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28330 states. [2022-11-02 21:06:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28330 to 27682. [2022-11-02 21:06:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27682 states, 18675 states have (on average 1.2159036144578312) internal successors, (22707), 18991 states have internal predecessors, (22707), 7220 states have call successors, (7220), 1793 states have call predecessors, (7220), 1784 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-11-02 21:06:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27682 states to 27682 states and 37180 transitions. [2022-11-02 21:06:27,886 INFO L78 Accepts]: Start accepts. Automaton has 27682 states and 37180 transitions. Word has length 252 [2022-11-02 21:06:27,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:27,887 INFO L495 AbstractCegarLoop]: Abstraction has 27682 states and 37180 transitions. [2022-11-02 21:06:27,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 21:06:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 27682 states and 37180 transitions. [2022-11-02 21:06:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-02 21:06:27,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:27,892 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-11-02 21:06:27,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:06:27,893 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)] === [2022-11-02 21:06:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1284416519, now seen corresponding path program 1 times [2022-11-02 21:06:27,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510777403] [2022-11-02 21:06:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:06:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:06:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:06:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:06:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:06:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:06:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:06:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:06:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:06:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:06:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:06:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:06:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 21:06:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:06:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:06:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:06:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 21:06:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-02 21:06:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-02 21:06:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 21:06:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:06:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 21:06:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 21:06:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-02 21:06:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 21:06:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-11-02 21:06:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:29,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510777403] [2022-11-02 21:06:29,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510777403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:29,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:29,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:06:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508394327] [2022-11-02 21:06:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:29,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:29,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:29,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:29,755 INFO L87 Difference]: Start difference. First operand 27682 states and 37180 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 21:06:31,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []