./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI --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 dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:33:13,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:33:13,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:33:13,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:33:13,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:33:13,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:33:13,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:33:13,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:33:13,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:33:13,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:33:13,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:33:13,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:33:13,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:33:13,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:33:13,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:33:13,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:33:13,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:33:13,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:33:13,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:33:13,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:33:13,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:33:13,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:33:13,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:33:13,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:33:13,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:33:13,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:33:13,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:33:13,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:33:13,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:33:13,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:33:13,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:33:13,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:33:13,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:33:13,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:33:13,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:33:13,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:33:13,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:33:13,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:33:13,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:33:13,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:33:13,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:33:13,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:33:13,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:33:13,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:33:13,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:33:13,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:33:13,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:33:13,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:33:13,935 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:33:13,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:33:13,936 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:33:13,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:33:13,937 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:33:13,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:33:13,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:33:13,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:33:13,938 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:33:13,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:33:13,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:33:13,938 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:33:13,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:33:13,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:33:13,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:33:13,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:33:13,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:33:13,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:33:13,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:33:13,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:33:13,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:33:13,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:33:13,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:33:13,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:13,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:33:13,943 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:33:13,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:33:13,945 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_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b [2022-11-03 03:33:14,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:33:14,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:33:14,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:33:14,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:33:14,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:33:14,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 03:33:14,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/data/8d233a3e6/898743994c5246f29557dc9d4084bb42/FLAGa37107981 [2022-11-03 03:33:15,423 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:33:15,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 03:33:15,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/data/8d233a3e6/898743994c5246f29557dc9d4084bb42/FLAGa37107981 [2022-11-03 03:33:15,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/data/8d233a3e6/898743994c5246f29557dc9d4084bb42 [2022-11-03 03:33:15,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:33:15,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:33:15,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:15,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:33:15,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:33:15,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:15" (1/1) ... [2022-11-03 03:33:15,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a900a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:15, skipping insertion in model container [2022-11-03 03:33:15,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:15" (1/1) ... [2022-11-03 03:33:15,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:33:15,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:33:19,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2022-11-03 03:33:19,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:19,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:33:20,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2022-11-03 03:33:20,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:20,491 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:33:20,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20 WrapperNode [2022-11-03 03:33:20,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:20,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:20,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:33:20,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:33:20,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:20,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:20,897 INFO L138 Inliner]: procedures = 473, calls = 2763, calls flagged for inlining = 210, calls inlined = 196, statements flattened = 6970 [2022-11-03 03:33:20,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:20,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:33:20,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:33:20,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:33:20,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:20,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:20,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:20,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:33:21,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:33:21,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:33:21,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:33:21,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (1/1) ... [2022-11-03 03:33:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:21,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:33:21,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:33:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-03 03:33:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-03 03:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-03 03:33:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-03 03:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-03 03:33:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-03 03:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:33:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-03 03:33:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-03 03:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-03 03:33:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-03 03:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-03 03:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-03 03:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-03 03:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-03 03:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2022-11-03 03:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2022-11-03 03:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-03 03:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-03 03:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-03 03:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-03 03:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-03 03:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-03 03:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 03:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 03:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 03:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 03:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 03:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 03:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-03 03:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-03 03:33:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-03 03:33:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-03 03:33:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-03 03:33:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-03 03:33:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-03 03:33:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-03 03:33:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-03 03:33:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-03 03:33:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_dump [2022-11-03 03:33:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_dump [2022-11-03 03:33:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:33:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:33:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-03 03:33:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-03 03:33:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 03:33:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 03:33:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-03 03:33:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-03 03:33:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-03 03:33:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-03 03:33:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-03 03:33:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-03 03:33:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-03 03:33:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-03 03:33:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-03 03:33:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-03 03:33:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-03 03:33:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-03 03:33:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:33:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-03 03:33:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-03 03:33:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-03 03:33:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-03 03:33:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-03 03:33:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-03 03:33:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-03 03:33:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-03 03:33:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-03 03:33:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-03 03:33:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-03 03:33:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-03 03:33:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:33:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:33:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-03 03:33:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-03 03:33:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:33:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:33:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_getlink [2022-11-03 03:33:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_getlink [2022-11-03 03:33:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-03 03:33:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-03 03:33:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-03 03:33:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-03 03:33:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-03 03:33:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-03 03:33:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:33:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:33:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_setlink [2022-11-03 03:33:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_setlink [2022-11-03 03:33:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-03 03:33:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-03 03:33:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:33:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-03 03:33:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-03 03:33:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-03 03:33:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-03 03:33:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-03 03:33:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-03 03:33:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-03 03:33:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-03 03:33:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:33:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-03 03:33:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-03 03:33:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-03 03:33:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-03 03:33:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:33:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-03 03:33:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-03 03:33:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-03 03:33:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-03 03:33:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:33:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:33:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-03 03:33:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-03 03:33:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-03 03:33:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-03 03:33:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-03 03:33:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-03 03:33:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 03:33:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 03:33:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-03 03:33:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-03 03:33:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 03:33:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 03:33:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:33:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:33:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-03 03:33:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-03 03:33:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-03 03:33:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-03 03:33:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-03 03:33:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-03 03:33:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-03 03:33:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-03 03:33:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-03 03:33:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-03 03:33:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-03 03:33:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-03 03:33:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 03:33:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 03:33:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:33:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:33:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:33:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 03:33:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 03:33:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-03 03:33:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 03:33:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-03 03:33:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:33:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:33:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:33:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-03 03:33:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-03 03:33:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:33:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:33:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-03 03:33:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-03 03:33:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-03 03:33:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-03 03:33:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-03 03:33:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-03 03:33:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-03 03:33:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-03 03:33:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:33:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:33:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-03 03:33:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-03 03:33:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:33:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:33:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-03 03:33:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-03 03:33:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 03:33:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 03:33:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-03 03:33:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-03 03:33:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-03 03:33:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-03 03:33:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 03:33:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 03:33:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 03:33:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 03:33:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:33:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:33:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-03 03:33:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-03 03:33:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-03 03:33:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-03 03:33:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-03 03:33:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-03 03:33:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-03 03:33:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-03 03:33:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-03 03:33:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-03 03:33:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-03 03:33:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:33:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:33:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:33:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:33:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 03:33:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 03:33:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-03 03:33:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-03 03:33:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 03:33:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 03:33:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-03 03:33:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-03 03:33:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-03 03:33:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-03 03:33:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-03 03:33:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-03 03:33:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-03 03:33:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-03 03:33:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 03:33:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-03 03:33:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-03 03:33:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-03 03:33:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-03 03:33:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-03 03:33:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-03 03:33:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 03:33:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 03:33:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-03 03:33:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-03 03:33:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-03 03:33:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-03 03:33:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-03 03:33:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-03 03:33:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:33:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:33:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:33:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:33:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-03 03:33:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-03 03:33:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 03:33:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 03:33:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-03 03:33:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-03 03:33:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure passthru_features_check [2022-11-03 03:33:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure passthru_features_check [2022-11-03 03:33:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_work [2022-11-03 03:33:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_work [2022-11-03 03:33:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-03 03:33:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-03 03:33:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:33:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:33:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:33:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:33:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-03 03:33:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-03 03:33:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:33:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:33:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-03 03:33:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-03 03:33:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-03 03:33:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-03 03:33:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-03 03:33:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-03 03:33:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:33:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:33:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:33:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-03 03:33:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-03 03:33:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 03:33:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 03:33:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-03 03:33:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-03 03:33:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:33:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:33:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:33:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 03:33:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 03:33:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-03 03:33:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-03 03:33:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-03 03:33:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-03 03:33:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-03 03:33:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-03 03:33:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 03:33:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2022-11-03 03:33:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-03 03:33:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-03 03:33:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 03:33:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 03:33:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:33:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:33:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 03:33:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 03:33:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:33:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:33:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:33:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:33:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-03 03:33:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-03 03:33:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-03 03:33:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-03 03:33:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_add [2022-11-03 03:33:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_add [2022-11-03 03:33:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-03 03:33:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-03 03:33:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:33:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:33:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-03 03:33:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-03 03:33:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-03 03:33:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-03 03:33:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-03 03:33:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-03 03:33:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-03 03:33:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-03 03:33:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_work [2022-11-03 03:33:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_work [2022-11-03 03:33:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-03 03:33:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-03 03:33:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-03 03:33:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-03 03:33:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-03 03:33:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-03 03:33:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:33:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:33:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2022-11-03 03:33:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2022-11-03 03:33:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-03 03:33:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-03 03:33:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:33:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:33:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-03 03:33:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-03 03:33:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:33:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-03 03:33:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-03 03:33:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-03 03:33:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-03 03:33:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:33:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:33:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-03 03:33:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-03 03:33:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-03 03:33:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-03 03:33:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-03 03:33:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-03 03:33:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-03 03:33:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-03 03:33:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-03 03:33:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-03 03:33:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-03 03:33:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-03 03:33:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-03 03:33:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-03 03:33:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:33:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:33:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-03 03:33:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-03 03:33:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 03:33:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 03:33:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 03:33:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 03:33:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 03:33:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 03:33:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-03 03:33:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-03 03:33:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-03 03:33:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-03 03:33:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-03 03:33:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-03 03:33:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_del [2022-11-03 03:33:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_del [2022-11-03 03:33:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-03 03:33:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-03 03:33:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 03:33:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 03:33:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-03 03:33:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-03 03:33:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:33:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:33:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_dellink [2022-11-03 03:33:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_dellink [2022-11-03 03:33:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-03 03:33:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-03 03:33:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:33:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:33:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-03 03:33:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-03 03:33:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:33:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:33:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-03 03:33:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-03 03:33:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-03 03:33:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-03 03:33:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 03:33:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 03:33:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-03 03:33:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-03 03:33:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:33:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:33:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:33:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-03 03:33:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-03 03:33:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-03 03:33:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-03 03:33:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-03 03:33:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-03 03:33:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-03 03:33:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-03 03:33:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-03 03:33:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-03 03:33:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-03 03:33:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-03 03:33:22,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:33:22,891 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:33:23,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:33:29,259 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:33:31,987 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:33:31,987 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:33:31,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:31 BoogieIcfgContainer [2022-11-03 03:33:31,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:33:31,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:33:31,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:33:32,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:33:32,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:33:15" (1/3) ... [2022-11-03 03:33:32,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055b622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:32, skipping insertion in model container [2022-11-03 03:33:32,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:20" (2/3) ... [2022-11-03 03:33:32,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055b622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:32, skipping insertion in model container [2022-11-03 03:33:32,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:31" (3/3) ... [2022-11-03 03:33:32,005 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 03:33:32,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:33:32,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:33:32,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:33:32,163 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;@54d4908f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:33:32,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:33:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 2340 states, 1455 states have (on average 1.3628865979381444) internal successors, (1983), 1514 states have internal predecessors, (1983), 682 states have call successors, (682), 202 states have call predecessors, (682), 201 states have return successors, (674), 661 states have call predecessors, (674), 674 states have call successors, (674) [2022-11-03 03:33:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-03 03:33:32,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:32,226 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:32,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:32,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1984800565, now seen corresponding path program 1 times [2022-11-03 03:33:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:32,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732313894] [2022-11-03 03:33:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-03 03:33:34,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:34,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732313894] [2022-11-03 03:33:34,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732313894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:34,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:34,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:33:34,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961128394] [2022-11-03 03:33:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:34,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:33:34,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:34,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:33:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:34,208 INFO L87 Difference]: Start difference. First operand has 2340 states, 1455 states have (on average 1.3628865979381444) internal successors, (1983), 1514 states have internal predecessors, (1983), 682 states have call successors, (682), 202 states have call predecessors, (682), 201 states have return successors, (674), 661 states have call predecessors, (674), 674 states have call successors, (674) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-03 03:33:36,304 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 [] [2022-11-03 03:33:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:39,145 INFO L93 Difference]: Finished difference Result 6802 states and 9801 transitions. [2022-11-03 03:33:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:33:39,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 473 [2022-11-03 03:33:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:39,191 INFO L225 Difference]: With dead ends: 6802 [2022-11-03 03:33:39,191 INFO L226 Difference]: Without dead ends: 4523 [2022-11-03 03:33:39,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:39,208 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3157 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 6657 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:39,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 6657 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 621 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 03:33:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2022-11-03 03:33:39,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4520. [2022-11-03 03:33:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4520 states, 2831 states have (on average 1.3599434828682444) internal successors, (3850), 2927 states have internal predecessors, (3850), 1291 states have call successors, (1291), 398 states have call predecessors, (1291), 397 states have return successors, (1289), 1263 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-03 03:33:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4520 states to 4520 states and 6430 transitions. [2022-11-03 03:33:39,534 INFO L78 Accepts]: Start accepts. Automaton has 4520 states and 6430 transitions. Word has length 473 [2022-11-03 03:33:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:39,540 INFO L495 AbstractCegarLoop]: Abstraction has 4520 states and 6430 transitions. [2022-11-03 03:33:39,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-03 03:33:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4520 states and 6430 transitions. [2022-11-03 03:33:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-11-03 03:33:39,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:39,554 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:39,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:33:39,555 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1340105724, now seen corresponding path program 1 times [2022-11-03 03:33:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:39,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825277900] [2022-11-03 03:33:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-03 03:33:40,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:40,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825277900] [2022-11-03 03:33:40,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825277900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:40,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:40,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:33:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696821105] [2022-11-03 03:33:40,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:40,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:33:40,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:40,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:33:40,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:33:40,768 INFO L87 Difference]: Start difference. First operand 4520 states and 6430 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2022-11-03 03:33:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:44,052 INFO L93 Difference]: Finished difference Result 9416 states and 13502 transitions. [2022-11-03 03:33:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:33:44,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 471 [2022-11-03 03:33:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:44,095 INFO L225 Difference]: With dead ends: 9416 [2022-11-03 03:33:44,095 INFO L226 Difference]: Without dead ends: 4987 [2022-11-03 03:33:44,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:33:44,116 INFO L413 NwaCegarLoop]: 3611 mSDtfsCounter, 3941 mSDsluCounter, 3439 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:44,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3941 Valid, 6744 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-03 03:33:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states. [2022-11-03 03:33:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4522. [2022-11-03 03:33:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4522 states, 2833 states have (on average 1.3593363925167667) internal successors, (3851), 2929 states have internal predecessors, (3851), 1291 states have call successors, (1291), 398 states have call predecessors, (1291), 397 states have return successors, (1289), 1263 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-03 03:33:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 6431 transitions. [2022-11-03 03:33:44,373 INFO L78 Accepts]: Start accepts. Automaton has 4522 states and 6431 transitions. Word has length 471 [2022-11-03 03:33:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:44,375 INFO L495 AbstractCegarLoop]: Abstraction has 4522 states and 6431 transitions. [2022-11-03 03:33:44,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2022-11-03 03:33:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4522 states and 6431 transitions. [2022-11-03 03:33:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-11-03 03:33:44,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:44,388 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:44,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:33:44,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:44,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash -407268237, now seen corresponding path program 1 times [2022-11-03 03:33:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:44,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117730374] [2022-11-03 03:33:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:44,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-03 03:33:45,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:45,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117730374] [2022-11-03 03:33:45,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117730374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:45,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:45,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:33:45,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373915101] [2022-11-03 03:33:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:45,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:33:45,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:45,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:33:45,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:45,352 INFO L87 Difference]: Start difference. First operand 4522 states and 6431 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 03:33:47,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:50,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:51,911 INFO L93 Difference]: Finished difference Result 13365 states and 19100 transitions. [2022-11-03 03:33:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:33:51,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 474 [2022-11-03 03:33:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:51,996 INFO L225 Difference]: With dead ends: 13365 [2022-11-03 03:33:51,997 INFO L226 Difference]: Without dead ends: 8925 [2022-11-03 03:33:52,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:52,035 INFO L413 NwaCegarLoop]: 3775 mSDtfsCounter, 3186 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:52,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 6686 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-03 03:33:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2022-11-03 03:33:52,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8915. [2022-11-03 03:33:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8915 states, 5595 states have (on average 1.362466487935657) internal successors, (7623), 5788 states have internal predecessors, (7623), 2528 states have call successors, (2528), 792 states have call predecessors, (2528), 791 states have return successors, (2618), 2472 states have call predecessors, (2618), 2526 states have call successors, (2618) [2022-11-03 03:33:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8915 states to 8915 states and 12769 transitions. [2022-11-03 03:33:52,871 INFO L78 Accepts]: Start accepts. Automaton has 8915 states and 12769 transitions. Word has length 474 [2022-11-03 03:33:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:52,874 INFO L495 AbstractCegarLoop]: Abstraction has 8915 states and 12769 transitions. [2022-11-03 03:33:52,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 03:33:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8915 states and 12769 transitions. [2022-11-03 03:33:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-03 03:33:52,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:52,903 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:52,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:33:52,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash -394700822, now seen corresponding path program 1 times [2022-11-03 03:33:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:52,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674831069] [2022-11-03 03:33:52,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:52,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3843 trivial. 0 not checked. [2022-11-03 03:33:53,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:53,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674831069] [2022-11-03 03:33:53,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674831069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:53,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:53,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:33:53,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696384055] [2022-11-03 03:33:53,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:53,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:33:53,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:53,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:33:53,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:53,885 INFO L87 Difference]: Start difference. First operand 8915 states and 12769 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 03:33:55,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:00,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:00,234 INFO L93 Difference]: Finished difference Result 19712 states and 28032 transitions. [2022-11-03 03:34:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:34:00,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 522 [2022-11-03 03:34:00,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:00,353 INFO L225 Difference]: With dead ends: 19712 [2022-11-03 03:34:00,354 INFO L226 Difference]: Without dead ends: 10888 [2022-11-03 03:34:00,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:00,409 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 2502 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 6735 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:00,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 6735 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 899 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 03:34:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10888 states. [2022-11-03 03:34:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10888 to 10873. [2022-11-03 03:34:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10873 states, 6830 states have (on average 1.3568081991215226) internal successors, (9267), 7074 states have internal predecessors, (9267), 3009 states have call successors, (3009), 1034 states have call predecessors, (3009), 1033 states have return successors, (3103), 2948 states have call predecessors, (3103), 3007 states have call successors, (3103) [2022-11-03 03:34:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10873 states to 10873 states and 15379 transitions. [2022-11-03 03:34:01,281 INFO L78 Accepts]: Start accepts. Automaton has 10873 states and 15379 transitions. Word has length 522 [2022-11-03 03:34:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:01,283 INFO L495 AbstractCegarLoop]: Abstraction has 10873 states and 15379 transitions. [2022-11-03 03:34:01,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 03:34:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 10873 states and 15379 transitions. [2022-11-03 03:34:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2022-11-03 03:34:01,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:01,314 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:01,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:34:01,314 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:01,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash -589720263, now seen corresponding path program 1 times [2022-11-03 03:34:01,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:01,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35420289] [2022-11-03 03:34:01,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:01,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5045 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5043 trivial. 0 not checked. [2022-11-03 03:34:02,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:02,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35420289] [2022-11-03 03:34:02,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35420289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:02,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:02,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541771710] [2022-11-03 03:34:02,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:02,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:34:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:34:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:02,672 INFO L87 Difference]: Start difference. First operand 10873 states and 15379 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 03:34:04,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:08,313 INFO L93 Difference]: Finished difference Result 22389 states and 31720 transitions. [2022-11-03 03:34:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:34:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 596 [2022-11-03 03:34:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:08,406 INFO L225 Difference]: With dead ends: 22389 [2022-11-03 03:34:08,406 INFO L226 Difference]: Without dead ends: 14745 [2022-11-03 03:34:08,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:08,441 INFO L413 NwaCegarLoop]: 4930 mSDtfsCounter, 2797 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 7674 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:08,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 7674 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1059 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 03:34:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14745 states. [2022-11-03 03:34:09,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14745 to 14730. [2022-11-03 03:34:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14730 states, 9305 states have (on average 1.3508866200967222) internal successors, (12570), 9632 states have internal predecessors, (12570), 4014 states have call successors, (4014), 1411 states have call predecessors, (4014), 1410 states have return successors, (4138), 3934 states have call predecessors, (4138), 4012 states have call successors, (4138) [2022-11-03 03:34:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14730 states to 14730 states and 20722 transitions. [2022-11-03 03:34:09,385 INFO L78 Accepts]: Start accepts. Automaton has 14730 states and 20722 transitions. Word has length 596 [2022-11-03 03:34:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:09,387 INFO L495 AbstractCegarLoop]: Abstraction has 14730 states and 20722 transitions. [2022-11-03 03:34:09,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 03:34:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 14730 states and 20722 transitions. [2022-11-03 03:34:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-11-03 03:34:09,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:09,419 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:09,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:34:09,420 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:09,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1354274029, now seen corresponding path program 1 times [2022-11-03 03:34:09,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:09,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805900989] [2022-11-03 03:34:09,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:09,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5064 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5060 trivial. 0 not checked. [2022-11-03 03:34:12,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:12,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805900989] [2022-11-03 03:34:12,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805900989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:12,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:12,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:34:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935321171] [2022-11-03 03:34:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:12,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:34:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:12,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:34:12,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:34:12,193 INFO L87 Difference]: Start difference. First operand 14730 states and 20722 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 03:34:13,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:14,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:16,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:24,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:24,744 INFO L93 Difference]: Finished difference Result 29570 states and 41641 transitions. [2022-11-03 03:34:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:34:24,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 634 [2022-11-03 03:34:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:24,832 INFO L225 Difference]: With dead ends: 29570 [2022-11-03 03:34:24,832 INFO L226 Difference]: Without dead ends: 18069 [2022-11-03 03:34:24,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:24,869 INFO L413 NwaCegarLoop]: 4930 mSDtfsCounter, 2796 mSDsluCounter, 12662 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 16261 SdHoareTripleChecker+Invalid, 3587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:24,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 16261 Invalid, 3587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 3515 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-11-03 03:34:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18069 states. [2022-11-03 03:34:25,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18069 to 18002. [2022-11-03 03:34:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18002 states, 11390 states have (on average 1.3540825285338016) internal successors, (15423), 11793 states have internal predecessors, (15423), 4878 states have call successors, (4878), 1731 states have call predecessors, (4878), 1733 states have return successors, (5031), 4783 states have call predecessors, (5031), 4876 states have call successors, (5031) [2022-11-03 03:34:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18002 states to 18002 states and 25332 transitions. [2022-11-03 03:34:25,708 INFO L78 Accepts]: Start accepts. Automaton has 18002 states and 25332 transitions. Word has length 634 [2022-11-03 03:34:25,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:25,709 INFO L495 AbstractCegarLoop]: Abstraction has 18002 states and 25332 transitions. [2022-11-03 03:34:25,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 03:34:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 18002 states and 25332 transitions. [2022-11-03 03:34:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2022-11-03 03:34:25,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:25,738 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:25,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:34:25,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:25,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:25,739 INFO L85 PathProgramCache]: Analyzing trace with hash 590734554, now seen corresponding path program 1 times [2022-11-03 03:34:25,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:25,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474751935] [2022-11-03 03:34:25,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:25,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5064 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-03 03:34:26,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:26,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474751935] [2022-11-03 03:34:26,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474751935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:26,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:26,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:26,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528042880] [2022-11-03 03:34:26,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:26,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:34:26,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:26,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:34:26,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:26,809 INFO L87 Difference]: Start difference. First operand 18002 states and 25332 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-03 03:34:28,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:30,908 INFO L93 Difference]: Finished difference Result 34541 states and 48959 transitions. [2022-11-03 03:34:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:34:30,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 647 [2022-11-03 03:34:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:31,005 INFO L225 Difference]: With dead ends: 34541 [2022-11-03 03:34:31,006 INFO L226 Difference]: Without dead ends: 18009 [2022-11-03 03:34:31,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:31,070 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 0 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5995 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:31,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5995 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 03:34:31,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18009 states. [2022-11-03 03:34:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18009 to 18009. [2022-11-03 03:34:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18009 states, 11397 states have (on average 1.353865052206721) internal successors, (15430), 11800 states have internal predecessors, (15430), 4878 states have call successors, (4878), 1731 states have call predecessors, (4878), 1733 states have return successors, (5031), 4783 states have call predecessors, (5031), 4876 states have call successors, (5031) [2022-11-03 03:34:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18009 states to 18009 states and 25339 transitions. [2022-11-03 03:34:31,858 INFO L78 Accepts]: Start accepts. Automaton has 18009 states and 25339 transitions. Word has length 647 [2022-11-03 03:34:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:31,860 INFO L495 AbstractCegarLoop]: Abstraction has 18009 states and 25339 transitions. [2022-11-03 03:34:31,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-03 03:34:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 18009 states and 25339 transitions. [2022-11-03 03:34:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2022-11-03 03:34:31,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:31,888 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:31,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:34:31,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:31,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:31,890 INFO L85 PathProgramCache]: Analyzing trace with hash -459554384, now seen corresponding path program 1 times [2022-11-03 03:34:31,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:31,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950100654] [2022-11-03 03:34:31,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:31,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-03 03:34:33,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:33,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950100654] [2022-11-03 03:34:33,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950100654] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:34:33,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375414648] [2022-11-03 03:34:33,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:33,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:33,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:34:33,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fc663e-ed85-4a76-826e-a4f1a5b45a8a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:34:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:35,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 7084 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:34:35,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2022-11-03 03:34:35,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:34:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-03 03:34:36,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375414648] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:34:36,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1188175638] [2022-11-03 03:34:36,516 INFO L159 IcfgInterpreter]: Started Sifa with 226 locations of interest [2022-11-03 03:34:36,516 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:34:36,521 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:34:36,526 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:34:36,526 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:34:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:50,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:55,821 INFO L244 Elim1Store]: Index analysis took 8847 ms