./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:48:25,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:48:25,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:48:25,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:48:25,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:48:25,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:48:25,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:48:25,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:48:25,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:48:25,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:48:25,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:48:25,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:48:25,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:48:25,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:48:25,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:48:25,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:48:25,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:48:25,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:48:25,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:48:25,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:48:25,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:48:25,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:48:25,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:48:25,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:48:25,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:48:25,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:48:25,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:48:25,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:48:25,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:48:25,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:48:25,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:48:25,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:48:25,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:48:25,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:48:25,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:48:25,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:48:25,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:48:25,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:48:25,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:48:25,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:48:25,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:48:25,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:48:25,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:48:25,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:48:25,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:48:25,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:48:25,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:48:25,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:48:25,893 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:48:25,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:48:25,894 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:48:25,894 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:48:25,894 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:48:25,894 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:48:25,894 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:48:25,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:48:25,895 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:48:25,895 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:48:25,895 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:48:25,895 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:48:25,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:48:25,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:48:25,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:48:25,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:48:25,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:48:25,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:48:25,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:48:25,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:48:25,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:48:25,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:48:25,900 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 [2021-11-25 17:48:26,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:48:26,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:48:26,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:48:26,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:48:26,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:48:26,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-25 17:48:26,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/data/708625c0e/18cae1692d804d328afc4cc35c0cfd5c/FLAG403b649ee [2021-11-25 17:48:27,269 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:48:27,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-25 17:48:27,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/data/708625c0e/18cae1692d804d328afc4cc35c0cfd5c/FLAG403b649ee [2021-11-25 17:48:27,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/data/708625c0e/18cae1692d804d328afc4cc35c0cfd5c [2021-11-25 17:48:27,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:48:27,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:48:27,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:48:27,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:48:27,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:48:27,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:27" (1/1) ... [2021-11-25 17:48:27,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392974f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:27, skipping insertion in model container [2021-11-25 17:48:27,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:27" (1/1) ... [2021-11-25 17:48:27,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:48:27,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:48:33,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2021-11-25 17:48:33,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2021-11-25 17:48:33,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2021-11-25 17:48:33,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2021-11-25 17:48:33,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:48:33,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:48:33,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2021-11-25 17:48:33,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2021-11-25 17:48:33,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2021-11-25 17:48:33,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2021-11-25 17:48:33,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:48:34,358 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:48:34,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34 WrapperNode [2021-11-25 17:48:34,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:48:34,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:48:34,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:48:34,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:48:34,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:34,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:34,977 INFO L137 Inliner]: procedures = 693, calls = 4703, calls flagged for inlining = 355, calls inlined = 340, statements flattened = 9896 [2021-11-25 17:48:34,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:48:34,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:48:34,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:48:34,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:48:34,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:34,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:48:35,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:48:35,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:48:35,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:48:35,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (1/1) ... [2021-11-25 17:48:35,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:48:35,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:48:35,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:48:35,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd45a0a-243a-4ec3-8ccd-bcf876260a4c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:48:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2021-11-25 17:48:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2021-11-25 17:48:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2021-11-25 17:48:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2021-11-25 17:48:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2021-11-25 17:48:35,556 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2021-11-25 17:48:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:48:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:48:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2021-11-25 17:48:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2021-11-25 17:48:35,557 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2021-11-25 17:48:35,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2021-11-25 17:48:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2021-11-25 17:48:35,558 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2021-11-25 17:48:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2021-11-25 17:48:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2021-11-25 17:48:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_device [2021-11-25 17:48:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_device [2021-11-25 17:48:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:48:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:48:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2021-11-25 17:48:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2021-11-25 17:48:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2021-11-25 17:48:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2021-11-25 17:48:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2021-11-25 17:48:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2021-11-25 17:48:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2021-11-25 17:48:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2021-11-25 17:48:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:48:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:48:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2021-11-25 17:48:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2021-11-25 17:48:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2021-11-25 17:48:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2021-11-25 17:48:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2021-11-25 17:48:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2021-11-25 17:48:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2021-11-25 17:48:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2021-11-25 17:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 17:48:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 17:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2021-11-25 17:48:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2021-11-25 17:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2021-11-25 17:48:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2021-11-25 17:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2021-11-25 17:48:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2021-11-25 17:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2021-11-25 17:48:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2021-11-25 17:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_device [2021-11-25 17:48:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_device [2021-11-25 17:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2021-11-25 17:48:35,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2021-11-25 17:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2021-11-25 17:48:35,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2021-11-25 17:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2021-11-25 17:48:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2021-11-25 17:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2021-11-25 17:48:35,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2021-11-25 17:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:48:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 17:48:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 17:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2021-11-25 17:48:35,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2021-11-25 17:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2021-11-25 17:48:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2021-11-25 17:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:48:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2021-11-25 17:48:35,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2021-11-25 17:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 17:48:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 17:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 17:48:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 17:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2021-11-25 17:48:35,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2021-11-25 17:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-25 17:48:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-25 17:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2021-11-25 17:48:35,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2021-11-25 17:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:48:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2021-11-25 17:48:35,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2021-11-25 17:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_31 [2021-11-25 17:48:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_31 [2021-11-25 17:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 17:48:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 17:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-25 17:48:35,575 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-25 17:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2021-11-25 17:48:35,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2021-11-25 17:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 17:48:35,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 17:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2021-11-25 17:48:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2021-11-25 17:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 17:48:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 17:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2021-11-25 17:48:35,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2021-11-25 17:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:48:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2021-11-25 17:48:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2021-11-25 17:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2021-11-25 17:48:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2021-11-25 17:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2021-11-25 17:48:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2021-11-25 17:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 17:48:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 17:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 17:48:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 17:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 17:48:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 17:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2021-11-25 17:48:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2021-11-25 17:48:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2021-11-25 17:48:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2021-11-25 17:48:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2021-11-25 17:48:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2021-11-25 17:48:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2021-11-25 17:48:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2021-11-25 17:48:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2021-11-25 17:48:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2021-11-25 17:48:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:48:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 17:48:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 17:48:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 17:48:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 17:48:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-25 17:48:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-25 17:48:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-25 17:48:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-25 17:48:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 17:48:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 17:48:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2021-11-25 17:48:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2021-11-25 17:48:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2021-11-25 17:48:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2021-11-25 17:48:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-25 17:48:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-25 17:48:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:48:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2021-11-25 17:48:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2021-11-25 17:48:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:48:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:48:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:48:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2021-11-25 17:48:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2021-11-25 17:48:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2021-11-25 17:48:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2021-11-25 17:48:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:48:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:48:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2021-11-25 17:48:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2021-11-25 17:48:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:48:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:48:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2021-11-25 17:48:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2021-11-25 17:48:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2021-11-25 17:48:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2021-11-25 17:48:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2021-11-25 17:48:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2021-11-25 17:48:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2021-11-25 17:48:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2021-11-25 17:48:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2021-11-25 17:48:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2021-11-25 17:48:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2021-11-25 17:48:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2021-11-25 17:48:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2021-11-25 17:48:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2021-11-25 17:48:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-25 17:48:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-25 17:48:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2021-11-25 17:48:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2021-11-25 17:48:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:48:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:48:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 17:48:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 17:48:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2021-11-25 17:48:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2021-11-25 17:48:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:48:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:48:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2021-11-25 17:48:35,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2021-11-25 17:48:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 17:48:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 17:48:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2021-11-25 17:48:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2021-11-25 17:48:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2021-11-25 17:48:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2021-11-25 17:48:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2021-11-25 17:48:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2021-11-25 17:48:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2021-11-25 17:48:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2021-11-25 17:48:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2021-11-25 17:48:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2021-11-25 17:48:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2021-11-25 17:48:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2021-11-25 17:48:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2021-11-25 17:48:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2021-11-25 17:48:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2021-11-25 17:48:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2021-11-25 17:48:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:48:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:48:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2021-11-25 17:48:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2021-11-25 17:48:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2021-11-25 17:48:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2021-11-25 17:48:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2021-11-25 17:48:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2021-11-25 17:48:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2021-11-25 17:48:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2021-11-25 17:48:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 17:48:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 17:48:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2021-11-25 17:48:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2021-11-25 17:48:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2021-11-25 17:48:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2021-11-25 17:48:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:48:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:48:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2021-11-25 17:48:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2021-11-25 17:48:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2021-11-25 17:48:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2021-11-25 17:48:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2021-11-25 17:48:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2021-11-25 17:48:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2021-11-25 17:48:35,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2021-11-25 17:48:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 17:48:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 17:48:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2021-11-25 17:48:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2021-11-25 17:48:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-25 17:48:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-25 17:48:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2021-11-25 17:48:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2021-11-25 17:48:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-25 17:48:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-25 17:48:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 17:48:35,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 17:48:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2021-11-25 17:48:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2021-11-25 17:48:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2021-11-25 17:48:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2021-11-25 17:48:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_graph_mutex_of_media_device [2021-11-25 17:48:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_graph_mutex_of_media_device [2021-11-25 17:48:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:48:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 17:48:35,616 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 17:48:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2021-11-25 17:48:35,616 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2021-11-25 17:48:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:48:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2021-11-25 17:48:35,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2021-11-25 17:48:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2021-11-25 17:48:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2021-11-25 17:48:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2021-11-25 17:48:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2021-11-25 17:48:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:48:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2021-11-25 17:48:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2021-11-25 17:48:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2021-11-25 17:48:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2021-11-25 17:48:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 17:48:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 17:48:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2021-11-25 17:48:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2021-11-25 17:48:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 17:48:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 17:48:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 17:48:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 17:48:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-11-25 17:48:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-11-25 17:48:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:48:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:48:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-25 17:48:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-25 17:48:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2021-11-25 17:48:35,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2021-11-25 17:48:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 17:48:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 17:48:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2021-11-25 17:48:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2021-11-25 17:48:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2021-11-25 17:48:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2021-11-25 17:48:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2021-11-25 17:48:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2021-11-25 17:48:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2021-11-25 17:48:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2021-11-25 17:48:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2021-11-25 17:48:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2021-11-25 17:48:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2021-11-25 17:48:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2021-11-25 17:48:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2021-11-25 17:48:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2021-11-25 17:48:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-11-25 17:48:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2021-11-25 17:48:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2021-11-25 17:48:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 17:48:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 17:48:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2021-11-25 17:48:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2021-11-25 17:48:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2021-11-25 17:48:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2021-11-25 17:48:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 17:48:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 17:48:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2021-11-25 17:48:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2021-11-25 17:48:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2021-11-25 17:48:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2021-11-25 17:48:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_video [2021-11-25 17:48:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_video [2021-11-25 17:48:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2021-11-25 17:48:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2021-11-25 17:48:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2021-11-25 17:48:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2021-11-25 17:48:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 17:48:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 17:48:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:48:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-25 17:48:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-25 17:48:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:48:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:48:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2021-11-25 17:48:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2021-11-25 17:48:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-25 17:48:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-25 17:48:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2021-11-25 17:48:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2021-11-25 17:48:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2021-11-25 17:48:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2021-11-25 17:48:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2021-11-25 17:48:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2021-11-25 17:48:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-25 17:48:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-25 17:48:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2021-11-25 17:48:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2021-11-25 17:48:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2021-11-25 17:48:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2021-11-25 17:48:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2021-11-25 17:48:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2021-11-25 17:48:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2021-11-25 17:48:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2021-11-25 17:48:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2021-11-25 17:48:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2021-11-25 17:48:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_video [2021-11-25 17:48:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_video [2021-11-25 17:48:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-25 17:48:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-25 17:48:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2021-11-25 17:48:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2021-11-25 17:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2021-11-25 17:48:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2021-11-25 17:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 17:48:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 17:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:48:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2021-11-25 17:48:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2021-11-25 17:48:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 17:48:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 17:48:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-25 17:48:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-25 17:48:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2021-11-25 17:48:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2021-11-25 17:48:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2021-11-25 17:48:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2021-11-25 17:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2021-11-25 17:48:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2021-11-25 17:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:48:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 17:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 17:48:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 17:48:37,222 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:48:37,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:48:39,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 17:50:00,721 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 17:50:00,900 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:50:03,513 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:50:03,518 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:50:03,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:03 BoogieIcfgContainer [2021-11-25 17:50:03,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:50:03,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:50:03,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:50:03,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:50:03,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:48:27" (1/3) ... [2021-11-25 17:50:03,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d45122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:03, skipping insertion in model container [2021-11-25 17:50:03,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:34" (2/3) ... [2021-11-25 17:50:03,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d45122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:03, skipping insertion in model container [2021-11-25 17:50:03,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:03" (3/3) ... [2021-11-25 17:50:03,540 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-25 17:50:03,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:50:03,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 17:50:03,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:50:03,634 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:50:03,634 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 17:50:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) [2021-11-25 17:50:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2021-11-25 17:50:03,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:50:03,812 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:50:03,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:50:03,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:50:03,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1962090291, now seen corresponding path program 1 times [2021-11-25 17:50:03,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:50:03,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766237883] [2021-11-25 17:50:03,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:50:03,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:50:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:50:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2021-11-25 17:50:05,960 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:50:05,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766237883] [2021-11-25 17:50:05,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766237883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:50:05,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:50:05,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:50:05,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653684564] [2021-11-25 17:50:05,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:50:05,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:50:05,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:50:06,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:50:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:50:06,023 INFO L87 Difference]: Start difference. First operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:50:12,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:14,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:16,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:18,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:50:20,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:21,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:22,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:25,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:27,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:33,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:35,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:50:42,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:50:43,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:50:43,695 INFO L93 Difference]: Finished difference Result 7998 states and 11770 transitions. [2021-11-25 17:50:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:50:43,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1124 [2021-11-25 17:50:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:50:43,780 INFO L225 Difference]: With dead ends: 7998 [2021-11-25 17:50:43,780 INFO L226 Difference]: Without dead ends: 5341 [2021-11-25 17:50:43,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:50:43,816 INFO L933 BasicCegarLoop]: 4279 mSDtfsCounter, 3637 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 22 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:50:43,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3647 Valid, 7784 Invalid, 1217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1187 Invalid, 8 Unknown, 0 Unchecked, 37.1s Time] [2021-11-25 17:50:43,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5341 states. [2021-11-25 17:50:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5341 to 5335. [2021-11-25 17:50:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 3372 states have (on average 1.333926453143535) internal successors, (4498), 3417 states have internal predecessors, (4498), 1604 states have call successors, (1604), 357 states have call predecessors, (1604), 356 states have return successors, (1610), 1590 states have call predecessors, (1610), 1600 states have call successors, (1610) [2021-11-25 17:50:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 7712 transitions. [2021-11-25 17:50:44,296 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 7712 transitions. Word has length 1124 [2021-11-25 17:50:44,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:50:44,306 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 7712 transitions. [2021-11-25 17:50:44,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:50:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 7712 transitions. [2021-11-25 17:50:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2021-11-25 17:50:44,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:50:44,382 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:50:44,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:50:44,383 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:50:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:50:44,386 INFO L85 PathProgramCache]: Analyzing trace with hash 867282058, now seen corresponding path program 1 times [2021-11-25 17:50:44,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:50:44,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107718124] [2021-11-25 17:50:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:50:44,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:50:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:50:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-25 17:50:45,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:50:45,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107718124] [2021-11-25 17:50:45,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107718124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:50:45,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:50:45,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:50:45,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047568018] [2021-11-25 17:50:45,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:50:45,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:50:45,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:50:45,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:50:45,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:50:45,379 INFO L87 Difference]: Start difference. First operand 5335 states and 7712 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2021-11-25 17:50:51,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:53,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:55,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:50:57,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:01,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:03,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:06,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:51:11,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:15,438 INFO L93 Difference]: Finished difference Result 12718 states and 18326 transitions. [2021-11-25 17:51:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:15,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) Word has length 1135 [2021-11-25 17:51:15,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:15,506 INFO L225 Difference]: With dead ends: 12718 [2021-11-25 17:51:15,506 INFO L226 Difference]: Without dead ends: 7604 [2021-11-25 17:51:15,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:15,537 INFO L933 BasicCegarLoop]: 4260 mSDtfsCounter, 3453 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3460 SdHoareTripleChecker+Valid, 7764 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:15,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3460 Valid, 7764 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1164 Invalid, 6 Unknown, 0 Unchecked, 29.7s Time] [2021-11-25 17:51:15,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2021-11-25 17:51:15,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 7577. [2021-11-25 17:51:15,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7577 states, 4778 states have (on average 1.3313101716199247) internal successors, (6361), 4846 states have internal predecessors, (6361), 2267 states have call successors, (2267), 530 states have call predecessors, (2267), 529 states have return successors, (2276), 2243 states have call predecessors, (2276), 2263 states have call successors, (2276) [2021-11-25 17:51:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7577 states to 7577 states and 10904 transitions. [2021-11-25 17:51:15,937 INFO L78 Accepts]: Start accepts. Automaton has 7577 states and 10904 transitions. Word has length 1135 [2021-11-25 17:51:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:15,941 INFO L470 AbstractCegarLoop]: Abstraction has 7577 states and 10904 transitions. [2021-11-25 17:51:15,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2021-11-25 17:51:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7577 states and 10904 transitions. [2021-11-25 17:51:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2021-11-25 17:51:15,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:15,977 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:15,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:51:15,977 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:51:15,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1299981323, now seen corresponding path program 1 times [2021-11-25 17:51:15,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:15,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113483525] [2021-11-25 17:51:15,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:15,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-25 17:51:16,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:16,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113483525] [2021-11-25 17:51:16,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113483525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:16,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:16,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:51:16,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050644223] [2021-11-25 17:51:16,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:16,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:16,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:16,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:16,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:16,819 INFO L87 Difference]: Start difference. First operand 7577 states and 10904 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:51:24,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:26,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:28,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:29,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:30,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:32,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:51:37,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:40,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:51:43,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:47,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:49,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:51:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:51,996 INFO L93 Difference]: Finished difference Result 21934 states and 31539 transitions. [2021-11-25 17:51:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:51:51,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1142 [2021-11-25 17:51:52,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:52,113 INFO L225 Difference]: With dead ends: 21934 [2021-11-25 17:51:52,113 INFO L226 Difference]: Without dead ends: 14578 [2021-11-25 17:51:52,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:52,166 INFO L933 BasicCegarLoop]: 4255 mSDtfsCounter, 3546 mSDsluCounter, 4013 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 29 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3555 SdHoareTripleChecker+Valid, 7739 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:52,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3555 Valid, 7739 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1205 Invalid, 8 Unknown, 0 Unchecked, 34.6s Time] [2021-11-25 17:51:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14578 states. [2021-11-25 17:51:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14578 to 14548. [2021-11-25 17:51:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14548 states, 9188 states have (on average 1.328036569438398) internal successors, (12202), 9329 states have internal predecessors, (12202), 4308 states have call successors, (4308), 1050 states have call predecessors, (4308), 1049 states have return successors, (4338), 4254 states have call predecessors, (4338), 4304 states have call successors, (4338) [2021-11-25 17:51:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14548 states to 14548 states and 20848 transitions. [2021-11-25 17:51:52,918 INFO L78 Accepts]: Start accepts. Automaton has 14548 states and 20848 transitions. Word has length 1142 [2021-11-25 17:51:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:52,920 INFO L470 AbstractCegarLoop]: Abstraction has 14548 states and 20848 transitions. [2021-11-25 17:51:52,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:51:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14548 states and 20848 transitions. [2021-11-25 17:51:52,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2021-11-25 17:51:52,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:52,945 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:52,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:51:52,945 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:51:52,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash 789937342, now seen corresponding path program 1 times [2021-11-25 17:51:52,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:51:52,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004929368] [2021-11-25 17:51:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:52,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:51:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-25 17:51:53,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:51:53,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004929368] [2021-11-25 17:51:53,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004929368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:53,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:53,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:51:53,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662179540] [2021-11-25 17:51:53,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:53,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:51:53,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:51:53,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:51:53,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:51:53,802 INFO L87 Difference]: Start difference. First operand 14548 states and 20848 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-25 17:51:59,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:01,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:03,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:05,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:10,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:12,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:16,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:52:19,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:52:21,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:24,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:26,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:52:26,462 INFO L93 Difference]: Finished difference Result 38079 states and 54544 transitions. [2021-11-25 17:52:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:52:26,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1150 [2021-11-25 17:52:26,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:52:26,601 INFO L225 Difference]: With dead ends: 38079 [2021-11-25 17:52:26,601 INFO L226 Difference]: Without dead ends: 23752 [2021-11-25 17:52:26,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:52:26,670 INFO L933 BasicCegarLoop]: 4285 mSDtfsCounter, 3637 mSDsluCounter, 4053 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 7796 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2021-11-25 17:52:26,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3646 Valid, 7796 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1161 Invalid, 7 Unknown, 0 Unchecked, 32.1s Time] [2021-11-25 17:52:26,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23752 states. [2021-11-25 17:52:28,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23752 to 23721. [2021-11-25 17:52:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23721 states, 15000 states have (on average 1.3268666666666666) internal successors, (19903), 15233 states have internal predecessors, (19903), 6987 states have call successors, (6987), 1731 states have call predecessors, (6987), 1731 states have return successors, (7042), 6891 states have call predecessors, (7042), 6983 states have call successors, (7042) [2021-11-25 17:52:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23721 states to 23721 states and 33932 transitions. [2021-11-25 17:52:28,289 INFO L78 Accepts]: Start accepts. Automaton has 23721 states and 33932 transitions. Word has length 1150 [2021-11-25 17:52:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:52:28,291 INFO L470 AbstractCegarLoop]: Abstraction has 23721 states and 33932 transitions. [2021-11-25 17:52:28,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-25 17:52:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 23721 states and 33932 transitions. [2021-11-25 17:52:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2021-11-25 17:52:28,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:52:28,317 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:52:28,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:52:28,318 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:52:28,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:52:28,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1050986394, now seen corresponding path program 1 times [2021-11-25 17:52:28,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:52:28,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329611906] [2021-11-25 17:52:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:52:28,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:52:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:52:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-25 17:52:29,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:52:29,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329611906] [2021-11-25 17:52:29,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329611906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:52:29,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:52:29,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:52:29,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969128580] [2021-11-25 17:52:29,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:52:29,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:52:29,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:52:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:52:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:52:29,159 INFO L87 Difference]: Start difference. First operand 23721 states and 33932 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:52:32,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:52:35,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:37,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:39,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:41,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:43,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:48,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:50,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:57,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:02,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:04,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:04,547 INFO L93 Difference]: Finished difference Result 64880 states and 92815 transitions. [2021-11-25 17:53:04,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:53:04,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1156 [2021-11-25 17:53:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:04,757 INFO L225 Difference]: With dead ends: 64880 [2021-11-25 17:53:04,758 INFO L226 Difference]: Without dead ends: 41380 [2021-11-25 17:53:04,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:04,846 INFO L933 BasicCegarLoop]: 4335 mSDtfsCounter, 3626 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 7850 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:04,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3636 Valid, 7850 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1154 Invalid, 7 Unknown, 0 Unchecked, 34.5s Time] [2021-11-25 17:53:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41380 states. [2021-11-25 17:53:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41380 to 41341. [2021-11-25 17:53:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41341 states, 26148 states have (on average 1.3279027076640662) internal successors, (34722), 26578 states have internal predecessors, (34722), 12142 states have call successors, (12142), 3048 states have call predecessors, (12142), 3048 states have return successors, (12257), 11950 states have call predecessors, (12257), 12138 states have call successors, (12257) [2021-11-25 17:53:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41341 states to 41341 states and 59121 transitions. [2021-11-25 17:53:07,580 INFO L78 Accepts]: Start accepts. Automaton has 41341 states and 59121 transitions. Word has length 1156 [2021-11-25 17:53:07,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:07,582 INFO L470 AbstractCegarLoop]: Abstraction has 41341 states and 59121 transitions. [2021-11-25 17:53:07,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:53:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 41341 states and 59121 transitions. [2021-11-25 17:53:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2021-11-25 17:53:07,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:07,608 INFO L514 BasicCegarLoop]: trace histogram [112, 111, 111, 111, 111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:53:07,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:53:07,609 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:53:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash 435082301, now seen corresponding path program 1 times [2021-11-25 17:53:07,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:07,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130490287] [2021-11-25 17:53:07,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:07,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49062 trivial. 0 not checked. [2021-11-25 17:53:08,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:08,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130490287] [2021-11-25 17:53:08,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130490287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:08,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:08,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:53:08,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402810362] [2021-11-25 17:53:08,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:08,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:53:08,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:53:08,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:08,658 INFO L87 Difference]: Start difference. First operand 41341 states and 59121 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:53:13,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:16,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:18,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:20,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:26,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:28,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:35,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:41,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:44,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:44,020 INFO L93 Difference]: Finished difference Result 118266 states and 169178 transitions. [2021-11-25 17:53:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:53:44,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1159 [2021-11-25 17:53:44,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:44,559 INFO L225 Difference]: With dead ends: 118266 [2021-11-25 17:53:44,559 INFO L226 Difference]: Without dead ends: 77146 [2021-11-25 17:53:44,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:44,690 INFO L933 BasicCegarLoop]: 4291 mSDtfsCounter, 3650 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 7811 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:44,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 7811 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1151 Invalid, 7 Unknown, 0 Unchecked, 33.7s Time] [2021-11-25 17:53:44,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77146 states. [2021-11-25 17:53:48,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77146 to 77075. [2021-11-25 17:53:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77075 states, 48869 states have (on average 1.3284699912009659) internal successors, (64921), 49717 states have internal predecessors, (64921), 22502 states have call successors, (22502), 5701 states have call predecessors, (22502), 5701 states have return successors, (22728), 22096 states have call predecessors, (22728), 22498 states have call successors, (22728) [2021-11-25 17:53:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77075 states to 77075 states and 110151 transitions. [2021-11-25 17:53:48,988 INFO L78 Accepts]: Start accepts. Automaton has 77075 states and 110151 transitions. Word has length 1159 [2021-11-25 17:53:48,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:48,989 INFO L470 AbstractCegarLoop]: Abstraction has 77075 states and 110151 transitions. [2021-11-25 17:53:48,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-25 17:53:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 77075 states and 110151 transitions. [2021-11-25 17:53:49,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2021-11-25 17:53:49,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:49,017 INFO L514 BasicCegarLoop]: trace histogram [112, 110, 110, 110, 110, 110, 110, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:53:49,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 17:53:49,018 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:53:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:49,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1729495005, now seen corresponding path program 1 times [2021-11-25 17:53:49,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:49,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407160556] [2021-11-25 17:53:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:49,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 48408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48402 trivial. 0 not checked. [2021-11-25 17:53:50,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:50,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407160556] [2021-11-25 17:53:50,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407160556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:50,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:50,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:53:50,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373848790] [2021-11-25 17:53:50,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:50,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:53:50,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:50,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:53:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:53:50,188 INFO L87 Difference]: Start difference. First operand 77075 states and 110151 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-25 17:53:54,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:53:57,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:59,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:01,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:04,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:07,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:09,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:15,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:17,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:25,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:27,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:54:31,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:31,091 INFO L93 Difference]: Finished difference Result 219360 states and 313556 transitions. [2021-11-25 17:54:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:54:31,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1161 [2021-11-25 17:54:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:32,202 INFO L225 Difference]: With dead ends: 219360 [2021-11-25 17:54:32,202 INFO L226 Difference]: Without dead ends: 142506 [2021-11-25 17:54:32,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:54:32,456 INFO L933 BasicCegarLoop]: 5635 mSDtfsCounter, 3666 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 12 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 9146 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:32,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3678 Valid, 9146 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1464 Invalid, 8 Unknown, 0 Unchecked, 37.3s Time] [2021-11-25 17:54:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142506 states. [2021-11-25 17:54:37,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142506 to 142419. [2021-11-25 17:54:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142419 states, 90587 states have (on average 1.328722664399969) internal successors, (120365), 92201 states have internal predecessors, (120365), 41201 states have call successors, (41201), 10661 states have call predecessors, (41201), 10628 states have return successors, (41716), 40375 states have call predecessors, (41716), 41197 states have call successors, (41716) [2021-11-25 17:54:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142419 states to 142419 states and 203282 transitions. [2021-11-25 17:54:38,300 INFO L78 Accepts]: Start accepts. Automaton has 142419 states and 203282 transitions. Word has length 1161 [2021-11-25 17:54:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:38,301 INFO L470 AbstractCegarLoop]: Abstraction has 142419 states and 203282 transitions. [2021-11-25 17:54:38,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-25 17:54:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 142419 states and 203282 transitions. [2021-11-25 17:54:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2021-11-25 17:54:38,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:38,716 INFO L514 BasicCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:54:38,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 17:54:38,717 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:54:38,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1888593128, now seen corresponding path program 1 times [2021-11-25 17:54:38,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:38,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397091169] [2021-11-25 17:54:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:38,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2021-11-25 17:54:40,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:40,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397091169] [2021-11-25 17:54:40,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397091169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:40,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:40,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:54:40,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324511001] [2021-11-25 17:54:40,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:40,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:54:40,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:40,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:54:40,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:40,676 INFO L87 Difference]: Start difference. First operand 142419 states and 203282 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-25 17:54:50,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:52,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:54,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:56,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:58,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:05,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:07,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:12,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:14,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:22,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:55:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:25,393 INFO L93 Difference]: Finished difference Result 143479 states and 204250 transitions. [2021-11-25 17:55:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:55:25,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 1181 [2021-11-25 17:55:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:25,958 INFO L225 Difference]: With dead ends: 143479 [2021-11-25 17:55:25,958 INFO L226 Difference]: Without dead ends: 143477 [2021-11-25 17:55:26,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 17:55:26,002 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 3783 mSDsluCounter, 8328 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3799 SdHoareTripleChecker+Valid, 10722 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:26,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3799 Valid, 10722 Invalid, 1741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1733 Invalid, 6 Unknown, 0 Unchecked, 41.4s Time] [2021-11-25 17:55:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143477 states. [2021-11-25 17:55:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143477 to 143473. [2021-11-25 17:55:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143473 states, 91185 states have (on average 1.3273345396720952) internal successors, (121033), 92808 states have internal predecessors, (121033), 41343 states have call successors, (41343), 10966 states have call predecessors, (41343), 10942 states have return successors, (41869), 40517 states have call predecessors, (41869), 41339 states have call successors, (41869) [2021-11-25 17:55:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143473 states to 143473 states and 204245 transitions. [2021-11-25 17:55:31,993 INFO L78 Accepts]: Start accepts. Automaton has 143473 states and 204245 transitions. Word has length 1181 [2021-11-25 17:55:31,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:31,995 INFO L470 AbstractCegarLoop]: Abstraction has 143473 states and 204245 transitions. [2021-11-25 17:55:31,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-25 17:55:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 143473 states and 204245 transitions. [2021-11-25 17:55:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2021-11-25 17:55:32,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:32,019 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:55:32,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 17:55:32,019 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 17:55:32,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2019282113, now seen corresponding path program 1 times [2021-11-25 17:55:32,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:32,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317684180] [2021-11-25 17:55:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:32,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-25 17:55:32,867 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:32,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317684180] [2021-11-25 17:55:32,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317684180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:32,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:32,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:55:32,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865133835] [2021-11-25 17:55:32,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:32,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:55:32,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:55:32,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:55:32,871 INFO L87 Difference]: Start difference. First operand 143473 states and 204245 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2021-11-25 17:55:38,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:44,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:46,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:48,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:50,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:52,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:55,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:02,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:03,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:05,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:09,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:16,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:56:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:21,965 INFO L93 Difference]: Finished difference Result 426314 states and 607120 transitions. [2021-11-25 17:56:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:56:21,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 1179 [2021-11-25 17:56:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:23,397 INFO L225 Difference]: With dead ends: 426314 [2021-11-25 17:56:23,397 INFO L226 Difference]: Without dead ends: 283062 [2021-11-25 17:56:23,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:56:23,792 INFO L933 BasicCegarLoop]: 4664 mSDtfsCounter, 3720 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8195 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:23,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3729 Valid, 8195 Invalid, 1194 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 1182 Invalid, 7 Unknown, 0 Unchecked, 40.9s Time] [2021-11-25 17:56:23,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283062 states.