./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/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_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:21:35,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:21:35,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:21:35,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:21:35,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:21:35,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:21:35,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:21:35,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:21:35,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:21:35,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:21:35,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:21:35,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:21:35,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:21:35,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:21:35,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:21:35,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:21:35,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:21:35,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:21:35,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:21:35,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:21:35,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:21:35,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:21:35,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:21:35,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:21:35,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:21:35,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:21:35,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:21:35,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:21:35,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:21:35,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:21:35,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:21:35,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:21:35,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:21:35,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:21:35,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:21:35,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:21:35,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:21:35,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:21:35,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:21:35,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:21:35,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:21:35,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:21:35,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:21:35,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:21:35,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:21:35,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:21:35,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:21:35,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:21:35,671 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:21:35,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:21:35,671 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:21:35,672 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:21:35,673 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:21:35,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:21:35,673 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:21:35,674 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:21:35,674 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:21:35,674 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:21:35,674 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:21:35,675 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:21:35,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:21:35,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:21:35,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:21:35,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:21:35,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:21:35,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:21:35,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:21:35,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:21:35,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:21:35,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:21:35,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:21:35,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:21:35,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:21:35,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:21:35,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:21:35,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:21:35,681 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:21:35,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:21:35,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:21:35,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:21:35,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 [2022-11-22 00:21:35,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:21:35,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:21:35,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:21:35,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:21:35,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:21:35,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 00:21:38,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:21:39,727 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:21:39,729 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 00:21:39,807 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/data/9d26df0ad/d81cdec8c85541e39e34957c938dee29/FLAG49273d4a5 [2022-11-22 00:21:39,826 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/data/9d26df0ad/d81cdec8c85541e39e34957c938dee29 [2022-11-22 00:21:39,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:21:39,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:21:39,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:21:39,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:21:39,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:21:39,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:21:39" (1/1) ... [2022-11-22 00:21:39,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2848c496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:39, skipping insertion in model container [2022-11-22 00:21:39,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:21:39" (1/1) ... [2022-11-22 00:21:39,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:21:40,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:21:45,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:21:45,196 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:21:45,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/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] [2022-11-22 00:21:45,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:21:46,275 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:21:46,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46 WrapperNode [2022-11-22 00:21:46,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:21:46,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:21:46,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:21:46,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:21:46,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:46,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:46,774 INFO L138 Inliner]: procedures = 693, calls = 4670, calls flagged for inlining = 355, calls inlined = 340, statements flattened = 9923 [2022-11-22 00:21:46,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:21:46,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:21:46,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:21:46,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:21:46,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:46,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:46,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:46,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:21:47,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:21:47,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:21:47,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:21:47,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (1/1) ... [2022-11-22 00:21:47,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:21:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:21:47,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:21:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5eba567-e3ad-4013-8dcb-2a5f73e10a3b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:21:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-11-22 00:21:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-11-22 00:21:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-11-22 00:21:47,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-11-22 00:21:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-11-22 00:21:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-11-22 00:21:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:21:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:21:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-11-22 00:21:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-11-22 00:21:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-11-22 00:21:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-11-22 00:21:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-11-22 00:21:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-11-22 00:21:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-11-22 00:21:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-11-22 00:21:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-11-22 00:21:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-11-22 00:21:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:21:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:21:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-11-22 00:21:47,656 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-11-22 00:21:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-11-22 00:21:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-11-22 00:21:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-11-22 00:21:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-11-22 00:21:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-11-22 00:21:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-11-22 00:21:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 00:21:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 00:21:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-11-22 00:21:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-11-22 00:21:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-11-22 00:21:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-11-22 00:21:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-11-22 00:21:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-11-22 00:21:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-11-22 00:21:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-11-22 00:21:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:21:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:21:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-11-22 00:21:47,659 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-11-22 00:21:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-11-22 00:21:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-11-22 00:21:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-11-22 00:21:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-11-22 00:21:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-11-22 00:21:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-11-22 00:21:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-11-22 00:21:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-11-22 00:21:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-11-22 00:21:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-11-22 00:21:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-11-22 00:21:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-11-22 00:21:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-11-22 00:21:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-11-22 00:21:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-11-22 00:21:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-11-22 00:21:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:21:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:21:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 00:21:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 00:21:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-11-22 00:21:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-11-22 00:21:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-11-22 00:21:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-11-22 00:21:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:21:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:21:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-11-22 00:21:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-11-22 00:21:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-22 00:21:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-22 00:21:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 00:21:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 00:21:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-11-22 00:21:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-11-22 00:21:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-22 00:21:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-22 00:21:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-11-22 00:21:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-11-22 00:21:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:21:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-11-22 00:21:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-11-22 00:21:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_31 [2022-11-22 00:21:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_31 [2022-11-22 00:21:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 00:21:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 00:21:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-22 00:21:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-22 00:21:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-11-22 00:21:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-11-22 00:21:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:21:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:21:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-11-22 00:21:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-11-22 00:21:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-22 00:21:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-22 00:21:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-11-22 00:21:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-11-22 00:21:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:21:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:21:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-11-22 00:21:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-11-22 00:21:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-11-22 00:21:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-11-22 00:21:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:21:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-11-22 00:21:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-11-22 00:21:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 00:21:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 00:21:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 00:21:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 00:21:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 00:21:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 00:21:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-11-22 00:21:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-11-22 00:21:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-11-22 00:21:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-11-22 00:21:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-11-22 00:21:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-11-22 00:21:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-11-22 00:21:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-11-22 00:21:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-11-22 00:21:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-11-22 00:21:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:21:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 00:21:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 00:21:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 00:21:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 00:21:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 00:21:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 00:21:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-22 00:21:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-22 00:21:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 00:21:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 00:21:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-11-22 00:21:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-11-22 00:21:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-11-22 00:21:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-11-22 00:21:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-22 00:21:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-22 00:21:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:21:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-11-22 00:21:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-11-22 00:21:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:21:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:21:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:21:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-11-22 00:21:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-11-22 00:21:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-11-22 00:21:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-11-22 00:21:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:21:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:21:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-11-22 00:21:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-11-22 00:21:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:21:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:21:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-11-22 00:21:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-11-22 00:21:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-11-22 00:21:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-11-22 00:21:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-11-22 00:21:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-11-22 00:21:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-11-22 00:21:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-11-22 00:21:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-11-22 00:21:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-11-22 00:21:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-11-22 00:21:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-11-22 00:21:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-11-22 00:21:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-11-22 00:21:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-22 00:21:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-22 00:21:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-11-22 00:21:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-11-22 00:21:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:21:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:21:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-22 00:21:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-22 00:21:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-11-22 00:21:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-11-22 00:21:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:21:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:21:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-11-22 00:21:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-11-22 00:21:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 00:21:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 00:21:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-11-22 00:21:47,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-11-22 00:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-11-22 00:21:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-11-22 00:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-11-22 00:21:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-11-22 00:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-11-22 00:21:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-11-22 00:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-11-22 00:21:47,693 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-11-22 00:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-11-22 00:21:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-11-22 00:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-11-22 00:21:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-11-22 00:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-11-22 00:21:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-11-22 00:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:21:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-11-22 00:21:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-11-22 00:21:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-11-22 00:21:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-11-22 00:21:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-11-22 00:21:47,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-11-22 00:21:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-11-22 00:21:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-11-22 00:21:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 00:21:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 00:21:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-11-22 00:21:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-11-22 00:21:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-11-22 00:21:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-11-22 00:21:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:21:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-11-22 00:21:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-11-22 00:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-11-22 00:21:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-11-22 00:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-11-22 00:21:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-11-22 00:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-11-22 00:21:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-11-22 00:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 00:21:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 00:21:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-11-22 00:21:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-11-22 00:21:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 00:21:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 00:21:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-11-22 00:21:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-11-22 00:21:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-22 00:21:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-22 00:21:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 00:21:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 00:21:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-11-22 00:21:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-11-22 00:21:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-11-22 00:21:47,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-11-22 00:21:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:21:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-11-22 00:21:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:21:47,706 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-11-22 00:21:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-11-22 00:21:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-11-22 00:21:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-11-22 00:21:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-11-22 00:21:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-11-22 00:21:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:21:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-11-22 00:21:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-11-22 00:21:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-11-22 00:21:47,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 00:21:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-11-22 00:21:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-22 00:21:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 00:21:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-22 00:21:47,708 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-22 00:21:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:21:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:21:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-22 00:21:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-22 00:21:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-11-22 00:21:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-11-22 00:21:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:21:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:21:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-11-22 00:21:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-11-22 00:21:47,709 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-11-22 00:21:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-11-22 00:21:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-11-22 00:21:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-11-22 00:21:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-11-22 00:21:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-11-22 00:21:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-11-22 00:21:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-11-22 00:21:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-11-22 00:21:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-11-22 00:21:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-11-22 00:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-11-22 00:21:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-22 00:21:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-11-22 00:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-11-22 00:21:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:21:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-11-22 00:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-11-22 00:21:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-11-22 00:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-11-22 00:21:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 00:21:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 00:21:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-11-22 00:21:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-11-22 00:21:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-11-22 00:21:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-11-22 00:21:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-11-22 00:21:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-11-22 00:21:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-11-22 00:21:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-11-22 00:21:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 00:21:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-22 00:21:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:21:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:21:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-11-22 00:21:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-22 00:21:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-11-22 00:21:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-11-22 00:21:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-11-22 00:21:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-22 00:21:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-22 00:21:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-11-22 00:21:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-11-22 00:21:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-11-22 00:21:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-11-22 00:21:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-11-22 00:21:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-11-22 00:21:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-11-22 00:21:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-11-22 00:21:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-11-22 00:21:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-11-22 00:21:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-11-22 00:21:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-11-22 00:21:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-22 00:21:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-22 00:21:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-11-22 00:21:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-11-22 00:21:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-11-22 00:21:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-11-22 00:21:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 00:21:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 00:21:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:21:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:21:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-11-22 00:21:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-11-22 00:21:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 00:21:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 00:21:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-22 00:21:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-22 00:21:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-11-22 00:21:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-11-22 00:21:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-11-22 00:21:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-11-22 00:21:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-11-22 00:21:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-11-22 00:21:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:21:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 00:21:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 00:21:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:21:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:21:49,616 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:21:49,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:21:50,017 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:23:13,560 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 00:23:13,763 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:23:16,743 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:23:16,743 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-22 00:23:16,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:23:16 BoogieIcfgContainer [2022-11-22 00:23:16,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:23:16,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:23:16,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:23:16,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:23:16,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:21:39" (1/3) ... [2022-11-22 00:23:16,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d10f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:23:16, skipping insertion in model container [2022-11-22 00:23:16,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:21:46" (2/3) ... [2022-11-22 00:23:16,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d10f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:23:16, skipping insertion in model container [2022-11-22 00:23:16,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:23:16" (3/3) ... [2022-11-22 00:23:16,764 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-22 00:23:16,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:23:16,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 00:23:16,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:23:16,922 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5fffa238, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:23:16,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 00:23:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 2870 states, 1789 states have (on average 1.334823923979877) internal successors, (2388), 1812 states have internal predecessors, (2388), 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) [2022-11-22 00:23:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2022-11-22 00:23:17,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:23:17,045 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:23:17,045 INFO L420 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)] === [2022-11-22 00:23:17,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:23:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash 157437058, now seen corresponding path program 1 times [2022-11-22 00:23:17,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:23:17,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297733924] [2022-11-22 00:23:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:23:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:23:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:23:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-11-22 00:23:19,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:23:19,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297733924] [2022-11-22 00:23:19,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297733924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:23:19,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:23:19,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:23:19,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344462544] [2022-11-22 00:23:19,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:23:19,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:23:19,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:23:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:23:20,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:23:20,034 INFO L87 Difference]: Start difference. First operand has 2870 states, 1789 states have (on average 1.334823923979877) internal successors, (2388), 1812 states have internal predecessors, (2388), 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) [2022-11-22 00:23:30,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:34,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 00:23:43,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:23:43,121 INFO L93 Difference]: Finished difference Result 8048 states and 11855 transitions. [2022-11-22 00:23:43,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:23:43,124 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 [2022-11-22 00:23:43,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:23:43,184 INFO L225 Difference]: With dead ends: 8048 [2022-11-22 00:23:43,185 INFO L226 Difference]: Without dead ends: 5381 [2022-11-22 00:23:43,206 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:23:43,210 INFO L413 NwaCegarLoop]: 4324 mSDtfsCounter, 3694 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 22 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3697 SdHoareTripleChecker+Valid, 7862 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:23:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3697 Valid, 7862 Invalid, 1196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1172 Invalid, 2 Unknown, 0 Unchecked, 22.5s Time] [2022-11-22 00:23:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-11-22 00:23:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 5376. [2022-11-22 00:23:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 3401 states have (on average 1.3369597177300794) internal successors, (4547), 3445 states have internal predecessors, (4547), 1616 states have call successors, (1616), 357 states have call predecessors, (1616), 356 states have return successors, (1615), 1603 states have call predecessors, (1615), 1612 states have call successors, (1615) [2022-11-22 00:23:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 7778 transitions. [2022-11-22 00:23:43,654 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 7778 transitions. Word has length 1124 [2022-11-22 00:23:43,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:23:43,663 INFO L495 AbstractCegarLoop]: Abstraction has 5376 states and 7778 transitions. [2022-11-22 00:23:43,663 INFO L496 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) [2022-11-22 00:23:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 7778 transitions. [2022-11-22 00:23:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2022-11-22 00:23:43,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:23:43,761 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:23:43,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:23:43,762 INFO L420 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)] === [2022-11-22 00:23:43,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:23:43,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1813508283, now seen corresponding path program 1 times [2022-11-22 00:23:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:23:43,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025133367] [2022-11-22 00:23:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:23:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:23:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:23:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-22 00:23:45,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:23:45,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025133367] [2022-11-22 00:23:45,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025133367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:23:45,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:23:45,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:23:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112455422] [2022-11-22 00:23:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:23:45,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:23:45,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:23:45,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:23:45,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:23:45,323 INFO L87 Difference]: Start difference. First operand 5376 states and 7778 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) [2022-11-22 00:23:49,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:51,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:55,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:57,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:02,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:24:08,450 INFO L93 Difference]: Finished difference Result 12807 states and 18475 transitions. [2022-11-22 00:24:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:24:08,451 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 [2022-11-22 00:24:08,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:24:08,498 INFO L225 Difference]: With dead ends: 12807 [2022-11-22 00:24:08,498 INFO L226 Difference]: Without dead ends: 7652 [2022-11-22 00:24:08,523 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:24:08,524 INFO L413 NwaCegarLoop]: 4298 mSDtfsCounter, 3495 mSDsluCounter, 3537 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 7835 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:24:08,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 7835 Invalid, 1156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 1 Unknown, 0 Unchecked, 22.6s Time] [2022-11-22 00:24:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-22 00:24:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7628. [2022-11-22 00:24:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7628 states, 4816 states have (on average 1.334717607973422) internal successors, (6428), 4883 states have internal predecessors, (6428), 2282 states have call successors, (2282), 528 states have call predecessors, (2282), 527 states have return successors, (2280), 2259 states have call predecessors, (2280), 2278 states have call successors, (2280) [2022-11-22 00:24:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7628 states to 7628 states and 10990 transitions. [2022-11-22 00:24:08,958 INFO L78 Accepts]: Start accepts. Automaton has 7628 states and 10990 transitions. Word has length 1135 [2022-11-22 00:24:08,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:24:08,962 INFO L495 AbstractCegarLoop]: Abstraction has 7628 states and 10990 transitions. [2022-11-22 00:24:08,963 INFO L496 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) [2022-11-22 00:24:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7628 states and 10990 transitions. [2022-11-22 00:24:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2022-11-22 00:24:08,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:24:08,981 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:24:08,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:24:08,982 INFO L420 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)] === [2022-11-22 00:24:08,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:24:08,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2000861961, now seen corresponding path program 1 times [2022-11-22 00:24:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:24:08,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266427488] [2022-11-22 00:24:08,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:24:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:24:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:24:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-22 00:24:10,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:24:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266427488] [2022-11-22 00:24:10,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266427488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:24:10,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:24:10,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:24:10,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505614960] [2022-11-22 00:24:10,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:24:10,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:24:10,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:24:10,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:24:10,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:24:10,672 INFO L87 Difference]: Start difference. First operand 7628 states and 10990 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) [2022-11-22 00:24:13,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-22 00:24:30,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:24:32,302 INFO L93 Difference]: Finished difference Result 22113 states and 31822 transitions. [2022-11-22 00:24:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:24:32,303 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 [2022-11-22 00:24:32,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:24:32,430 INFO L225 Difference]: With dead ends: 22113 [2022-11-22 00:24:32,431 INFO L226 Difference]: Without dead ends: 14706 [2022-11-22 00:24:32,480 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:24:32,484 INFO L413 NwaCegarLoop]: 4293 mSDtfsCounter, 3588 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 7810 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:24:32,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3591 Valid, 7810 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2022-11-22 00:24:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14706 states. [2022-11-22 00:24:33,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14706 to 14678. [2022-11-22 00:24:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14678 states, 9279 states have (on average 1.3311779286561052) internal successors, (12352), 9418 states have internal predecessors, (12352), 4346 states have call successors, (4346), 1051 states have call predecessors, (4346), 1050 states have return successors, (4349), 4294 states have call predecessors, (4349), 4342 states have call successors, (4349) [2022-11-22 00:24:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 21047 transitions. [2022-11-22 00:24:33,374 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 21047 transitions. Word has length 1142 [2022-11-22 00:24:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:24:33,376 INFO L495 AbstractCegarLoop]: Abstraction has 14678 states and 21047 transitions. [2022-11-22 00:24:33,376 INFO L496 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) [2022-11-22 00:24:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 21047 transitions. [2022-11-22 00:24:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2022-11-22 00:24:33,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:24:33,398 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:24:33,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:24:33,398 INFO L420 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)] === [2022-11-22 00:24:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:24:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash 52328058, now seen corresponding path program 1 times [2022-11-22 00:24:33,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:24:33,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234101646] [2022-11-22 00:24:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:24:33,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:24:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:24:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-22 00:24:34,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:24:34,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234101646] [2022-11-22 00:24:34,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234101646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:24:34,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:24:34,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:24:34,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718883963] [2022-11-22 00:24:34,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:24:34,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:24:34,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:24:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:24:34,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:24:34,803 INFO L87 Difference]: Start difference. First operand 14678 states and 21047 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) [2022-11-22 00:24:42,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:47,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:50,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:54,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:56,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:24:56,572 INFO L93 Difference]: Finished difference Result 38424 states and 55067 transitions. [2022-11-22 00:24:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:24:56,572 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 [2022-11-22 00:24:56,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:24:56,713 INFO L225 Difference]: With dead ends: 38424 [2022-11-22 00:24:56,713 INFO L226 Difference]: Without dead ends: 23967 [2022-11-22 00:24:56,787 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:24:56,788 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3679 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 7867 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:24:56,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 7867 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1146 Invalid, 1 Unknown, 0 Unchecked, 21.0s Time] [2022-11-22 00:24:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23967 states. [2022-11-22 00:24:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23967 to 23937. [2022-11-22 00:24:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23937 states, 15154 states have (on average 1.3300778672297744) internal successors, (20156), 15384 states have internal predecessors, (20156), 7045 states have call successors, (7045), 1736 states have call predecessors, (7045), 1735 states have return successors, (7056), 6951 states have call predecessors, (7056), 7041 states have call successors, (7056) [2022-11-22 00:24:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23937 states to 23937 states and 34257 transitions. [2022-11-22 00:24:58,246 INFO L78 Accepts]: Start accepts. Automaton has 23937 states and 34257 transitions. Word has length 1150 [2022-11-22 00:24:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:24:58,248 INFO L495 AbstractCegarLoop]: Abstraction has 23937 states and 34257 transitions. [2022-11-22 00:24:58,248 INFO L496 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) [2022-11-22 00:24:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23937 states and 34257 transitions. [2022-11-22 00:24:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2022-11-22 00:24:58,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:24:58,269 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:24:58,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:24:58,270 INFO L420 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)] === [2022-11-22 00:24:58,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:24:58,271 INFO L85 PathProgramCache]: Analyzing trace with hash 619552000, now seen corresponding path program 1 times [2022-11-22 00:24:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:24:58,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745445722] [2022-11-22 00:24:58,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:24:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:24:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:24:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-11-22 00:24:59,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:24:59,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745445722] [2022-11-22 00:24:59,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745445722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:24:59,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:24:59,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:24:59,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934120579] [2022-11-22 00:24:59,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:24:59,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:24:59,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:24:59,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:24:59,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:24:59,426 INFO L87 Difference]: Start difference. First operand 23937 states and 34257 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) [2022-11-22 00:25:03,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:11,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:13,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:16,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:20,930 INFO L93 Difference]: Finished difference Result 65466 states and 93681 transitions. [2022-11-22 00:25:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:20,931 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 [2022-11-22 00:25:20,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:21,126 INFO L225 Difference]: With dead ends: 65466 [2022-11-22 00:25:21,126 INFO L226 Difference]: Without dead ends: 41750 [2022-11-22 00:25:21,211 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:25:21,211 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 3665 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 7920 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:21,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 7920 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1139 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2022-11-22 00:25:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41750 states. [2022-11-22 00:25:23,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41750 to 41712. [2022-11-22 00:25:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41712 states, 26421 states have (on average 1.331289504560766) internal successors, (35174), 26849 states have internal predecessors, (35174), 12231 states have call successors, (12231), 3058 states have call predecessors, (12231), 3057 states have return successors, (12258), 12040 states have call predecessors, (12258), 12227 states have call successors, (12258) [2022-11-22 00:25:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41712 states to 41712 states and 59663 transitions. [2022-11-22 00:25:23,598 INFO L78 Accepts]: Start accepts. Automaton has 41712 states and 59663 transitions. Word has length 1156 [2022-11-22 00:25:23,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:23,599 INFO L495 AbstractCegarLoop]: Abstraction has 41712 states and 59663 transitions. [2022-11-22 00:25:23,599 INFO L496 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) [2022-11-22 00:25:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41712 states and 59663 transitions. [2022-11-22 00:25:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2022-11-22 00:25:23,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:23,621 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:25:23,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:25:23,621 INFO L420 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)] === [2022-11-22 00:25:23,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:23,622 INFO L85 PathProgramCache]: Analyzing trace with hash -774863588, now seen corresponding path program 1 times [2022-11-22 00:25:23,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:23,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289010610] [2022-11-22 00:25:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 48408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48402 trivial. 0 not checked. [2022-11-22 00:25:25,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:25,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289010610] [2022-11-22 00:25:25,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289010610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:25,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:25,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:25:25,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508856585] [2022-11-22 00:25:25,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:25,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:25,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:25,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:25,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:25,136 INFO L87 Difference]: Start difference. First operand 41712 states and 59663 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) [2022-11-22 00:25:35,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:40,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:42,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:46,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:46,326 INFO L93 Difference]: Finished difference Result 115538 states and 165227 transitions. [2022-11-22 00:25:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:46,327 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 [2022-11-22 00:25:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:46,851 INFO L225 Difference]: With dead ends: 115538 [2022-11-22 00:25:46,852 INFO L226 Difference]: Without dead ends: 74047 [2022-11-22 00:25:46,992 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:25:46,993 INFO L413 NwaCegarLoop]: 5574 mSDtfsCounter, 3712 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3715 SdHoareTripleChecker+Valid, 9118 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:46,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3715 Valid, 9118 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 19.2s Time] [2022-11-22 00:25:47,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74047 states. [2022-11-22 00:25:50,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74047 to 73995. [2022-11-22 00:25:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73995 states, 46999 states have (on average 1.3315176918657843) internal successors, (62580), 47787 states have internal predecessors, (62580), 21507 states have call successors, (21507), 5503 states have call predecessors, (21507), 5486 states have return successors, (21565), 21125 states have call predecessors, (21565), 21503 states have call successors, (21565) [2022-11-22 00:25:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73995 states to 73995 states and 105652 transitions. [2022-11-22 00:25:51,038 INFO L78 Accepts]: Start accepts. Automaton has 73995 states and 105652 transitions. Word has length 1161 [2022-11-22 00:25:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:51,039 INFO L495 AbstractCegarLoop]: Abstraction has 73995 states and 105652 transitions. [2022-11-22 00:25:51,040 INFO L496 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) [2022-11-22 00:25:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 73995 states and 105652 transitions. [2022-11-22 00:25:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2022-11-22 00:25:51,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:51,070 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:25:51,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:25:51,071 INFO L420 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)] === [2022-11-22 00:25:51,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:51,072 INFO L85 PathProgramCache]: Analyzing trace with hash 238576633, now seen corresponding path program 1 times [2022-11-22 00:25:51,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:51,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743448754] [2022-11-22 00:25:51,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:51,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49062 trivial. 0 not checked. [2022-11-22 00:25:52,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:52,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743448754] [2022-11-22 00:25:52,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743448754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:52,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:52,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:25:52,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082690516] [2022-11-22 00:25:52,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:52,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:52,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:52,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:52,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:52,784 INFO L87 Difference]: Start difference. First operand 73995 states and 105652 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) [2022-11-22 00:26:03,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:10,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:12,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:17,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:26:17,855 INFO L93 Difference]: Finished difference Result 217752 states and 310923 transitions. [2022-11-22 00:26:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:26:17,856 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 [2022-11-22 00:26:17,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:26:18,950 INFO L225 Difference]: With dead ends: 217752 [2022-11-22 00:26:18,951 INFO L226 Difference]: Without dead ends: 143978 [2022-11-22 00:26:19,233 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:26:19,234 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 3691 mSDsluCounter, 3553 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 7925 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:26:19,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 7925 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2022-11-22 00:26:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143978 states. [2022-11-22 00:26:25,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143978 to 143892. [2022-11-22 00:26:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143892 states, 91607 states have (on average 1.331262894756951) internal successors, (121953), 93221 states have internal predecessors, (121953), 41570 states have call successors, (41570), 10745 states have call predecessors, (41570), 10712 states have return successors, (41692), 40744 states have call predecessors, (41692), 41566 states have call successors, (41692) [2022-11-22 00:26:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143892 states to 143892 states and 205215 transitions. [2022-11-22 00:26:26,663 INFO L78 Accepts]: Start accepts. Automaton has 143892 states and 205215 transitions. Word has length 1159 [2022-11-22 00:26:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:26:26,664 INFO L495 AbstractCegarLoop]: Abstraction has 143892 states and 205215 transitions. [2022-11-22 00:26:26,664 INFO L496 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) [2022-11-22 00:26:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 143892 states and 205215 transitions. [2022-11-22 00:26:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2022-11-22 00:26:26,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:26:26,686 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:26:26,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:26:26,686 INFO L420 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)] === [2022-11-22 00:26:26,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:26:26,687 INFO L85 PathProgramCache]: Analyzing trace with hash -201360329, now seen corresponding path program 1 times [2022-11-22 00:26:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:26:26,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333806534] [2022-11-22 00:26:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:26:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:26:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:26:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-11-22 00:26:31,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:26:31,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333806534] [2022-11-22 00:26:31,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333806534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:26:31,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:26:31,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:26:31,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738008060] [2022-11-22 00:26:31,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:26:31,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:26:31,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:26:31,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:26:31,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:26:31,010 INFO L87 Difference]: Start difference. First operand 143892 states and 205215 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) [2022-11-22 00:26:41,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:45,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []