./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/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_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/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_bf9e007a-e28c-48e8-8620-92dd6550ccce/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 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- 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 02:02:05,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:02:05,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:02:05,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:02:05,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:02:05,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:02:05,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:02:05,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:02:05,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:02:05,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:02:05,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:02:05,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:02:05,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:02:05,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:02:05,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:02:05,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:02:05,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:02:05,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:02:05,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:02:05,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:02:05,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:02:05,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:02:05,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:02:05,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:02:05,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:02:05,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:02:05,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:02:05,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:02:05,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:02:05,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:02:05,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:02:05,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:02:05,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:02:05,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:02:05,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:02:05,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:02:05,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:02:05,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:02:05,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:02:05,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:02:05,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:02:05,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:02:05,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:02:05,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:02:05,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:02:05,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:02:05,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:02:05,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:02:05,862 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:02:05,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:02:05,863 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:02:05,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:02:05,864 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:02:05,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:02:05,865 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:02:05,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:02:05,865 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:02:05,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:02:05,865 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:02:05,866 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:02:05,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:02:05,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:02:05,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:02:05,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:02:05,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:02:05,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:02:05,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:02:05,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:02:05,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:02:05,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:02:05,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:02:05,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:02:05,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:02:05,870 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:02:05,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:02:05,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:02:05,870 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:02:05,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:02:05,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:02:05,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:02:05,871 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_bf9e007a-e28c-48e8-8620-92dd6550ccce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2022-11-22 02:02:06,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:02:06,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:02:06,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:02:06,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:02:06,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:02:06,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 02:02:09,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:02:10,471 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:02:10,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 02:02:10,578 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/data/d80e92de1/b7b7837b7ccb462b96934e4dcb72ef62/FLAG4ad934649 [2022-11-22 02:02:10,599 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/data/d80e92de1/b7b7837b7ccb462b96934e4dcb72ef62 [2022-11-22 02:02:10,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:02:10,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:02:10,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:02:10,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:02:10,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:02:10,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:10" (1/1) ... [2022-11-22 02:02:10,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa5bcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:10, skipping insertion in model container [2022-11-22 02:02:10,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:10" (1/1) ... [2022-11-22 02:02:10,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:02:10,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:02:17,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2022-11-22 02:02:17,591 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_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2022-11-22 02:02:17,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2022-11-22 02:02:17,593 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_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2022-11-22 02:02:17,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:02:17,761 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:02:18,559 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_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2022-11-22 02:02:18,559 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_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2022-11-22 02:02:18,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2022-11-22 02:02:18,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2022-11-22 02:02:18,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:02:18,982 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:02:18,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18 WrapperNode [2022-11-22 02:02:18,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:02:18,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:02:18,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:02:18,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:02:19,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:19,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:19,974 INFO L138 Inliner]: procedures = 722, calls = 8428, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16688 [2022-11-22 02:02:19,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:02:19,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:02:19,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:02:19,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:02:19,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:19,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:20,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:20,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:20,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:20,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:21,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:21,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:21,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:02:21,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:02:21,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:02:21,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:02:21,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (1/1) ... [2022-11-22 02:02:21,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:02:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:02:21,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:02:21,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:02:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 02:02:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 02:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-22 02:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-22 02:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-22 02:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-22 02:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-22 02:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-22 02:02:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 02:02:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 02:02:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 02:02:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 02:02:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-22 02:02:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-22 02:02:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 02:02:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 02:02:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:02:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:02:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 02:02:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 02:02:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-22 02:02:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-22 02:02:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-22 02:02:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-22 02:02:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 02:02:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 02:02:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-22 02:02:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-22 02:02:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-22 02:02:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-22 02:02:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:02:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:02:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-22 02:02:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-22 02:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-22 02:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-22 02:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 02:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 02:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-22 02:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-22 02:02:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2022-11-22 02:02:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2022-11-22 02:02:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-22 02:02:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-22 02:02:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 02:02:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 02:02:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-22 02:02:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-22 02:02:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-22 02:02:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-22 02:02:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:02:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:02:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 02:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 02:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-22 02:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-22 02:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-22 02:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-22 02:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-22 02:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-22 02:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-22 02:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-22 02:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-22 02:02:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-22 02:02:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:02:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:02:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-22 02:02:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-22 02:02:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-22 02:02:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-22 02:02:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-22 02:02:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-22 02:02:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-22 02:02:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-22 02:02:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2022-11-22 02:02:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2022-11-22 02:02:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 02:02:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:02:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:02:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:02:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:02:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:02:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:02:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 02:02:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 02:02:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:02:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:02:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:02:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:02:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-22 02:02:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-22 02:02:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-22 02:02:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-22 02:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 02:02:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 02:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-22 02:02:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-22 02:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-22 02:02:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-22 02:02:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 02:02:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 02:02:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 02:02:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 02:02:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-22 02:02:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-22 02:02:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 02:02:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 02:02:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-22 02:02:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-22 02:02:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:02:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:02:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:02:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 02:02:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 02:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 02:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 02:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-22 02:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-22 02:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-22 02:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-22 02:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-22 02:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-22 02:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-22 02:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-22 02:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-22 02:02:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-22 02:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:02:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-22 02:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-22 02:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-22 02:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-22 02:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-22 02:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-22 02:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-22 02:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-22 02:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:02:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-22 02:02:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-22 02:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:02:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:02:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-22 02:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-22 02:02:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 02:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 02:02:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-22 02:02:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-22 02:02:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-22 02:02:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-22 02:02:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-22 02:02:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-22 02:02:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 02:02:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 02:02:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:02:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:02:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-22 02:02:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-22 02:02:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2022-11-22 02:02:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2022-11-22 02:02:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:02:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:02:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-22 02:02:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-22 02:02:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 02:02:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 02:02:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-22 02:02:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-22 02:02:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-22 02:02:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-22 02:02:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 02:02:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 02:02:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-22 02:02:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-22 02:02:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-22 02:02:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-22 02:02:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-22 02:02:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-22 02:02:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 02:02:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 02:02:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-22 02:02:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-22 02:02:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:02:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:02:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-22 02:02:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-22 02:02:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-22 02:02:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-22 02:02:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-22 02:02:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-22 02:02:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-22 02:02:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-22 02:02:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-22 02:02:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-22 02:02:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:02:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2022-11-22 02:02:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2022-11-22 02:02:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 02:02:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 02:02:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 02:02:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 02:02:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 02:02:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 02:02:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-22 02:02:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-22 02:02:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:02:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:02:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:02:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:02:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:02:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:02:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 02:02:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 02:02:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:02:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-22 02:02:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-22 02:02:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-22 02:02:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-22 02:02:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:02:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:02:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-22 02:02:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-22 02:02:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:02:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:02:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:02:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:02:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-22 02:02:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-22 02:02:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-22 02:02:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-22 02:02:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 02:02:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 02:02:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:02:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:02:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-22 02:02:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-22 02:02:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-22 02:02:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-22 02:02:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-22 02:02:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-22 02:02:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-22 02:02:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-22 02:02:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:02:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:02:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:02:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:02:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-22 02:02:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-22 02:02:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-22 02:02:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-22 02:02:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:02:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:02:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:02:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:02:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-22 02:02:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-22 02:02:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-22 02:02:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-22 02:02:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-22 02:02:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-22 02:02:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 02:02:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 02:02:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-22 02:02:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-22 02:02:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-22 02:02:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-22 02:02:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:02:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:02:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:02:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:02:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-22 02:02:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-22 02:02:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-22 02:02:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-22 02:02:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-22 02:02:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-22 02:02:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-22 02:02:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-22 02:02:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-22 02:02:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-22 02:02:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 02:02:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 02:02:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-22 02:02:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-22 02:02:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:02:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:02:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 02:02:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 02:02:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 02:02:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 02:02:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-22 02:02:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-22 02:02:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 02:02:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 02:02:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:02:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:02:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:02:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:02:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-22 02:02:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-22 02:02:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:02:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:02:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 02:02:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 02:02:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-22 02:02:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-22 02:02:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:02:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:02:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:02:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2022-11-22 02:02:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2022-11-22 02:02:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 02:02:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 02:02:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:02:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:02:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 02:02:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 02:02:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-22 02:02:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-22 02:02:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-22 02:02:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-22 02:02:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 02:02:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 02:02:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 02:02:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 02:02:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:02:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:02:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-22 02:02:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-22 02:02:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 02:02:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 02:02:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-22 02:02:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-22 02:02:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-22 02:02:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-22 02:02:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-22 02:02:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-22 02:02:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-22 02:02:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-22 02:02:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 02:02:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 02:02:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 02:02:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 02:02:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-22 02:02:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-22 02:02:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-22 02:02:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-22 02:02:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 02:02:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 02:02:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:02:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:02:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:02:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-22 02:02:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-22 02:02:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-22 02:02:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-22 02:02:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-22 02:02:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-22 02:02:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 02:02:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 02:02:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-22 02:02:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-22 02:02:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:02:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:02:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-22 02:02:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-22 02:02:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:02:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-22 02:02:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-22 02:02:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-22 02:02:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-22 02:02:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-22 02:02:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-22 02:02:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-22 02:02:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-22 02:02:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-22 02:02:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-22 02:02:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-22 02:02:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-22 02:02:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-22 02:02:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-22 02:02:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:02:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-22 02:02:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-22 02:02:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-22 02:02:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-22 02:02:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:02:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:02:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 02:02:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 02:02:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-22 02:02:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-22 02:02:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-22 02:02:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-22 02:02:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:02:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:02:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-22 02:02:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-22 02:02:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 02:02:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 02:02:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-22 02:02:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-22 02:02:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:02:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:02:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-22 02:02:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-22 02:02:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:02:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:02:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-22 02:02:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-22 02:02:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-22 02:02:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-22 02:02:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-22 02:02:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-22 02:02:21,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:02:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:02:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-22 02:02:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-22 02:02:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-22 02:02:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-22 02:02:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-22 02:02:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-22 02:02:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 02:02:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 02:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-22 02:02:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-22 02:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 02:02:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 02:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:02:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:02:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:02:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:02:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:02:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:02:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:02:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 02:02:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 02:02:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-22 02:02:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-22 02:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-22 02:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-22 02:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-22 02:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-22 02:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-22 02:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-22 02:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-22 02:02:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-22 02:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-22 02:02:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-22 02:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-22 02:02:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-22 02:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:02:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:02:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:02:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:02:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-22 02:02:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-22 02:02:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:02:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-22 02:02:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-22 02:02:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-22 02:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-22 02:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-22 02:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-22 02:02:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-22 02:02:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-22 02:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-22 02:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-22 02:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 02:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 02:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-22 02:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-22 02:02:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-22 02:02:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-22 02:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 02:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 02:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 02:02:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 02:02:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-22 02:02:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-22 02:02:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 02:02:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 02:02:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 02:02:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 02:02:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-22 02:02:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-22 02:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-22 02:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-22 02:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-22 02:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-22 02:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-22 02:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-22 02:02:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:02:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:02:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:02:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:02:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-22 02:02:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-22 02:02:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 02:02:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 02:02:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-22 02:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-22 02:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:02:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:02:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 02:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 02:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-22 02:02:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-22 02:02:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-22 02:02:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-22 02:02:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 02:02:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 02:02:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-22 02:02:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-22 02:02:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:02:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:02:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-22 02:02:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-22 02:02:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-22 02:02:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-22 02:02:23,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:02:23,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:02:24,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:04:59,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:05:08,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:05:08,526 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 02:05:08,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:08 BoogieIcfgContainer [2022-11-22 02:05:08,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:05:08,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:05:08,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:05:08,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:05:08,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:02:10" (1/3) ... [2022-11-22 02:05:08,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386adf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:08, skipping insertion in model container [2022-11-22 02:05:08,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:18" (2/3) ... [2022-11-22 02:05:08,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386adf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:08, skipping insertion in model container [2022-11-22 02:05:08,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:08" (3/3) ... [2022-11-22 02:05:08,549 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 02:05:08,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:05:08,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 02:05:08,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:05:08,722 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;@48699958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:05:08,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 02:05:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 4486 states, 2691 states have (on average 1.285024154589372) internal successors, (3458), 2789 states have internal predecessors, (3458), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-11-22 02:05:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-22 02:05:08,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:08,751 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-22 02:05:08,752 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 02:05:08,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:08,757 INFO L85 PathProgramCache]: Analyzing trace with hash -972944914, now seen corresponding path program 1 times [2022-11-22 02:05:08,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:08,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219551535] [2022-11-22 02:05:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 02:05:11,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:11,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219551535] [2022-11-22 02:05:11,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219551535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:11,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:11,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:05:11,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894011692] [2022-11-22 02:05:11,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:11,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:11,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:11,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:11,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:11,863 INFO L87 Difference]: Start difference. First operand has 4486 states, 2691 states have (on average 1.285024154589372) internal successors, (3458), 2789 states have internal predecessors, (3458), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 02:05:18,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:25,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:27,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:31,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:35,230 WARN L539 Checker$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 02:05:39,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:40,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:45,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:05:50,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:55,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:58,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:01,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:01,258 INFO L93 Difference]: Finished difference Result 13165 states and 19346 transitions. [2022-11-22 02:06:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:06:01,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-22 02:06:01,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:01,359 INFO L225 Difference]: With dead ends: 13165 [2022-11-22 02:06:01,360 INFO L226 Difference]: Without dead ends: 8676 [2022-11-22 02:06:01,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:06:01,402 INFO L413 NwaCegarLoop]: 7558 mSDtfsCounter, 6184 mSDsluCounter, 20939 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6190 SdHoareTripleChecker+Valid, 28497 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:01,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6190 Valid, 28497 Invalid, 2721 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 2710 Invalid, 8 Unknown, 0 Unchecked, 48.2s Time] [2022-11-22 02:06:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8676 states. [2022-11-22 02:06:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8676 to 8629. [2022-11-22 02:06:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 5179 states have (on average 1.2817146167213749) internal successors, (6638), 5359 states have internal predecessors, (6638), 2939 states have call successors, (2939), 511 states have call predecessors, (2939), 508 states have return successors, (3010), 2887 states have call predecessors, (3010), 2933 states have call successors, (3010) [2022-11-22 02:06:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12587 transitions. [2022-11-22 02:06:02,300 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12587 transitions. Word has length 35 [2022-11-22 02:06:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:02,301 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12587 transitions. [2022-11-22 02:06:02,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 02:06:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12587 transitions. [2022-11-22 02:06:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 02:06:02,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:02,306 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-22 02:06:02,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:06:02,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 02:06:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1625300034, now seen corresponding path program 1 times [2022-11-22 02:06:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:02,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649606762] [2022-11-22 02:06:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 02:06:04,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:04,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649606762] [2022-11-22 02:06:04,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649606762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:06:04,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:06:04,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:06:04,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665157249] [2022-11-22 02:06:04,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:06:04,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:06:04,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:06:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:06:04,687 INFO L87 Difference]: Start difference. First operand 8629 states and 12587 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 02:06:07,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:08,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:13,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:15,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:22,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:24,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:26,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:33,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:46,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:49,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:51,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:51,757 INFO L93 Difference]: Finished difference Result 15541 states and 22560 transitions. [2022-11-22 02:06:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:06:51,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-22 02:06:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:51,899 INFO L225 Difference]: With dead ends: 15541 [2022-11-22 02:06:51,899 INFO L226 Difference]: Without dead ends: 15539 [2022-11-22 02:06:51,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:06:51,920 INFO L413 NwaCegarLoop]: 7087 mSDtfsCounter, 6193 mSDsluCounter, 19209 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6200 SdHoareTripleChecker+Valid, 26296 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:51,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6200 Valid, 26296 Invalid, 2543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2537 Invalid, 5 Unknown, 0 Unchecked, 46.1s Time] [2022-11-22 02:06:51,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15539 states. [2022-11-22 02:06:52,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15539 to 15528. [2022-11-22 02:06:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15528 states, 9349 states have (on average 1.2802438763504118) internal successors, (11969), 9664 states have internal predecessors, (11969), 5236 states have call successors, (5236), 942 states have call predecessors, (5236), 940 states have return successors, (5343), 5150 states have call predecessors, (5343), 5230 states have call successors, (5343) [2022-11-22 02:06:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15528 states to 15528 states and 22548 transitions. [2022-11-22 02:06:53,063 INFO L78 Accepts]: Start accepts. Automaton has 15528 states and 22548 transitions. Word has length 40 [2022-11-22 02:06:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:53,064 INFO L495 AbstractCegarLoop]: Abstraction has 15528 states and 22548 transitions. [2022-11-22 02:06:53,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 02:06:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 15528 states and 22548 transitions. [2022-11-22 02:06:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:06:53,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:53,076 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-22 02:06:53,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:06:53,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 02:06:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1630616658, now seen corresponding path program 1 times [2022-11-22 02:06:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:53,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321534377] [2022-11-22 02:06:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-22 02:06:54,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:54,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321534377] [2022-11-22 02:06:54,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321534377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:06:54,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:06:54,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:06:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507317522] [2022-11-22 02:06:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:06:54,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:06:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:06:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:06:54,799 INFO L87 Difference]: Start difference. First operand 15528 states and 22548 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 02:06:58,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:02,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:04,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:08,064 WARN L539 Checker$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 02:07:10,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:12,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:14,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:16,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:18,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:19,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:24,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:27,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:31,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:33,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:45,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:47,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:49,817 INFO L93 Difference]: Finished difference Result 22715 states and 32953 transitions. [2022-11-22 02:07:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:07:49,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-11-22 02:07:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:49,981 INFO L225 Difference]: With dead ends: 22715 [2022-11-22 02:07:49,981 INFO L226 Difference]: Without dead ends: 22711 [2022-11-22 02:07:50,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:07:50,006 INFO L413 NwaCegarLoop]: 7165 mSDtfsCounter, 6188 mSDsluCounter, 19365 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6199 SdHoareTripleChecker+Valid, 26530 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:50,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6199 Valid, 26530 Invalid, 2590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2578 Invalid, 11 Unknown, 0 Unchecked, 54.0s Time] [2022-11-22 02:07:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22711 states. [2022-11-22 02:07:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22711 to 22699. [2022-11-22 02:07:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22699 states, 13685 states have (on average 1.280672268907563) internal successors, (17526), 14141 states have internal predecessors, (17526), 7629 states have call successors, (7629), 1390 states have call predecessors, (7629), 1382 states have return successors, (7783), 7499 states have call predecessors, (7783), 7623 states have call successors, (7783) [2022-11-22 02:07:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22699 states to 22699 states and 32938 transitions. [2022-11-22 02:07:51,725 INFO L78 Accepts]: Start accepts. Automaton has 22699 states and 32938 transitions. Word has length 45 [2022-11-22 02:07:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:51,726 INFO L495 AbstractCegarLoop]: Abstraction has 22699 states and 32938 transitions. [2022-11-22 02:07:51,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 02:07:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 22699 states and 32938 transitions. [2022-11-22 02:07:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-22 02:07:51,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:51,728 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2022-11-22 02:07:51,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:07:51,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 02:07:51,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1580953982, now seen corresponding path program 1 times [2022-11-22 02:07:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:07:51,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605279089] [2022-11-22 02:07:51,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:07:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-22 02:07:53,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:07:53,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605279089] [2022-11-22 02:07:53,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605279089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:53,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:07:53,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:07:53,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445967428] [2022-11-22 02:07:53,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:53,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:07:53,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:07:53,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:07:53,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:07:53,483 INFO L87 Difference]: Start difference. First operand 22699 states and 32938 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:07:56,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:00,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:03,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:05,409 WARN L539 Checker$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 02:08:09,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:11,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:13,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:15,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:17,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:25,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:28,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:32,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:34,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:36,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:39,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:40,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:46,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:48,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:52,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:54,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:57,600 INFO L93 Difference]: Finished difference Result 22714 states and 32949 transitions. [2022-11-22 02:08:57,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:08:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2022-11-22 02:08:57,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:57,719 INFO L225 Difference]: With dead ends: 22714 [2022-11-22 02:08:57,720 INFO L226 Difference]: Without dead ends: 22672 [2022-11-22 02:08:57,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:08:57,734 INFO L413 NwaCegarLoop]: 7088 mSDtfsCounter, 6195 mSDsluCounter, 19211 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6199 SdHoareTripleChecker+Valid, 26299 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:57,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6199 Valid, 26299 Invalid, 2547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2534 Invalid, 12 Unknown, 0 Unchecked, 63.0s Time] [2022-11-22 02:08:57,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22672 states. [2022-11-22 02:08:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22672 to 22665. [2022-11-22 02:08:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22665 states, 13666 states have (on average 1.2807697936484708) internal successors, (17503), 14120 states have internal predecessors, (17503), 7619 states have call successors, (7619), 1384 states have call predecessors, (7619), 1377 states have return successors, (7776), 7492 states have call predecessors, (7776), 7616 states have call successors, (7776) [2022-11-22 02:08:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22665 states to 22665 states and 32898 transitions. [2022-11-22 02:08:59,351 INFO L78 Accepts]: Start accepts. Automaton has 22665 states and 32898 transitions. Word has length 50 [2022-11-22 02:08:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:59,352 INFO L495 AbstractCegarLoop]: Abstraction has 22665 states and 32898 transitions. [2022-11-22 02:08:59,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:08:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 22665 states and 32898 transitions. [2022-11-22 02:08:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 02:08:59,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:59,357 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:59,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:08:59,358 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 02:08:59,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:59,358 INFO L85 PathProgramCache]: Analyzing trace with hash 475919637, now seen corresponding path program 1 times [2022-11-22 02:08:59,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:59,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324499481] [2022-11-22 02:08:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:59,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-22 02:09:02,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:02,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324499481] [2022-11-22 02:09:02,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324499481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:02,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:09:02,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:09:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870007125] [2022-11-22 02:09:02,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:02,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:09:02,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:09:02,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:09:02,063 INFO L87 Difference]: Start difference. First operand 22665 states and 32898 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:09:09,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:12,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:18,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:20,331 WARN L539 Checker$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 02:09:24,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:28,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:33,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:38,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:49,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:52,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:55,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:55,327 INFO L93 Difference]: Finished difference Result 30096 states and 43709 transitions. [2022-11-22 02:09:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:09:55,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2022-11-22 02:09:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:55,563 INFO L225 Difference]: With dead ends: 30096 [2022-11-22 02:09:55,564 INFO L226 Difference]: Without dead ends: 30094 [2022-11-22 02:09:55,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:09:55,593 INFO L413 NwaCegarLoop]: 7606 mSDtfsCounter, 6117 mSDsluCounter, 21011 mSDsCounter, 0 mSdLazyCounter, 2766 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6118 SdHoareTripleChecker+Valid, 28617 SdHoareTripleChecker+Invalid, 2774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2766 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:55,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6118 Valid, 28617 Invalid, 2774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2766 Invalid, 6 Unknown, 0 Unchecked, 52.0s Time] [2022-11-22 02:09:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30094 states. [2022-11-22 02:09:57,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30094 to 30026. [2022-11-22 02:09:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30026 states, 18088 states have (on average 1.2795223352498895) internal successors, (23144), 18695 states have internal predecessors, (23144), 10113 states have call successors, (10113), 1838 states have call predecessors, (10113), 1822 states have return successors, (10369), 9928 states have call predecessors, (10369), 10110 states have call successors, (10369) [2022-11-22 02:09:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30026 states to 30026 states and 43626 transitions. [2022-11-22 02:09:57,940 INFO L78 Accepts]: Start accepts. Automaton has 30026 states and 43626 transitions. Word has length 99 [2022-11-22 02:09:57,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:57,943 INFO L495 AbstractCegarLoop]: Abstraction has 30026 states and 43626 transitions. [2022-11-22 02:09:57,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:09:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30026 states and 43626 transitions. [2022-11-22 02:09:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:09:57,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:57,948 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:57,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:09:57,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 02:09:57,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:57,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1932765044, now seen corresponding path program 1 times [2022-11-22 02:09:57,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:57,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111184737] [2022-11-22 02:09:57,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:57,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-22 02:10:00,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:00,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111184737] [2022-11-22 02:10:00,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111184737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:00,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:00,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:10:00,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686154096] [2022-11-22 02:10:00,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:00,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:10:00,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:00,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:10:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:10:00,287 INFO L87 Difference]: Start difference. First operand 30026 states and 43626 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-22 02:10:09,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:11,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:18,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:19,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:20,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:28,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:34,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:37,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:39,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:41,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:43,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:46,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:54,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:04,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:06,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:11:12,752 INFO L93 Difference]: Finished difference Result 40647 states and 59037 transitions. [2022-11-22 02:11:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:11:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2022-11-22 02:11:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:11:12,990 INFO L225 Difference]: With dead ends: 40647 [2022-11-22 02:11:12,990 INFO L226 Difference]: Without dead ends: 40645 [2022-11-22 02:11:13,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:11:13,027 INFO L413 NwaCegarLoop]: 10307 mSDtfsCounter, 5322 mSDsluCounter, 26356 mSDsCounter, 0 mSdLazyCounter, 4073 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5327 SdHoareTripleChecker+Valid, 36663 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4073 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:11:13,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5327 Valid, 36663 Invalid, 4083 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 4073 Invalid, 10 Unknown, 0 Unchecked, 70.7s Time] [2022-11-22 02:11:13,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40645 states. [2022-11-22 02:11:14,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40645 to 40587. [2022-11-22 02:11:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40587 states, 24472 states have (on average 1.279503105590062) internal successors, (31312), 25276 states have internal predecessors, (31312), 13645 states have call successors, (13645), 2493 states have call predecessors, (13645), 2467 states have return successors, (14001), 13397 states have call predecessors, (14001), 13642 states have call successors, (14001) [2022-11-22 02:11:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40587 states to 40587 states and 58958 transitions. [2022-11-22 02:11:15,533 INFO L78 Accepts]: Start accepts. Automaton has 40587 states and 58958 transitions. Word has length 109 [2022-11-22 02:11:15,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:11:15,534 INFO L495 AbstractCegarLoop]: Abstraction has 40587 states and 58958 transitions. [2022-11-22 02:11:15,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-22 02:11:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 40587 states and 58958 transitions. [2022-11-22 02:11:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-22 02:11:15,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:11:15,561 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:11:15,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:11:15,561 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 02:11:15,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:11:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 810755314, now seen corresponding path program 1 times [2022-11-22 02:11:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:11:15,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382569894] [2022-11-22 02:11:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:11:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:11:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:11:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-22 02:11:44,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:11:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382569894] [2022-11-22 02:11:44,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382569894] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:11:44,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011354124] [2022-11-22 02:11:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:11:44,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:11:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:11:44,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:11:44,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:11:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:11:47,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 7565 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-22 02:11:47,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:11:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-22 02:11:47,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:11:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-22 02:11:49,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011354124] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:11:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1826187628] [2022-11-22 02:11:49,101 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2022-11-22 02:11:49,102 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:11:49,108 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 02:11:49,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:11:49,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2022-11-22 02:11:49,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186902909] [2022-11-22 02:11:49,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:11:49,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 02:11:49,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:11:49,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 02:11:49,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:11:49,121 INFO L87 Difference]: Start difference. First operand 40587 states and 58958 transitions. Second operand has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2022-11-22 02:12:04,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:12,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:28,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:37,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:49,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:51,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:54,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:00,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:08,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:10,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:13,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:15,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:39,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:41,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:13:49,414 INFO L93 Difference]: Finished difference Result 72251 states and 104752 transitions. [2022-11-22 02:13:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:13:49,415 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) Word has length 162 [2022-11-22 02:13:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:13:49,640 INFO L225 Difference]: With dead ends: 72251 [2022-11-22 02:13:49,640 INFO L226 Difference]: Without dead ends: 40585 [2022-11-22 02:13:50,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-11-22 02:13:50,016 INFO L413 NwaCegarLoop]: 5791 mSDtfsCounter, 14 mSDsluCounter, 69359 mSDsCounter, 0 mSdLazyCounter, 8931 mSolverCounterSat, 9 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 75150 SdHoareTripleChecker+Invalid, 8949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 8931 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:13:50,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 75150 Invalid, 8949 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9 Valid, 8931 Invalid, 9 Unknown, 0 Unchecked, 117.9s Time] [2022-11-22 02:13:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40585 states. [2022-11-22 02:13:51,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40585 to 40585. [2022-11-22 02:13:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40585 states, 24471 states have (on average 1.279473662702791) internal successors, (31310), 25275 states have internal predecessors, (31310), 13644 states have call successors, (13644), 2493 states have call predecessors, (13644), 2467 states have return successors, (14000), 13396 states have call predecessors, (14000), 13641 states have call successors, (14000) [2022-11-22 02:13:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40585 states to 40585 states and 58954 transitions. [2022-11-22 02:13:52,126 INFO L78 Accepts]: Start accepts. Automaton has 40585 states and 58954 transitions. Word has length 162 [2022-11-22 02:13:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:13:52,127 INFO L495 AbstractCegarLoop]: Abstraction has 40585 states and 58954 transitions. [2022-11-22 02:13:52,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2022-11-22 02:13:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 40585 states and 58954 transitions. [2022-11-22 02:13:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-22 02:13:52,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:13:52,140 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:13:52,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:13:52,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9e007a-e28c-48e8-8620-92dd6550ccce/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:13:52,355 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 02:13:52,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:13:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1118527966, now seen corresponding path program 1 times [2022-11-22 02:13:52,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:13:52,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702862163] [2022-11-22 02:13:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:13:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-22 02:14:04,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:04,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702862163] [2022-11-22 02:14:04,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702862163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:04,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:14:04,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-22 02:14:04,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014522843] [2022-11-22 02:14:04,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:04,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 02:14:04,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:04,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 02:14:04,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:14:04,121 INFO L87 Difference]: Start difference. First operand 40585 states and 58954 transitions. Second operand has 13 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) [2022-11-22 02:14:25,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:31,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:46,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:52,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:59,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:01,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:05,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:07,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:09,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:11,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:13,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:15,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:17,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:19,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:30,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:37,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:38,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:39,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:41,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:43,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:15:45,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []