./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a --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 ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 --- 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-b5237d8 [2022-11-21 16:26:32,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:26:32,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:26:32,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:26:32,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:26:32,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:26:32,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:26:32,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:26:32,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:26:32,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:26:32,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:26:32,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:26:32,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:26:32,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:26:32,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:26:32,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:26:32,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:26:32,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:26:32,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:26:32,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:26:32,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:26:32,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:26:32,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:26:32,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:26:32,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:26:32,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:26:32,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:26:32,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:26:32,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:26:32,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:26:32,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:26:32,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:26:32,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:26:32,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:26:32,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:26:32,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:26:32,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:26:32,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:26:32,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:26:32,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:26:32,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:26:32,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:26:32,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:26:32,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:26:32,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:26:32,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:26:32,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:26:32,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:26:32,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:26:32,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:26:32,765 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:26:32,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:26:32,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:26:32,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:26:32,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:26:32,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:26:32,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:26:32,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:26:32,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:26:32,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:26:32,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:26:32,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:26:32,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:26:32,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:26:32,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:26:32,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:26:32,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:26:32,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:26:32,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:26:32,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:26:32,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:26:32,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:26:32,770 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 [2022-11-21 16:26:33,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:26:33,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:26:33,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:26:33,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:26:33,136 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:26:33,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-21 16:26:36,098 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:26:36,980 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:26:36,981 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-21 16:26:37,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/data/56edd63ea/bcee59b7cad14489b3c5f7eada15007e/FLAGf5c5154e1 [2022-11-21 16:26:37,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/data/56edd63ea/bcee59b7cad14489b3c5f7eada15007e [2022-11-21 16:26:37,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:26:37,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:26:37,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:37,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:26:37,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:26:37,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:37" (1/1) ... [2022-11-21 16:26:37,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e8241f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:37, skipping insertion in model container [2022-11-21 16:26:37,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:37" (1/1) ... [2022-11-21 16:26:37,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:26:37,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:26:44,783 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-21 16:26:44,787 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-21 16:26:44,788 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-21 16:26:44,788 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-21 16:26:44,789 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-21 16:26:44,789 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-21 16:26:44,790 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-21 16:26:44,791 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-21 16:26:44,791 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-21 16:26:44,792 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-21 16:26:44,792 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-21 16:26:44,793 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-21 16:26:44,793 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-21 16:26:44,794 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-21 16:26:44,795 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-21 16:26:44,795 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-21 16:26:44,796 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-21 16:26:44,796 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-21 16:26:44,797 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-21 16:26:44,797 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-21 16:26:44,798 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-21 16:26:44,798 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-21 16:26:44,799 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-21 16:26:44,799 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-21 16:26:44,800 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-21 16:26:44,800 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-21 16:26:44,801 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-21 16:26:44,802 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-21 16:26:44,802 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-21 16:26:44,803 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-21 16:26:44,803 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-21 16:26:44,804 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-21 16:26:44,804 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-21 16:26:44,805 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-21 16:26:44,805 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-21 16:26:44,806 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-21 16:26:44,806 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-21 16:26:44,807 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-21 16:26:44,808 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-21 16:26:44,808 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-21 16:26:44,809 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-21 16:26:44,809 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-21 16:26:44,810 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-21 16:26:44,810 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-21 16:26:44,811 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-21 16:26:44,811 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-21 16:26:44,812 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-21 16:26:44,812 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-21 16:26:44,813 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-21 16:26:44,813 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-21 16:26:44,814 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-21 16:26:44,814 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-21 16:26:44,815 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-21 16:26:44,815 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-21 16:26:44,816 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-21 16:26:44,816 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-21 16:26:44,817 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-21 16:26:44,817 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-21 16:26:44,818 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-21 16:26:44,819 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-21 16:26:44,819 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-21 16:26:44,820 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-21 16:26:44,820 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-21 16:26:44,821 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-21 16:26:44,821 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-21 16:26:44,822 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-21 16:26:44,822 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-21 16:26:44,823 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-21 16:26:44,823 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-21 16:26:44,824 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-21 16:26:44,824 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-21 16:26:44,825 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-21 16:26:44,825 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-21 16:26:44,826 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-21 16:26:44,827 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-21 16:26:44,827 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-21 16:26:44,828 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-21 16:26:44,828 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-21 16:26:44,829 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-21 16:26:44,829 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-21 16:26:44,844 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-21 16:26:44,845 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-21 16:26:44,845 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-21 16:26:44,846 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-21 16:26:44,847 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-21 16:26:44,847 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-21 16:26:44,848 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-21 16:26:44,848 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-21 16:26:44,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:44,947 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:26:45,542 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-21 16:26:45,547 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-21 16:26:45,549 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-21 16:26:45,549 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-21 16:26:45,550 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-21 16:26:45,552 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-21 16:26:45,553 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-21 16:26:45,553 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-21 16:26:45,554 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-21 16:26:45,555 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-21 16:26:45,555 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-21 16:26:45,557 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-21 16:26:45,557 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-21 16:26:45,558 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-21 16:26:45,560 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-21 16:26:45,561 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-21 16:26:45,561 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-21 16:26:45,562 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-21 16:26:45,562 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-21 16:26:45,562 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-21 16:26:45,563 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-21 16:26:45,563 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-21 16:26:45,564 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-21 16:26:45,564 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-21 16:26:45,564 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-21 16:26:45,565 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-21 16:26:45,565 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-21 16:26:45,566 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-21 16:26:45,567 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-21 16:26:45,568 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-21 16:26:45,568 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-21 16:26:45,569 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-21 16:26:45,570 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-21 16:26:45,570 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-21 16:26:45,572 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-21 16:26:45,572 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-21 16:26:45,572 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-21 16:26:45,573 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-21 16:26:45,573 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-21 16:26:45,574 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-21 16:26:45,575 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-21 16:26:45,576 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-21 16:26:45,576 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-21 16:26:45,577 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-21 16:26:45,578 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-21 16:26:45,578 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-21 16:26:45,579 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-21 16:26:45,579 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-21 16:26:45,579 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-21 16:26:45,580 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-21 16:26:45,581 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-21 16:26:45,581 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-21 16:26:45,582 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-21 16:26:45,583 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-21 16:26:45,583 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-21 16:26:45,584 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-21 16:26:45,584 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-21 16:26:45,585 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-21 16:26:45,585 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-21 16:26:45,585 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-21 16:26:45,586 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-21 16:26:45,587 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-21 16:26:45,588 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-21 16:26:45,589 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-21 16:26:45,592 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-21 16:26:45,598 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-21 16:26:45,599 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-21 16:26:45,600 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-21 16:26:45,600 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-21 16:26:45,600 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-21 16:26:45,602 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-21 16:26:45,602 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-21 16:26:45,603 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-21 16:26:45,608 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-21 16:26:45,609 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-21 16:26:45,610 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-21 16:26:45,610 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-21 16:26:45,611 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-21 16:26:45,612 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-21 16:26:45,613 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-21 16:26:45,614 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-21 16:26:45,614 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-21 16:26:45,615 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-21 16:26:45,615 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-21 16:26:45,615 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-21 16:26:45,617 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-21 16:26:45,617 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-21 16:26:45,619 WARN L237 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_fdcfa78e-86a7-4600-96e9-90fce5b102a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-21 16:26:45,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:46,243 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:26:46,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46 WrapperNode [2022-11-21 16:26:46,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:46,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:46,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:26:46,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:26:46,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:46,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:46,844 INFO L138 Inliner]: procedures = 962, calls = 5080, calls flagged for inlining = 555, calls inlined = 474, statements flattened = 13224 [2022-11-21 16:26:46,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:46,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:26:46,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:26:46,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:26:46,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:46,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:46,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:46,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:26:47,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:26:47,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:26:47,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:26:47,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (1/1) ... [2022-11-21 16:26:47,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:26:47,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:47,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:47,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:26:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2022-11-21 16:26:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2022-11-21 16:26:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2022-11-21 16:26:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2022-11-21 16:26:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2022-11-21 16:26:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2022-11-21 16:26:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve___0 [2022-11-21 16:26:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve___0 [2022-11-21 16:26:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 16:26:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 16:26:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 16:26:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 16:26:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2022-11-21 16:26:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2022-11-21 16:26:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_populate [2022-11-21 16:26:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_populate [2022-11-21 16:26:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-21 16:26:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-21 16:26:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2022-11-21 16:26:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2022-11-21 16:26:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2022-11-21 16:26:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2022-11-21 16:26:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 16:26:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 16:26:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2022-11-21 16:26:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2022-11-21 16:26:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_109 [2022-11-21 16:26:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_109 [2022-11-21 16:26:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2022-11-21 16:26:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2022-11-21 16:26:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2022-11-21 16:26:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2022-11-21 16:26:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-21 16:26:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-21 16:26:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_modes [2022-11-21 16:26:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_modes [2022-11-21 16:26:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2022-11-21 16:26:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2022-11-21 16:26:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-21 16:26:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-21 16:26:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2022-11-21 16:26:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2022-11-21 16:26:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2022-11-21 16:26:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2022-11-21 16:26:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless___0 [2022-11-21 16:26:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless___0 [2022-11-21 16:26:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_poweroff [2022-11-21 16:26:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_poweroff [2022-11-21 16:26:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-21 16:26:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-21 16:26:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2022-11-21 16:26:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2022-11-21 16:26:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2022-11-21 16:26:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2022-11-21 16:26:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 16:26:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 16:26:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2022-11-21 16:26:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2022-11-21 16:26:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 16:26:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 16:26:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:26:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 16:26:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 16:26:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 16:26:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 16:26:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2022-11-21 16:26:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2022-11-21 16:26:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2022-11-21 16:26:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2022-11-21 16:26:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 16:26:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 16:26:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-21 16:26:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-21 16:26:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_enter [2022-11-21 16:26:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_enter [2022-11-21 16:26:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:26:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2022-11-21 16:26:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2022-11-21 16:26:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-21 16:26:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-21 16:26:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:26:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 16:26:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 16:26:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:26:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:26:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2022-11-21 16:26:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2022-11-21 16:26:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:26:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:26:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_add_to_lru [2022-11-21 16:26:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_add_to_lru [2022-11-21 16:26:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2022-11-21 16:26:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2022-11-21 16:26:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:26:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:26:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure drm_read [2022-11-21 16:26:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_read [2022-11-21 16:26:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:26:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:26:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:26:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_leave [2022-11-21 16:26:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_leave [2022-11-21 16:26:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 16:26:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2022-11-21 16:26:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2022-11-21 16:26:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2022-11-21 16:26:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2022-11-21 16:26:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2022-11-21 16:26:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2022-11-21 16:26:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2022-11-21 16:26:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2022-11-21 16:26:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-21 16:26:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-21 16:26:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-21 16:26:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-21 16:26:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:26:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:26:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 16:26:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 16:26:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:26:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2022-11-21 16:26:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2022-11-21 16:26:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_thaw [2022-11-21 16:26:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_thaw [2022-11-21 16:26:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 16:26:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 16:26:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-21 16:26:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_113 [2022-11-21 16:26:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_113 [2022-11-21 16:26:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:26:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2022-11-21 16:26:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2022-11-21 16:26:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2022-11-21 16:26:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2022-11-21 16:26:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:26:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:26:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-21 16:26:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-21 16:26:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:26:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:26:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2022-11-21 16:26:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2022-11-21 16:26:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2022-11-21 16:26:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2022-11-21 16:26:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ttm_bo_unreserve [2022-11-21 16:26:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ttm_bo_unreserve [2022-11-21 16:26:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 16:26:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 16:26:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 16:26:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 16:26:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2022-11-21 16:26:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2022-11-21 16:26:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 16:26:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 16:26:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-21 16:26:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-21 16:26:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:26:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2022-11-21 16:26:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2022-11-21 16:26:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:26:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:26:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_suspend [2022-11-21 16:26:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_suspend [2022-11-21 16:26:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_108 [2022-11-21 16:26:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_108 [2022-11-21 16:26:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-21 16:26:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-21 16:26:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 16:26:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 16:26:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2022-11-21 16:26:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2022-11-21 16:26:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:26:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:26:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:26:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:26:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2022-11-21 16:26:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2022-11-21 16:26:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-21 16:26:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-21 16:26:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 16:26:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 16:26:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2022-11-21 16:26:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2022-11-21 16:26:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 16:26:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 16:26:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-21 16:26:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-21 16:26:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:26:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:26:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-21 16:26:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-21 16:26:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2022-11-21 16:26:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2022-11-21 16:26:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-21 16:26:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-21 16:26:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:26:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2022-11-21 16:26:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2022-11-21 16:26:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-21 16:26:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-21 16:26:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2022-11-21 16:26:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2022-11-21 16:26:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:26:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2022-11-21 16:26:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2022-11-21 16:26:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-21 16:26:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-21 16:26:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:26:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-21 16:26:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-21 16:26:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-21 16:26:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-21 16:26:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 16:26:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 16:26:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:26:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:26:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-21 16:26:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-21 16:26:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 16:26:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 16:26:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2022-11-21 16:26:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2022-11-21 16:26:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:26:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:26:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:26:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:26:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2022-11-21 16:26:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2022-11-21 16:26:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2022-11-21 16:26:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2022-11-21 16:26:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-21 16:26:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-21 16:26:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 16:26:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 16:26:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ast_driver_unload [2022-11-21 16:26:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_driver_unload [2022-11-21 16:26:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2022-11-21 16:26:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2022-11-21 16:26:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 16:26:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 16:26:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-21 16:26:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:26:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:26:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:26:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2022-11-21 16:26:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2022-11-21 16:26:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 16:26:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 16:26:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2022-11-21 16:26:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2022-11-21 16:26:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2022-11-21 16:26:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2022-11-21 16:26:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2022-11-21 16:26:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2022-11-21 16:26:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-21 16:26:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-21 16:26:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 16:26:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 16:26:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_set_par [2022-11-21 16:26:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_set_par [2022-11-21 16:26:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2022-11-21 16:26:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2022-11-21 16:26:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:26:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 16:26:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 16:26:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-21 16:26:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-21 16:26:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2022-11-21 16:26:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2022-11-21 16:26:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 16:26:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 16:26:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-21 16:26:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 16:26:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 16:26:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2022-11-21 16:26:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2022-11-21 16:26:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2022-11-21 16:26:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2022-11-21 16:26:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2022-11-21 16:26:47,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2022-11-21 16:26:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2022-11-21 16:26:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2022-11-21 16:26:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2022-11-21 16:26:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2022-11-21 16:26:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2022-11-21 16:26:47,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2022-11-21 16:26:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 16:26:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 16:26:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2022-11-21 16:26:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2022-11-21 16:26:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2022-11-21 16:26:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2022-11-21 16:26:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 16:26:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 16:26:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:26:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:26:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 16:26:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 16:26:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2022-11-21 16:26:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2022-11-21 16:26:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2022-11-21 16:26:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2022-11-21 16:26:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-21 16:26:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-21 16:26:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 16:26:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 16:26:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2022-11-21 16:26:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2022-11-21 16:26:47,757 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_freeze [2022-11-21 16:26:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_freeze [2022-11-21 16:26:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2022-11-21 16:26:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2022-11-21 16:26:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-21 16:26:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-21 16:26:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-21 16:26:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-21 16:26:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 16:26:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 16:26:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 16:26:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 16:26:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2022-11-21 16:26:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2022-11-21 16:26:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-21 16:26:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-21 16:26:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-21 16:26:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-21 16:26:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2022-11-21 16:26:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2022-11-21 16:26:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2022-11-21 16:26:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2022-11-21 16:26:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2022-11-21 16:26:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2022-11-21 16:26:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:26:49,624 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:26:49,629 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:26:49,891 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:27:09,401 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:27:09,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:27:09,437 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-21 16:27:09,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:27:09 BoogieIcfgContainer [2022-11-21 16:27:09,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:27:09,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:27:09,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:27:09,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:27:09,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:26:37" (1/3) ... [2022-11-21 16:27:09,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:27:09, skipping insertion in model container [2022-11-21 16:27:09,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:46" (2/3) ... [2022-11-21 16:27:09,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae6c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:27:09, skipping insertion in model container [2022-11-21 16:27:09,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:27:09" (3/3) ... [2022-11-21 16:27:09,457 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-21 16:27:09,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:27:09,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-21 16:27:09,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:27:09,633 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;@71935e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:27:09,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-11-21 16:27:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 3831 states, 2630 states have (on average 1.3361216730038024) internal successors, (3514), 2762 states have internal predecessors, (3514), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) [2022-11-21 16:27:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 16:27:09,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:09,661 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:09,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:27:09,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:09,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1073744179, now seen corresponding path program 1 times [2022-11-21 16:27:09,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:09,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998180648] [2022-11-21 16:27:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:27:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:27:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:27:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:27:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:27:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:27:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:27:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:27:11,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:11,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998180648] [2022-11-21 16:27:11,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998180648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:11,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:11,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:27:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907457089] [2022-11-21 16:27:11,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:11,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:27:11,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:11,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:27:11,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:27:11,648 INFO L87 Difference]: Start difference. First operand has 3831 states, 2630 states have (on average 1.3361216730038024) internal successors, (3514), 2762 states have internal predecessors, (3514), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:27:21,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:27:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:27:39,568 INFO L93 Difference]: Finished difference Result 7586 states and 11090 transitions. [2022-11-21 16:27:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:27:39,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2022-11-21 16:27:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:27:39,608 INFO L225 Difference]: With dead ends: 7586 [2022-11-21 16:27:39,608 INFO L226 Difference]: Without dead ends: 3769 [2022-11-21 16:27:39,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:27:39,634 INFO L413 NwaCegarLoop]: 2342 mSDtfsCounter, 7678 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 7431 mSolverCounterSat, 4326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8095 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 11757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4326 IncrementalHoareTripleChecker+Valid, 7431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:27:39,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8095 Valid, 7223 Invalid, 11757 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4326 Valid, 7431 Invalid, 0 Unknown, 0 Unchecked, 26.9s Time] [2022-11-21 16:27:39,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-11-21 16:27:39,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3769. [2022-11-21 16:27:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 2585 states have (on average 1.3106382978723403) internal successors, (3388), 2704 states have internal predecessors, (3388), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:27:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 5384 transitions. [2022-11-21 16:27:39,981 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 5384 transitions. Word has length 51 [2022-11-21 16:27:39,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:27:39,984 INFO L495 AbstractCegarLoop]: Abstraction has 3769 states and 5384 transitions. [2022-11-21 16:27:39,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:27:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 5384 transitions. [2022-11-21 16:27:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 16:27:39,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:27:39,988 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:27:39,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:27:39,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:27:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:27:39,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1570528693, now seen corresponding path program 1 times [2022-11-21 16:27:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:27:39,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426720508] [2022-11-21 16:27:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:27:39,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:27:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:27:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:27:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:27:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:27:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:27:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:27:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:27:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:27:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:27:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:27:41,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:27:41,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426720508] [2022-11-21 16:27:41,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426720508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:27:41,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:27:41,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:27:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787857698] [2022-11-21 16:27:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:27:41,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:27:41,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:27:41,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:27:41,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:27:41,086 INFO L87 Difference]: Start difference. First operand 3769 states and 5384 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 16:27:59,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:28:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:28:08,509 INFO L93 Difference]: Finished difference Result 3769 states and 5384 transitions. [2022-11-21 16:28:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:28:08,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2022-11-21 16:28:08,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:28:08,533 INFO L225 Difference]: With dead ends: 3769 [2022-11-21 16:28:08,533 INFO L226 Difference]: Without dead ends: 3767 [2022-11-21 16:28:08,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:28:08,537 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7626 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7409 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8040 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:28:08,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8040 Valid, 7137 Invalid, 11707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7409 Invalid, 0 Unknown, 0 Unchecked, 26.7s Time] [2022-11-21 16:28:08,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2022-11-21 16:28:08,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3767. [2022-11-21 16:28:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 2584 states have (on average 1.3103715170278638) internal successors, (3386), 2702 states have internal predecessors, (3386), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:28:08,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5382 transitions. [2022-11-21 16:28:08,797 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5382 transitions. Word has length 57 [2022-11-21 16:28:08,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:28:08,798 INFO L495 AbstractCegarLoop]: Abstraction has 3767 states and 5382 transitions. [2022-11-21 16:28:08,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 16:28:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5382 transitions. [2022-11-21 16:28:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 16:28:08,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:28:08,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:08,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:28:08,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:28:08,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1357294833, now seen corresponding path program 1 times [2022-11-21 16:28:08,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:08,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440799677] [2022-11-21 16:28:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:28:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:28:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:28:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:28:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:28:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:28:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:28:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:28:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:28:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:28:09,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:09,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440799677] [2022-11-21 16:28:09,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440799677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:09,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:09,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:28:09,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401508018] [2022-11-21 16:28:09,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:09,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:09,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:09,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:09,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:09,716 INFO L87 Difference]: Start difference. First operand 3767 states and 5382 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:28:35,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:28:35,433 INFO L93 Difference]: Finished difference Result 3767 states and 5382 transitions. [2022-11-21 16:28:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:28:35,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-11-21 16:28:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:28:35,455 INFO L225 Difference]: With dead ends: 3767 [2022-11-21 16:28:35,455 INFO L226 Difference]: Without dead ends: 3765 [2022-11-21 16:28:35,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:28:35,459 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7620 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7405 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8033 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:28:35,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8033 Valid, 7137 Invalid, 11703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7405 Invalid, 0 Unknown, 0 Unchecked, 25.1s Time] [2022-11-21 16:28:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2022-11-21 16:28:35,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 3765. [2022-11-21 16:28:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 2583 states have (on average 1.3101045296167246) internal successors, (3384), 2700 states have internal predecessors, (3384), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:28:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 5380 transitions. [2022-11-21 16:28:35,743 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 5380 transitions. Word has length 63 [2022-11-21 16:28:35,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:28:35,744 INFO L495 AbstractCegarLoop]: Abstraction has 3765 states and 5380 transitions. [2022-11-21 16:28:35,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:28:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 5380 transitions. [2022-11-21 16:28:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 16:28:35,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:28:35,746 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:35,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:28:35,746 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:28:35,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:35,747 INFO L85 PathProgramCache]: Analyzing trace with hash -48329505, now seen corresponding path program 1 times [2022-11-21 16:28:35,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:35,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946713935] [2022-11-21 16:28:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:35,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:28:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:28:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:28:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:28:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:28:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:28:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:28:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:28:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:28:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:28:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:28:36,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:36,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946713935] [2022-11-21 16:28:36,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946713935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:36,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:36,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:28:36,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940959501] [2022-11-21 16:28:36,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:36,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:36,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:36,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:36,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:36,737 INFO L87 Difference]: Start difference. First operand 3765 states and 5380 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 16:28:45,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:28:54,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:28:58,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:29:07,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:29:07,247 INFO L93 Difference]: Finished difference Result 3765 states and 5380 transitions. [2022-11-21 16:29:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:29:07,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-11-21 16:29:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:29:07,267 INFO L225 Difference]: With dead ends: 3765 [2022-11-21 16:29:07,268 INFO L226 Difference]: Without dead ends: 3763 [2022-11-21 16:29:07,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:29:07,271 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7614 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7401 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8026 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:29:07,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8026 Valid, 7137 Invalid, 11699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7401 Invalid, 0 Unknown, 0 Unchecked, 29.9s Time] [2022-11-21 16:29:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2022-11-21 16:29:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3763. [2022-11-21 16:29:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 2582 states have (on average 1.3098373353989157) internal successors, (3382), 2698 states have internal predecessors, (3382), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:29:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 5378 transitions. [2022-11-21 16:29:07,571 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 5378 transitions. Word has length 69 [2022-11-21 16:29:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:29:07,572 INFO L495 AbstractCegarLoop]: Abstraction has 3763 states and 5378 transitions. [2022-11-21 16:29:07,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 16:29:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 5378 transitions. [2022-11-21 16:29:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 16:29:07,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:29:07,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:07,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:29:07,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:29:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1092432812, now seen corresponding path program 1 times [2022-11-21 16:29:07,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:07,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851047004] [2022-11-21 16:29:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:29:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:29:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:29:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:29:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:29:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:29:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:29:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:29:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:29:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:29:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:29:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:29:08,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:08,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851047004] [2022-11-21 16:29:08,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851047004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:08,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:08,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:29:08,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130427460] [2022-11-21 16:29:08,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:08,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:29:08,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:29:08,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:29:08,610 INFO L87 Difference]: Start difference. First operand 3763 states and 5378 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 16:29:23,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:29:26,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:29:39,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:29:39,942 INFO L93 Difference]: Finished difference Result 3763 states and 5378 transitions. [2022-11-21 16:29:39,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:29:39,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2022-11-21 16:29:39,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:29:39,961 INFO L225 Difference]: With dead ends: 3763 [2022-11-21 16:29:39,961 INFO L226 Difference]: Without dead ends: 3761 [2022-11-21 16:29:39,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:29:39,964 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7608 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7397 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8019 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:29:39,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8019 Valid, 7137 Invalid, 11695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7397 Invalid, 0 Unknown, 0 Unchecked, 30.7s Time] [2022-11-21 16:29:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2022-11-21 16:29:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3761. [2022-11-21 16:29:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 2581 states have (on average 1.3095699341340565) internal successors, (3380), 2696 states have internal predecessors, (3380), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:29:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5376 transitions. [2022-11-21 16:29:40,273 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5376 transitions. Word has length 75 [2022-11-21 16:29:40,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:29:40,274 INFO L495 AbstractCegarLoop]: Abstraction has 3761 states and 5376 transitions. [2022-11-21 16:29:40,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 16:29:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5376 transitions. [2022-11-21 16:29:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 16:29:40,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:29:40,276 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:40,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:29:40,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:29:40,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -769075987, now seen corresponding path program 1 times [2022-11-21 16:29:40,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:40,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612003179] [2022-11-21 16:29:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:40,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:29:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:29:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:29:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:29:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:29:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:29:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:29:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:29:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:29:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:29:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:29:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:29:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:29:41,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:41,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612003179] [2022-11-21 16:29:41,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612003179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:41,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:41,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:29:41,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202509592] [2022-11-21 16:29:41,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:41,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:29:41,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:41,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:29:41,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:29:41,316 INFO L87 Difference]: Start difference. First operand 3761 states and 5376 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 16:30:01,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:30:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:30:09,297 INFO L93 Difference]: Finished difference Result 3761 states and 5376 transitions. [2022-11-21 16:30:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:30:09,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2022-11-21 16:30:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:30:09,315 INFO L225 Difference]: With dead ends: 3761 [2022-11-21 16:30:09,316 INFO L226 Difference]: Without dead ends: 3759 [2022-11-21 16:30:09,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:30:09,319 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7602 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7393 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8012 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:30:09,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8012 Valid, 7137 Invalid, 11691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7393 Invalid, 0 Unknown, 0 Unchecked, 27.3s Time] [2022-11-21 16:30:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-11-21 16:30:09,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3759. [2022-11-21 16:30:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 2580 states have (on average 1.3093023255813954) internal successors, (3378), 2694 states have internal predecessors, (3378), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:30:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5374 transitions. [2022-11-21 16:30:09,597 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5374 transitions. Word has length 81 [2022-11-21 16:30:09,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:30:09,598 INFO L495 AbstractCegarLoop]: Abstraction has 3759 states and 5374 transitions. [2022-11-21 16:30:09,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 16:30:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5374 transitions. [2022-11-21 16:30:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-21 16:30:09,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:30:09,601 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:30:09,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:30:09,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:30:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:30:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1349880356, now seen corresponding path program 1 times [2022-11-21 16:30:09,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:30:09,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553577849] [2022-11-21 16:30:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:30:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:30:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:30:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:30:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:30:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:30:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:30:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:30:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:30:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:30:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:30:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:30:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:30:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:30:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:30:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:30:10,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:30:10,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553577849] [2022-11-21 16:30:10,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553577849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:30:10,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:30:10,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:30:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991618643] [2022-11-21 16:30:10,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:30:10,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:30:10,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:30:10,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:30:10,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:30:10,586 INFO L87 Difference]: Start difference. First operand 3759 states and 5374 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:30:36,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:30:36,506 INFO L93 Difference]: Finished difference Result 3759 states and 5374 transitions. [2022-11-21 16:30:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:30:36,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2022-11-21 16:30:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:30:36,526 INFO L225 Difference]: With dead ends: 3759 [2022-11-21 16:30:36,526 INFO L226 Difference]: Without dead ends: 3757 [2022-11-21 16:30:36,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:30:36,529 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7596 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8005 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:30:36,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8005 Valid, 7137 Invalid, 11687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2022-11-21 16:30:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-11-21 16:30:36,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3757. [2022-11-21 16:30:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 2579 states have (on average 1.3090345094998062) internal successors, (3376), 2692 states have internal predecessors, (3376), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:30:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5372 transitions. [2022-11-21 16:30:36,897 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5372 transitions. Word has length 87 [2022-11-21 16:30:36,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:30:36,897 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5372 transitions. [2022-11-21 16:30:36,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:30:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5372 transitions. [2022-11-21 16:30:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 16:30:36,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:30:36,899 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:30:36,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:30:36,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:30:36,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:30:36,901 INFO L85 PathProgramCache]: Analyzing trace with hash 272266623, now seen corresponding path program 1 times [2022-11-21 16:30:36,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:30:36,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617177053] [2022-11-21 16:30:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:30:36,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:30:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:30:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:30:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:30:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:30:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:30:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:30:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:30:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:30:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:30:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:30:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:30:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:30:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:30:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:30:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:30:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:30:37,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:30:37,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617177053] [2022-11-21 16:30:37,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617177053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:30:37,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:30:37,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:30:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436967256] [2022-11-21 16:30:37,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:30:37,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:30:37,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:30:37,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:30:37,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:30:37,737 INFO L87 Difference]: Start difference. First operand 3757 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:30:55,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:31:05,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:05,266 INFO L93 Difference]: Finished difference Result 3757 states and 5372 transitions. [2022-11-21 16:31:05,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:31:05,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2022-11-21 16:31:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:05,286 INFO L225 Difference]: With dead ends: 3757 [2022-11-21 16:31:05,286 INFO L226 Difference]: Without dead ends: 3755 [2022-11-21 16:31:05,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:31:05,290 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7594 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7381 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8002 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:05,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8002 Valid, 7137 Invalid, 11679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7381 Invalid, 0 Unknown, 0 Unchecked, 26.8s Time] [2022-11-21 16:31:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-11-21 16:31:05,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2022-11-21 16:31:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 2578 states have (on average 1.308766485647789) internal successors, (3374), 2690 states have internal predecessors, (3374), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:31:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5370 transitions. [2022-11-21 16:31:05,701 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5370 transitions. Word has length 93 [2022-11-21 16:31:05,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:05,702 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 5370 transitions. [2022-11-21 16:31:05,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:31:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5370 transitions. [2022-11-21 16:31:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-21 16:31:05,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:05,705 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:05,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:31:05,706 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:31:05,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:05,706 INFO L85 PathProgramCache]: Analyzing trace with hash -344638718, now seen corresponding path program 1 times [2022-11-21 16:31:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:05,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792117089] [2022-11-21 16:31:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:31:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:31:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:31:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:31:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:31:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:31:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:31:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:31:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:31:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:31:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:31:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:31:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:31:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:31:06,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:06,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792117089] [2022-11-21 16:31:06,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792117089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:06,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:06,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:31:06,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531387331] [2022-11-21 16:31:06,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:06,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:31:06,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:06,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:31:06,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:06,679 INFO L87 Difference]: Start difference. First operand 3755 states and 5370 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:31:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:33,240 INFO L93 Difference]: Finished difference Result 3755 states and 5370 transitions. [2022-11-21 16:31:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:31:33,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-11-21 16:31:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:33,253 INFO L225 Difference]: With dead ends: 3755 [2022-11-21 16:31:33,253 INFO L226 Difference]: Without dead ends: 3753 [2022-11-21 16:31:33,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:31:33,255 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7582 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7381 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7990 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:33,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7990 Valid, 7137 Invalid, 11679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7381 Invalid, 0 Unknown, 0 Unchecked, 25.9s Time] [2022-11-21 16:31:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2022-11-21 16:31:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3753. [2022-11-21 16:31:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 2577 states have (on average 1.308498253783469) internal successors, (3372), 2688 states have internal predecessors, (3372), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:31:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 5368 transitions. [2022-11-21 16:31:33,523 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 5368 transitions. Word has length 95 [2022-11-21 16:31:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:33,523 INFO L495 AbstractCegarLoop]: Abstraction has 3753 states and 5368 transitions. [2022-11-21 16:31:33,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:31:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 5368 transitions. [2022-11-21 16:31:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 16:31:33,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:33,526 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:31:33,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:31:33,526 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:31:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:33,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1185555241, now seen corresponding path program 1 times [2022-11-21 16:31:33,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:33,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460397932] [2022-11-21 16:31:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:31:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:31:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:31:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:31:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:31:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:31:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:31:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:31:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:31:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:31:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:31:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:31:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:31:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:31:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:31:34,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:34,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460397932] [2022-11-21 16:31:34,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460397932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:34,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:34,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:31:34,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165589871] [2022-11-21 16:31:34,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:34,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:31:34,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:34,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:31:34,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:34,419 INFO L87 Difference]: Start difference. First operand 3753 states and 5368 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 16:32:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:00,713 INFO L93 Difference]: Finished difference Result 3753 states and 5368 transitions. [2022-11-21 16:32:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:32:00,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-21 16:32:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:00,726 INFO L225 Difference]: With dead ends: 3753 [2022-11-21 16:32:00,726 INFO L226 Difference]: Without dead ends: 3751 [2022-11-21 16:32:00,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:32:00,728 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7578 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7377 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7985 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:00,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7985 Valid, 7137 Invalid, 11675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7377 Invalid, 0 Unknown, 0 Unchecked, 25.6s Time] [2022-11-21 16:32:00,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2022-11-21 16:32:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3751. [2022-11-21 16:32:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 2576 states have (on average 1.3082298136645962) internal successors, (3370), 2686 states have internal predecessors, (3370), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:32:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5366 transitions. [2022-11-21 16:32:01,049 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5366 transitions. Word has length 101 [2022-11-21 16:32:01,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:01,050 INFO L495 AbstractCegarLoop]: Abstraction has 3751 states and 5366 transitions. [2022-11-21 16:32:01,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 16:32:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5366 transitions. [2022-11-21 16:32:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-21 16:32:01,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:01,052 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:01,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:32:01,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:32:01,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:01,053 INFO L85 PathProgramCache]: Analyzing trace with hash -873746420, now seen corresponding path program 1 times [2022-11-21 16:32:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:01,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057153721] [2022-11-21 16:32:01,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:01,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:32:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:32:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:32:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:32:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:32:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:32:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:32:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:32:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:32:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:32:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:32:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:32:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:32:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:32:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 16:32:02,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:02,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057153721] [2022-11-21 16:32:02,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057153721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:02,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:02,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:32:02,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914824203] [2022-11-21 16:32:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:02,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:32:02,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:32:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:32:02,109 INFO L87 Difference]: Start difference. First operand 3751 states and 5366 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:32:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:31,632 INFO L93 Difference]: Finished difference Result 7515 states and 10778 transitions. [2022-11-21 16:32:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:32:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2022-11-21 16:32:31,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:31,653 INFO L225 Difference]: With dead ends: 7515 [2022-11-21 16:32:31,653 INFO L226 Difference]: Without dead ends: 3813 [2022-11-21 16:32:31,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:32:31,675 INFO L413 NwaCegarLoop]: 1891 mSDtfsCounter, 8658 mSDsluCounter, 4359 mSDsCounter, 0 mSdLazyCounter, 6176 mSolverCounterSat, 5640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9116 SdHoareTripleChecker+Valid, 6250 SdHoareTripleChecker+Invalid, 11816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5640 IncrementalHoareTripleChecker+Valid, 6176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:31,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9116 Valid, 6250 Invalid, 11816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5640 Valid, 6176 Invalid, 0 Unknown, 0 Unchecked, 28.7s Time] [2022-11-21 16:32:31,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2022-11-21 16:32:32,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3747. [2022-11-21 16:32:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 2573 states have (on average 1.307811892732219) internal successors, (3365), 2682 states have internal predecessors, (3365), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:32:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5361 transitions. [2022-11-21 16:32:32,146 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5361 transitions. Word has length 119 [2022-11-21 16:32:32,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:32,150 INFO L495 AbstractCegarLoop]: Abstraction has 3747 states and 5361 transitions. [2022-11-21 16:32:32,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:32:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5361 transitions. [2022-11-21 16:32:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-21 16:32:32,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:32,152 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:32,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:32:32,153 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:32:32,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:32,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1100325060, now seen corresponding path program 1 times [2022-11-21 16:32:32,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:32,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715358644] [2022-11-21 16:32:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:32:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:32:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:32:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:32:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:32:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:32:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:32:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:32:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:32:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:32:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:32:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:32:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:32:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:32:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:32:33,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:33,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715358644] [2022-11-21 16:32:33,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715358644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:33,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:33,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:32:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753662022] [2022-11-21 16:32:33,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:33,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:32:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:32:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:32:33,066 INFO L87 Difference]: Start difference. First operand 3747 states and 5361 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 16:32:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:57,817 INFO L93 Difference]: Finished difference Result 3747 states and 5361 transitions. [2022-11-21 16:32:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:32:57,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-11-21 16:32:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:57,834 INFO L225 Difference]: With dead ends: 3747 [2022-11-21 16:32:57,834 INFO L226 Difference]: Without dead ends: 3745 [2022-11-21 16:32:57,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:32:57,838 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7557 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7363 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7963 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:57,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7963 Valid, 7137 Invalid, 11661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7363 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-11-21 16:32:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-21 16:32:58,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3745. [2022-11-21 16:32:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2572 states have (on average 1.3075427682737168) internal successors, (3363), 2680 states have internal predecessors, (3363), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:32:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5359 transitions. [2022-11-21 16:32:58,349 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5359 transitions. Word has length 107 [2022-11-21 16:32:58,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:58,354 INFO L495 AbstractCegarLoop]: Abstraction has 3745 states and 5359 transitions. [2022-11-21 16:32:58,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 16:32:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5359 transitions. [2022-11-21 16:32:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-21 16:32:58,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:58,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:32:58,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:32:58,357 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:32:58,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:58,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1988883433, now seen corresponding path program 1 times [2022-11-21 16:32:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:58,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607733318] [2022-11-21 16:32:58,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:58,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:32:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:32:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:32:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:32:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:32:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:32:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:32:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:32:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:32:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:32:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:32:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:32:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:32:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:32:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:32:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:32:59,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:59,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607733318] [2022-11-21 16:32:59,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607733318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:59,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:59,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:32:59,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569365887] [2022-11-21 16:32:59,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:59,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:32:59,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:59,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:32:59,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:32:59,280 INFO L87 Difference]: Start difference. First operand 3745 states and 5359 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:33:08,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:33:18,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:33:25,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:25,054 INFO L93 Difference]: Finished difference Result 3745 states and 5359 transitions. [2022-11-21 16:33:25,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:33:25,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-11-21 16:33:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:33:25,070 INFO L225 Difference]: With dead ends: 3745 [2022-11-21 16:33:25,071 INFO L226 Difference]: Without dead ends: 3743 [2022-11-21 16:33:25,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:33:25,074 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7551 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7359 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7956 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:33:25,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7956 Valid, 7137 Invalid, 11657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7359 Invalid, 0 Unknown, 0 Unchecked, 25.0s Time] [2022-11-21 16:33:25,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2022-11-21 16:33:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2022-11-21 16:33:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2571 states have (on average 1.307273434461299) internal successors, (3361), 2678 states have internal predecessors, (3361), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:33:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5357 transitions. [2022-11-21 16:33:25,516 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5357 transitions. Word has length 113 [2022-11-21 16:33:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:33:25,516 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5357 transitions. [2022-11-21 16:33:25,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:33:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5357 transitions. [2022-11-21 16:33:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 16:33:25,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:33:25,519 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:25,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:33:25,519 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:33:25,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash -270640232, now seen corresponding path program 1 times [2022-11-21 16:33:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:25,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851467171] [2022-11-21 16:33:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:33:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:33:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:33:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:33:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:33:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:33:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:33:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:33:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:33:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:33:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:33:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:33:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:33:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:33:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:33:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:33:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:33:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 16:33:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:26,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851467171] [2022-11-21 16:33:26,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851467171] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:33:26,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615343916] [2022-11-21 16:33:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:33:26,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:33:26,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:33:26,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:33:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:28,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 4625 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:33:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:33:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 16:33:28,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:33:28,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615343916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:28,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:33:28,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-11-21 16:33:28,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015641356] [2022-11-21 16:33:28,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:28,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:33:28,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:33:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:33:28,617 INFO L87 Difference]: Start difference. First operand 3743 states and 5357 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:33:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:29,114 INFO L93 Difference]: Finished difference Result 7433 states and 10631 transitions. [2022-11-21 16:33:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:33:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2022-11-21 16:33:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:33:29,131 INFO L225 Difference]: With dead ends: 7433 [2022-11-21 16:33:29,131 INFO L226 Difference]: Without dead ends: 3739 [2022-11-21 16:33:29,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:33:29,148 INFO L413 NwaCegarLoop]: 5351 mSDtfsCounter, 5331 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5331 SdHoareTripleChecker+Valid, 5351 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:33:29,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5331 Valid, 5351 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:33:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2022-11-21 16:33:29,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3739. [2022-11-21 16:33:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 2568 states have (on average 1.3068535825545171) internal successors, (3356), 2674 states have internal predecessors, (3356), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:33:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5352 transitions. [2022-11-21 16:33:29,556 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5352 transitions. Word has length 128 [2022-11-21 16:33:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:33:29,557 INFO L495 AbstractCegarLoop]: Abstraction has 3739 states and 5352 transitions. [2022-11-21 16:33:29,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:33:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5352 transitions. [2022-11-21 16:33:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-21 16:33:29,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:33:29,559 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:29,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:33:29,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcfa78e-86a7-4600-96e9-90fce5b102a6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-21 16:33:29,764 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:33:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash 112663619, now seen corresponding path program 1 times [2022-11-21 16:33:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724092942] [2022-11-21 16:33:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:33:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:33:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:33:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:33:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:33:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:33:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:33:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:33:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:33:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:33:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:33:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:33:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:33:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:33:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:33:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:33:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:33:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:33:30,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:30,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724092942] [2022-11-21 16:33:30,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724092942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:30,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:33:30,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:33:30,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288662908] [2022-11-21 16:33:30,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:33:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:30,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:33:30,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:33:30,728 INFO L87 Difference]: Start difference. First operand 3739 states and 5352 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:33:52,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:33:57,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:57,633 INFO L93 Difference]: Finished difference Result 3739 states and 5352 transitions. [2022-11-21 16:33:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:33:57,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2022-11-21 16:33:57,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:33:57,649 INFO L225 Difference]: With dead ends: 3739 [2022-11-21 16:33:57,649 INFO L226 Difference]: Without dead ends: 3737 [2022-11-21 16:33:57,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:33:57,652 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7530 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7345 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7934 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:33:57,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7934 Valid, 7137 Invalid, 11643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7345 Invalid, 0 Unknown, 0 Unchecked, 26.1s Time] [2022-11-21 16:33:57,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2022-11-21 16:33:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3737. [2022-11-21 16:33:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 2567 states have (on average 1.3065835605765486) internal successors, (3354), 2672 states have internal predecessors, (3354), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:33:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 5350 transitions. [2022-11-21 16:33:58,239 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 5350 transitions. Word has length 119 [2022-11-21 16:33:58,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:33:58,240 INFO L495 AbstractCegarLoop]: Abstraction has 3737 states and 5350 transitions. [2022-11-21 16:33:58,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:33:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 5350 transitions. [2022-11-21 16:33:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-21 16:33:58,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:33:58,243 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:58,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:33:58,244 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:33:58,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:58,244 INFO L85 PathProgramCache]: Analyzing trace with hash -501908800, now seen corresponding path program 1 times [2022-11-21 16:33:58,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:58,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926295738] [2022-11-21 16:33:58,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:58,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:33:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:33:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:33:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:33:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:33:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:33:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:33:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:33:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:33:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:33:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:33:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:33:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:33:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:33:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:33:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:33:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:33:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:33:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:33:59,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:59,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926295738] [2022-11-21 16:33:59,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926295738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:59,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:33:59,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:33:59,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251350661] [2022-11-21 16:33:59,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:59,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:33:59,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:59,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:33:59,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:33:59,157 INFO L87 Difference]: Start difference. First operand 3737 states and 5350 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:34:20,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:34:21,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:34:23,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:34:27,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:34:27,985 INFO L93 Difference]: Finished difference Result 3737 states and 5350 transitions. [2022-11-21 16:34:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:34:27,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2022-11-21 16:34:27,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:34:27,999 INFO L225 Difference]: With dead ends: 3737 [2022-11-21 16:34:27,999 INFO L226 Difference]: Without dead ends: 3735 [2022-11-21 16:34:28,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:34:28,002 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7524 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7927 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:34:28,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7927 Valid, 7137 Invalid, 11639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 28.0s Time] [2022-11-21 16:34:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2022-11-21 16:34:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3735. [2022-11-21 16:34:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 2566 states have (on average 1.3063133281371786) internal successors, (3352), 2670 states have internal predecessors, (3352), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:34:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 5348 transitions. [2022-11-21 16:34:28,632 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 5348 transitions. Word has length 125 [2022-11-21 16:34:28,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:34:28,632 INFO L495 AbstractCegarLoop]: Abstraction has 3735 states and 5348 transitions. [2022-11-21 16:34:28,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:34:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 5348 transitions. [2022-11-21 16:34:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-21 16:34:28,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:34:28,634 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:28,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:34:28,635 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:34:28,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:28,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1305660227, now seen corresponding path program 1 times [2022-11-21 16:34:28,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:28,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832993910] [2022-11-21 16:34:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:28,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:34:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:34:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:34:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:34:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:34:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:34:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:34:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:34:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:34:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:34:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:34:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:34:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:34:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:34:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:34:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:34:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:34:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:34:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:34:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:34:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 16:34:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 16:34:30,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:30,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832993910] [2022-11-21 16:34:30,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832993910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:30,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:30,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:34:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349011372] [2022-11-21 16:34:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:30,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:34:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:30,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:34:30,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:34:30,096 INFO L87 Difference]: Start difference. First operand 3735 states and 5348 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:34:52,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:35:06,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:35:14,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:35:22,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:35:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:35:30,473 INFO L93 Difference]: Finished difference Result 7487 states and 10782 transitions. [2022-11-21 16:35:30,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:35:30,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2022-11-21 16:35:30,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:35:30,489 INFO L225 Difference]: With dead ends: 7487 [2022-11-21 16:35:30,489 INFO L226 Difference]: Without dead ends: 3801 [2022-11-21 16:35:30,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:35:30,505 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 8587 mSDsluCounter, 9608 mSDsCounter, 0 mSdLazyCounter, 16590 mSolverCounterSat, 5631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9033 SdHoareTripleChecker+Valid, 11926 SdHoareTripleChecker+Invalid, 22221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5631 IncrementalHoareTripleChecker+Valid, 16590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:35:30,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9033 Valid, 11926 Invalid, 22221 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5631 Valid, 16590 Invalid, 0 Unknown, 0 Unchecked, 59.1s Time] [2022-11-21 16:35:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-11-21 16:35:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3735. [2022-11-21 16:35:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 2566 states have (on average 1.3059236165237724) internal successors, (3351), 2670 states have internal predecessors, (3351), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:35:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 5347 transitions. [2022-11-21 16:35:31,091 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 5347 transitions. Word has length 138 [2022-11-21 16:35:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:35:31,091 INFO L495 AbstractCegarLoop]: Abstraction has 3735 states and 5347 transitions. [2022-11-21 16:35:31,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:35:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 5347 transitions. [2022-11-21 16:35:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-21 16:35:31,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:35:31,095 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:35:31,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:35:31,096 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:35:31,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:35:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1305719809, now seen corresponding path program 1 times [2022-11-21 16:35:31,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:35:31,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211847321] [2022-11-21 16:35:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:35:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:35:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:35:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:35:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:35:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:35:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:35:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:35:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:35:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:35:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:35:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:35:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:35:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:35:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:35:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:35:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:35:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:35:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:35:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:35:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:35:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:35:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 16:35:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:35:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 16:35:32,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:35:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211847321] [2022-11-21 16:35:32,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211847321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:35:32,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:35:32,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:35:32,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297777698] [2022-11-21 16:35:32,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:35:32,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:35:32,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:35:32,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:35:32,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:35:32,069 INFO L87 Difference]: Start difference. First operand 3735 states and 5347 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 16:35:45,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:35:52,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:36:11,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:36:23,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:23,896 INFO L93 Difference]: Finished difference Result 3801 states and 5476 transitions. [2022-11-21 16:36:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:36:23,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 138 [2022-11-21 16:36:23,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:23,913 INFO L225 Difference]: With dead ends: 3801 [2022-11-21 16:36:23,913 INFO L226 Difference]: Without dead ends: 3799 [2022-11-21 16:36:23,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:36:23,916 INFO L413 NwaCegarLoop]: 2315 mSDtfsCounter, 4799 mSDsluCounter, 8141 mSDsCounter, 0 mSdLazyCounter, 12665 mSolverCounterSat, 4448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4799 SdHoareTripleChecker+Valid, 10456 SdHoareTripleChecker+Invalid, 17113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4448 IncrementalHoareTripleChecker+Valid, 12665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:23,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4799 Valid, 10456 Invalid, 17113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4448 Valid, 12665 Invalid, 0 Unknown, 0 Unchecked, 50.8s Time] [2022-11-21 16:36:23,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2022-11-21 16:36:24,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3733. [2022-11-21 16:36:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 2565 states have (on average 1.305653021442495) internal successors, (3349), 2668 states have internal predecessors, (3349), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:36:24,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5345 transitions. [2022-11-21 16:36:24,491 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5345 transitions. Word has length 138 [2022-11-21 16:36:24,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:24,492 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5345 transitions. [2022-11-21 16:36:24,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 16:36:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5345 transitions. [2022-11-21 16:36:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-21 16:36:24,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:24,494 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:24,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:36:24,495 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:36:24,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash 485326087, now seen corresponding path program 1 times [2022-11-21 16:36:24,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:24,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128242057] [2022-11-21 16:36:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:36:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:36:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:36:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:36:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:36:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:36:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:36:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:36:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:36:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:36:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:36:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:36:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:36:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:36:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:36:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:36:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 16:36:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 16:36:25,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:25,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128242057] [2022-11-21 16:36:25,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128242057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:25,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:25,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:36:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608876878] [2022-11-21 16:36:25,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:25,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:36:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:25,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:36:25,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:36:25,294 INFO L87 Difference]: Start difference. First operand 3733 states and 5345 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:36:36,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:36:42,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:36:53,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:53,638 INFO L93 Difference]: Finished difference Result 7479 states and 10772 transitions. [2022-11-21 16:36:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:36:53,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2022-11-21 16:36:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:53,655 INFO L225 Difference]: With dead ends: 7479 [2022-11-21 16:36:53,655 INFO L226 Difference]: Without dead ends: 3795 [2022-11-21 16:36:53,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:36:53,666 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 8538 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 5763 mSolverCounterSat, 5630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8983 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 11393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5630 IncrementalHoareTripleChecker+Valid, 5763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:53,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8983 Valid, 6674 Invalid, 11393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5630 Valid, 5763 Invalid, 0 Unknown, 0 Unchecked, 27.3s Time] [2022-11-21 16:36:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2022-11-21 16:36:54,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3729. [2022-11-21 16:36:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3729 states, 2562 states have (on average 1.305230288836846) internal successors, (3344), 2664 states have internal predecessors, (3344), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:36:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3729 states and 5340 transitions. [2022-11-21 16:36:54,279 INFO L78 Accepts]: Start accepts. Automaton has 3729 states and 5340 transitions. Word has length 142 [2022-11-21 16:36:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:54,279 INFO L495 AbstractCegarLoop]: Abstraction has 3729 states and 5340 transitions. [2022-11-21 16:36:54,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:36:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 5340 transitions. [2022-11-21 16:36:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-21 16:36:54,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:54,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:54,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:36:54,282 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:36:54,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -56992757, now seen corresponding path program 1 times [2022-11-21 16:36:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:54,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039261655] [2022-11-21 16:36:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:36:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:36:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:36:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:36:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:36:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:36:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:36:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:36:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:36:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:36:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:36:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:36:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:36:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:36:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:36:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:36:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:36:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:36:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:36:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:36:55,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:55,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039261655] [2022-11-21 16:36:55,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039261655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:55,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:55,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:36:55,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837401398] [2022-11-21 16:36:55,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:55,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:36:55,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:36:55,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:36:55,078 INFO L87 Difference]: Start difference. First operand 3729 states and 5340 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:37:04,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:13,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:15,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:18,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:24,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:24,432 INFO L93 Difference]: Finished difference Result 3729 states and 5340 transitions. [2022-11-21 16:37:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:37:24,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2022-11-21 16:37:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:24,442 INFO L225 Difference]: With dead ends: 3729 [2022-11-21 16:37:24,443 INFO L226 Difference]: Without dead ends: 3727 [2022-11-21 16:37:24,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:37:24,444 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7494 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7321 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7896 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:24,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7896 Valid, 7137 Invalid, 11619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7321 Invalid, 0 Unknown, 0 Unchecked, 28.3s Time] [2022-11-21 16:37:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2022-11-21 16:37:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3727. [2022-11-21 16:37:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3727 states, 2561 states have (on average 1.3049590003904725) internal successors, (3342), 2662 states have internal predecessors, (3342), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:37:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 5338 transitions. [2022-11-21 16:37:25,020 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 5338 transitions. Word has length 131 [2022-11-21 16:37:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:25,021 INFO L495 AbstractCegarLoop]: Abstraction has 3727 states and 5338 transitions. [2022-11-21 16:37:25,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:37:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 5338 transitions. [2022-11-21 16:37:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-21 16:37:25,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:25,023 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:25,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:37:25,023 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:37:25,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:25,023 INFO L85 PathProgramCache]: Analyzing trace with hash -952575018, now seen corresponding path program 1 times [2022-11-21 16:37:25,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:25,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846339651] [2022-11-21 16:37:25,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:37:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:37:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:37:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:37:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:37:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:37:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:37:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:37:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:37:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:37:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:37:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:37:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:37:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:37:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:37:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:37:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:37:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:37:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:37:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:37:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:37:26,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:26,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846339651] [2022-11-21 16:37:26,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846339651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:26,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:26,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:37:26,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785643193] [2022-11-21 16:37:26,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:26,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:26,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:26,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:26,617 INFO L87 Difference]: Start difference. First operand 3727 states and 5338 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 16:37:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:55,297 INFO L93 Difference]: Finished difference Result 3727 states and 5338 transitions. [2022-11-21 16:37:55,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:37:55,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2022-11-21 16:37:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:55,307 INFO L225 Difference]: With dead ends: 3727 [2022-11-21 16:37:55,307 INFO L226 Difference]: Without dead ends: 3725 [2022-11-21 16:37:55,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:37:55,310 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7488 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7317 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7889 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:55,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7889 Valid, 7137 Invalid, 11615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7317 Invalid, 0 Unknown, 0 Unchecked, 27.6s Time] [2022-11-21 16:37:55,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3725 states. [2022-11-21 16:37:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3725 to 3725. [2022-11-21 16:37:55,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3725 states, 2560 states have (on average 1.3046875) internal successors, (3340), 2660 states have internal predecessors, (3340), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:37:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3725 states and 5336 transitions. [2022-11-21 16:37:55,763 INFO L78 Accepts]: Start accepts. Automaton has 3725 states and 5336 transitions. Word has length 137 [2022-11-21 16:37:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:55,764 INFO L495 AbstractCegarLoop]: Abstraction has 3725 states and 5336 transitions. [2022-11-21 16:37:55,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 16:37:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 5336 transitions. [2022-11-21 16:37:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-21 16:37:55,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:55,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:55,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:37:55,768 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:37:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1274171610, now seen corresponding path program 1 times [2022-11-21 16:37:55,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:55,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186457058] [2022-11-21 16:37:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:55,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:37:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:37:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:37:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:37:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:37:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:37:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:37:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:37:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:37:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:37:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:37:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:37:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:37:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:37:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:37:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:37:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:37:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:37:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:37:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:37:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:37:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:37:56,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:56,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186457058] [2022-11-21 16:37:56,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186457058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:56,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:56,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:37:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834531520] [2022-11-21 16:37:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:56,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:56,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:56,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:56,722 INFO L87 Difference]: Start difference. First operand 3725 states and 5336 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:38:10,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:11,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:17,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:19,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:28,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:28,541 INFO L93 Difference]: Finished difference Result 3725 states and 5336 transitions. [2022-11-21 16:38:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:38:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2022-11-21 16:38:28,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:28,554 INFO L225 Difference]: With dead ends: 3725 [2022-11-21 16:38:28,554 INFO L226 Difference]: Without dead ends: 3723 [2022-11-21 16:38:28,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:38:28,556 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7482 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7313 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7882 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:28,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7882 Valid, 7137 Invalid, 11611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7313 Invalid, 0 Unknown, 0 Unchecked, 30.7s Time] [2022-11-21 16:38:28,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2022-11-21 16:38:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3723. [2022-11-21 16:38:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3723 states, 2559 states have (on average 1.3044157874169597) internal successors, (3338), 2658 states have internal predecessors, (3338), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:38:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 5334 transitions. [2022-11-21 16:38:29,035 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 5334 transitions. Word has length 143 [2022-11-21 16:38:29,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:29,036 INFO L495 AbstractCegarLoop]: Abstraction has 3723 states and 5334 transitions. [2022-11-21 16:38:29,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:38:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 5334 transitions. [2022-11-21 16:38:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 16:38:29,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:29,039 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:29,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:38:29,040 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:38:29,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2096304913, now seen corresponding path program 1 times [2022-11-21 16:38:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:29,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17562138] [2022-11-21 16:38:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:29,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:38:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:38:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:38:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:38:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:38:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:38:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:38:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:38:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:38:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:38:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:38:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:38:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:38:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:38:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:38:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:38:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:38:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:38:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:38:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:38:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:38:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:38:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:38:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:38:29,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:29,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17562138] [2022-11-21 16:38:29,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17562138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:29,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:29,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:38:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853525935] [2022-11-21 16:38:29,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:29,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:38:29,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:29,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:38:29,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:38:29,908 INFO L87 Difference]: Start difference. First operand 3723 states and 5334 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:38:43,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:47,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:38:49,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:00,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:00,267 INFO L93 Difference]: Finished difference Result 3723 states and 5334 transitions. [2022-11-21 16:39:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:39:00,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2022-11-21 16:39:00,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:00,278 INFO L225 Difference]: With dead ends: 3723 [2022-11-21 16:39:00,278 INFO L226 Difference]: Without dead ends: 3721 [2022-11-21 16:39:00,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:39:00,280 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7476 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7309 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7875 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:00,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7875 Valid, 7137 Invalid, 11607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7309 Invalid, 0 Unknown, 0 Unchecked, 29.2s Time] [2022-11-21 16:39:00,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2022-11-21 16:39:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 3721. [2022-11-21 16:39:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3721 states, 2558 states have (on average 1.3041438623924941) internal successors, (3336), 2656 states have internal predecessors, (3336), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-21 16:39:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 3721 states and 5332 transitions. [2022-11-21 16:39:00,747 INFO L78 Accepts]: Start accepts. Automaton has 3721 states and 5332 transitions. Word has length 149 [2022-11-21 16:39:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:00,748 INFO L495 AbstractCegarLoop]: Abstraction has 3721 states and 5332 transitions. [2022-11-21 16:39:00,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:39:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3721 states and 5332 transitions. [2022-11-21 16:39:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-21 16:39:00,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:00,750 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:39:00,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:39:00,751 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:39:00,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:00,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2134749240, now seen corresponding path program 1 times [2022-11-21 16:39:00,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:00,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148141896] [2022-11-21 16:39:00,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:00,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:39:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:39:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:39:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:39:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:39:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:39:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:39:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:39:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:39:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:39:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:39:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:39:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:39:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:39:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:39:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 16:39:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:39:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:39:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:39:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 16:39:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:39:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:39:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:39:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 16:39:02,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:02,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148141896] [2022-11-21 16:39:02,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148141896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:02,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:39:02,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:39:02,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847484796] [2022-11-21 16:39:02,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:02,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:39:02,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:39:02,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:39:02,486 INFO L87 Difference]: Start difference. First operand 3721 states and 5332 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:39:16,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:17,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:23,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:24,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:29,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:41,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:39:44,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:03,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:03,483 INFO L93 Difference]: Finished difference Result 4053 states and 5771 transitions. [2022-11-21 16:40:03,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:40:03,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 166 [2022-11-21 16:40:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:03,501 INFO L225 Difference]: With dead ends: 4053 [2022-11-21 16:40:03,502 INFO L226 Difference]: Without dead ends: 4051 [2022-11-21 16:40:03,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:40:03,505 INFO L413 NwaCegarLoop]: 2324 mSDtfsCounter, 9003 mSDsluCounter, 9627 mSDsCounter, 0 mSdLazyCounter, 15076 mSolverCounterSat, 5946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9391 SdHoareTripleChecker+Valid, 11951 SdHoareTripleChecker+Invalid, 21022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5946 IncrementalHoareTripleChecker+Valid, 15076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:40:03,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9391 Valid, 11951 Invalid, 21022 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5946 Valid, 15076 Invalid, 0 Unknown, 0 Unchecked, 59.5s Time] [2022-11-21 16:40:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2022-11-21 16:40:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 3955. [2022-11-21 16:40:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 2708 states have (on average 1.2980059084194977) internal successors, (3515), 2825 states have internal predecessors, (3515), 1047 states have call successors, (1047), 191 states have call predecessors, (1047), 190 states have return successors, (1050), 988 states have call predecessors, (1050), 1045 states have call successors, (1050) [2022-11-21 16:40:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5612 transitions. [2022-11-21 16:40:04,052 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5612 transitions. Word has length 166 [2022-11-21 16:40:04,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:04,052 INFO L495 AbstractCegarLoop]: Abstraction has 3955 states and 5612 transitions. [2022-11-21 16:40:04,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:40:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5612 transitions. [2022-11-21 16:40:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-21 16:40:04,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:04,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:04,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:40:04,056 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-21 16:40:04,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:04,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1373518408, now seen corresponding path program 1 times [2022-11-21 16:40:04,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:04,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227803362] [2022-11-21 16:40:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:40:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:40:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:40:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:40:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:40:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:40:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:40:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:40:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:40:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:40:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:40:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:40:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:40:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:40:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:40:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:40:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:40:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 16:40:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:40:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:40:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:40:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 16:40:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:40:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:40:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 16:40:04,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:04,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227803362] [2022-11-21 16:40:04,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227803362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:04,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:04,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:40:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817973352] [2022-11-21 16:40:04,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:04,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:40:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:04,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:40:04,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:40:04,838 INFO L87 Difference]: Start difference. First operand 3955 states and 5612 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)