./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P --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 fbb284c8fe8987476d295a126460c40daa8ed05b0e9056fced60c5d754c64dca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 02:00:05,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 02:00:05,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 02:00:05,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 02:00:05,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 02:00:05,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 02:00:05,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 02:00:05,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 02:00:05,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 02:00:05,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 02:00:05,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 02:00:05,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 02:00:05,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 02:00:05,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 02:00:05,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 02:00:05,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 02:00:05,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 02:00:05,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 02:00:05,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 02:00:05,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 02:00:05,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 02:00:05,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 02:00:05,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 02:00:05,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 02:00:05,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 02:00:05,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 02:00:05,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 02:00:05,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 02:00:05,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 02:00:05,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 02:00:05,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 02:00:05,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 02:00:05,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 02:00:05,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 02:00:05,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 02:00:05,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 02:00:05,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 02:00:05,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 02:00:05,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 02:00:05,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 02:00:05,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 02:00:05,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 02:00:05,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 02:00:05,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 02:00:05,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 02:00:05,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 02:00:05,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 02:00:05,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 02:00:05,972 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 02:00:05,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 02:00:05,972 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 02:00:05,973 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 02:00:05,973 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 02:00:05,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 02:00:05,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 02:00:05,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 02:00:05,974 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 02:00:05,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 02:00:05,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 02:00:05,974 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 02:00:05,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 02:00:05,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 02:00:05,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 02:00:05,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 02:00:05,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 02:00:05,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 02:00:05,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 02:00:05,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 02:00:05,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 02:00:05,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 02:00:05,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 02:00:05,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:05,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 02:00:05,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 02:00:05,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 02:00:05,978 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 02:00:05,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 02:00:05,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 02:00:05,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 02:00:05,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 02:00:05,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb284c8fe8987476d295a126460c40daa8ed05b0e9056fced60c5d754c64dca [2021-11-21 02:00:06,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 02:00:06,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 02:00:06,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 02:00:06,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 02:00:06,235 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 02:00:06,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-21 02:00:06,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/data/f6581a4a2/f932f9ac71454b48bf8e9f177c8ee7cc/FLAG83062cb26 [2021-11-21 02:00:07,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 02:00:07,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-21 02:00:07,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/data/f6581a4a2/f932f9ac71454b48bf8e9f177c8ee7cc/FLAG83062cb26 [2021-11-21 02:00:08,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/data/f6581a4a2/f932f9ac71454b48bf8e9f177c8ee7cc [2021-11-21 02:00:08,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 02:00:08,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 02:00:08,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:08,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 02:00:08,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 02:00:08,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:08" (1/1) ... [2021-11-21 02:00:08,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e14eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:08, skipping insertion in model container [2021-11-21 02:00:08,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:08" (1/1) ... [2021-11-21 02:00:08,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 02:00:08,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 02:00:18,026 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_2464f5c9-e62d-4800-a832-eff1462181b0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042469,1042482] [2021-11-21 02:00:18,029 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_2464f5c9-e62d-4800-a832-eff1462181b0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042614,1042627] [2021-11-21 02:00:18,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 02:00:18,340 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 02:00:19,371 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_2464f5c9-e62d-4800-a832-eff1462181b0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042469,1042482] [2021-11-21 02:00:19,373 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_2464f5c9-e62d-4800-a832-eff1462181b0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1042614,1042627] [2021-11-21 02:00:19,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 02:00:19,851 INFO L208 MainTranslator]: Completed translation [2021-11-21 02:00:19,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19 WrapperNode [2021-11-21 02:00:19,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:19,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 02:00:19,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 02:00:19,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 02:00:19,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:20,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:21,013 INFO L137 Inliner]: procedures = 664, calls = 14258, calls flagged for inlining = 328, calls inlined = 301, statements flattened = 27199 [2021-11-21 02:00:21,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 02:00:21,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 02:00:21,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 02:00:21,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 02:00:21,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:21,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:21,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:21,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:22,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:22,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:22,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:22,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 02:00:22,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 02:00:22,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 02:00:22,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 02:00:22,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (1/1) ... [2021-11-21 02:00:22,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:22,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 02:00:22,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 02:00:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_rf_reg [2021-11-21 02:00:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_rf_reg [2021-11-21 02:00:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-21 02:00:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-21 02:00:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-21 02:00:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-21 02:00:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-21 02:00:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-21 02:00:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_interrupt [2021-11-21 02:00:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_interrupt [2021-11-21 02:00:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 02:00:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 02:00:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_bb_reg [2021-11-21 02:00:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_bb_reg [2021-11-21 02:00:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-21 02:00:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-21 02:00:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 02:00:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 02:00:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-21 02:00:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-21 02:00:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_deinit_sw_vars [2021-11-21 02:00:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_deinit_sw_vars [2021-11-21 02:00:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-21 02:00:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-11-21 02:00:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-21 02:00:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-21 02:00:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 02:00:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 02:00:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 02:00:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 02:00:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_is_fw_downloaded [2021-11-21 02:00:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_is_fw_downloaded [2021-11-21 02:00:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-21 02:00:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93___0 [2021-11-21 02:00:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-21 02:00:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-21 02:00:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_polling [2021-11-21 02:00:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_polling [2021-11-21 02:00:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_led_control [2021-11-21 02:00:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_led_control [2021-11-21 02:00:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 02:00:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 02:00:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 02:00:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 02:00:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 02:00:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 02:00:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92ce_init_led [2021-11-21 02:00:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92ce_init_led [2021-11-21 02:00:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_watchdog [2021-11-21 02:00:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_watchdog [2021-11-21 02:00:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 02:00:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_llt_write [2021-11-21 02:00:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_llt_write [2021-11-21 02:00:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_stop_tx_beacon [2021-11-21 02:00:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_stop_tx_beacon [2021-11-21 02:00:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_firmware_selfreset [2021-11-21 02:00:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_firmware_selfreset [2021-11-21 02:00:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-21 02:00:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-21 02:00:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_query_rxpwrpercentage [2021-11-21 02:00:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_query_rxpwrpercentage [2021-11-21 02:00:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_write_dig [2021-11-21 02:00:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_write_dig [2021-11-21 02:00:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bw_mode [2021-11-21 02:00:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bw_mode [2021-11-21 02:00:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-21 02:00:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-21 02:00:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bb_reg [2021-11-21 02:00:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bb_reg [2021-11-21 02:00:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_lc_calibrate [2021-11-21 02:00:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_lc_calibrate [2021-11-21 02:00:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 02:00:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 02:00:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 02:00:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-21 02:00:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-21 02:00:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_simularity_compare [2021-11-21 02:00:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_simularity_compare [2021-11-21 02:00:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pimode_switch [2021-11-21 02:00:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pimode_switch [2021-11-21 02:00:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 02:00:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 02:00:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_powerdown_anotherphy [2021-11-21 02:00:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_powerdown_anotherphy [2021-11-21 02:00:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 02:00:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_update_bbrf_configuration [2021-11-21 02:00:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_update_bbrf_configuration [2021-11-21 02:00:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 02:00:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 02:00:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_mac_setting_calibration [2021-11-21 02:00:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_mac_setting_calibration [2021-11-21 02:00:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 02:00:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 02:00:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 02:00:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 02:00:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 02:00:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_hw_reg [2021-11-21 02:00:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_hw_reg [2021-11-21 02:00:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 02:00:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 02:00:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 02:00:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 02:00:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-21 02:00:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-21 02:00:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_power [2021-11-21 02:00:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_power [2021-11-21 02:00:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-21 02:00:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-21 02:00:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-21 02:00:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-21 02:00:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_suspend [2021-11-21 02:00:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_suspend [2021-11-21 02:00:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-21 02:00:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-11-21 02:00:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_hw_security_config [2021-11-21 02:00:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_hw_security_config [2021-11-21 02:00:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-21 02:00:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_config_rf_with_headerfile [2021-11-21 02:00:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_check_bssid [2021-11-21 02:00:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_check_bssid [2021-11-21 02:00:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_media_status [2021-11-21 02:00:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_media_status [2021-11-21 02:00:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_fill_h2c_cmd [2021-11-21 02:00:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_fill_h2c_cmd [2021-11-21 02:00:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-21 02:00:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-21 02:00:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 02:00:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_related_registers [2021-11-21 02:00:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_related_registers [2021-11-21 02:00:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 02:00:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 02:00:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 02:00:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 02:00:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 02:00:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 02:00:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 02:00:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 02:00:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 02:00:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 02:00:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 02:00:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_lc_calibrate [2021-11-21 02:00:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_lc_calibrate [2021-11-21 02:00:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-21 02:00:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-21 02:00:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_iq_calibrate [2021-11-21 02:00:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_iq_calibrate [2021-11-21 02:00:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-21 02:00:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-21 02:00:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_disable_interrupt [2021-11-21 02:00:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_disable_interrupt [2021-11-21 02:00:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-21 02:00:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-11-21 02:00:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_desc [2021-11-21 02:00:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_desc [2021-11-21 02:00:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-21 02:00:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-21 02:00:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_fw_page_write [2021-11-21 02:00:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_fw_page_write [2021-11-21 02:00:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-21 02:00:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-21 02:00:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-21 02:00:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-11-21 02:00:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-21 02:00:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88___0 [2021-11-21 02:00:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 02:00:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 02:00:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_txpower_level [2021-11-21 02:00:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_txpower_level [2021-11-21 02:00:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_fill_cmddesc [2021-11-21 02:00:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_fill_cmddesc [2021-11-21 02:00:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-21 02:00:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-21 02:00:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 02:00:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 02:00:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 02:00:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 02:00:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_on [2021-11-21 02:00:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_on [2021-11-21 02:00:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_reset_iqk_result [2021-11-21 02:00:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_reset_iqk_result [2021-11-21 02:00:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-21 02:00:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-21 02:00:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-21 02:00:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-21 02:00:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_resume_tx_beacon [2021-11-21 02:00:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_resume_tx_beacon [2021-11-21 02:00:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-21 02:00:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-21 02:00:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 02:00:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 02:00:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_check_fw_read_last_h2c [2021-11-21 02:00:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_check_fw_read_last_h2c [2021-11-21 02:00:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_init_sw_vars [2021-11-21 02:00:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_init_sw_vars [2021-11-21 02:00:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-21 02:00:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-21 02:00:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-21 02:00:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-21 02:00:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-21 02:00:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-21 02:00:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-21 02:00:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-21 02:00:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 02:00:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 02:00:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-21 02:00:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-21 02:00:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 02:00:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 02:00:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-21 02:00:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-11-21 02:00:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_enable_rf_env [2021-11-21 02:00:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_enable_rf_env [2021-11-21 02:00:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_mac_registers [2021-11-21 02:00:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_mac_registers [2021-11-21 02:00:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 02:00:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_restore_rf_env [2021-11-21 02:00:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_restore_rf_env [2021-11-21 02:00:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_iq_calibrate [2021-11-21 02:00:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_iq_calibrate [2021-11-21 02:00:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 02:00:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_resume [2021-11-21 02:00:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_resume [2021-11-21 02:00:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-21 02:00:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_get_rightchnlplace_for_iqk [2021-11-21 02:00:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-21 02:00:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-21 02:00:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 02:00:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_eeprom_info [2021-11-21 02:00:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_eeprom_info [2021-11-21 02:00:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 02:00:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 02:00:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 02:00:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 02:00:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_rf_serial_read [2021-11-21 02:00:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_rf_serial_read [2021-11-21 02:00:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-21 02:00:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-11-21 02:00:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___2 [2021-11-21 02:00:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___2 [2021-11-21 02:00:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-21 02:00:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-21 02:00:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-21 02:00:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-21 02:00:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-21 02:00:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-21 02:00:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 02:00:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 02:00:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-21 02:00:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-11-21 02:00:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 02:00:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 02:00:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_off [2021-11-21 02:00:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_off [2021-11-21 02:00:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-21 02:00:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-21 02:00:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-21 02:00:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-21 02:00:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_poweroff_adapter [2021-11-21 02:00:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_poweroff_adapter [2021-11-21 02:00:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-21 02:00:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-21 02:00:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-21 02:00:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-21 02:00:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_path_adda_on [2021-11-21 02:00:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_path_adda_on [2021-11-21 02:00:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-21 02:00:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-21 02:00:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calculate_bit_shift [2021-11-21 02:00:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calculate_bit_shift [2021-11-21 02:00:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-21 02:00:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-21 02:00:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_channel_access_setting [2021-11-21 02:00:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_channel_access_setting [2021-11-21 02:00:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_mac_registers [2021-11-21 02:00:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_mac_registers [2021-11-21 02:00:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_adda_registers [2021-11-21 02:00:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_adda_registers [2021-11-21 02:00:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_switch_wirelessband [2021-11-21 02:00:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_switch_wirelessband [2021-11-21 02:00:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_hw_init [2021-11-21 02:00:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_hw_init [2021-11-21 02:00:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calc_curvindex [2021-11-21 02:00:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calc_curvindex [2021-11-21 02:00:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_interval [2021-11-21 02:00:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_interval [2021-11-21 02:00:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 02:00:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-21 02:00:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-11-21 02:00:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_hw_reg [2021-11-21 02:00:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_hw_reg [2021-11-21 02:00:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-21 02:00:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_bcn_ctrl_reg [2021-11-21 02:00:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 02:00:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 02:00:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-21 02:00:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-21 02:00:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_qos [2021-11-21 02:00:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_qos [2021-11-21 02:00:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_linked_set_reg [2021-11-21 02:00:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_linked_set_reg [2021-11-21 02:00:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-21 02:00:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl [2021-11-21 02:00:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_init_edca_turbo [2021-11-21 02:00:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_init_edca_turbo [2021-11-21 02:00:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_dword_dbi [2021-11-21 02:00:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_dword_dbi [2021-11-21 02:00:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-21 02:00:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-21 02:00:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_interrupt_mask [2021-11-21 02:00:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_interrupt_mask [2021-11-21 02:00:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-21 02:00:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-21 02:00:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_enable_fw_download [2021-11-21 02:00:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_enable_fw_download [2021-11-21 02:00:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_init_sw_leds [2021-11-21 02:00:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_init_sw_leds [2021-11-21 02:00:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_rf_reg [2021-11-21 02:00:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_rf_reg [2021-11-21 02:00:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-21 02:00:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-21 02:00:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-21 02:00:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-21 02:00:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_adda_registers [2021-11-21 02:00:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_adda_registers [2021-11-21 02:00:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 02:00:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 02:00:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_card_disable [2021-11-21 02:00:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_card_disable [2021-11-21 02:00:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-21 02:00:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_config_bb_with_headerfile [2021-11-21 02:00:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-21 02:00:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-21 02:00:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_signal_scale_mapping [2021-11-21 02:00:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_signal_scale_mapping [2021-11-21 02:00:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_enable_anotherphy [2021-11-21 02:00:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_enable_anotherphy [2021-11-21 02:00:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-21 02:00:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90___0 [2021-11-21 02:00:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 02:00:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-21 02:00:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-21 02:00:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_write_dword_dbi [2021-11-21 02:00:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_write_dword_dbi [2021-11-21 02:00:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 02:00:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 02:00:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-21 02:00:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-11-21 02:00:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-21 02:00:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-11-21 02:00:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-21 02:00:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-11-21 02:00:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-21 02:00:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-21 02:00:25,526 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 02:00:25,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 02:00:37,414 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 02:01:57,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 02:02:06,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 02:02:06,313 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-21 02:02:06,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:02:06 BoogieIcfgContainer [2021-11-21 02:02:06,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 02:02:06,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 02:02:06,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 02:02:06,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 02:02:06,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:00:08" (1/3) ... [2021-11-21 02:02:06,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc9ce03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:02:06, skipping insertion in model container [2021-11-21 02:02:06,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19" (2/3) ... [2021-11-21 02:02:06,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc9ce03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:02:06, skipping insertion in model container [2021-11-21 02:02:06,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:02:06" (3/3) ... [2021-11-21 02:02:06,341 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-11-21 02:02:06,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 02:02:06,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 02:02:06,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 02:02:06,461 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 02:02:06,462 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 02:02:06,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 6716 states, 3988 states have (on average 1.3472918756268806) internal successors, (5373), 4208 states have internal predecessors, (5373), 2569 states have call successors, (2569), 168 states have call predecessors, (2569), 167 states have return successors, (2562), 2460 states have call predecessors, (2562), 2562 states have call successors, (2562) [2021-11-21 02:02:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 02:02:06,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:06,649 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 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] [2021-11-21 02:02:06,649 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:02:06,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:06,659 INFO L85 PathProgramCache]: Analyzing trace with hash 320276347, now seen corresponding path program 1 times [2021-11-21 02:02:06,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:06,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011357871] [2021-11-21 02:02:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:06,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-21 02:02:08,733 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:08,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011357871] [2021-11-21 02:02:08,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011357871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:08,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:08,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 02:02:08,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980111222] [2021-11-21 02:02:08,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:08,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 02:02:08,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:08,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 02:02:08,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 02:02:08,787 INFO L87 Difference]: Start difference. First operand has 6716 states, 3988 states have (on average 1.3472918756268806) internal successors, (5373), 4208 states have internal predecessors, (5373), 2569 states have call successors, (2569), 168 states have call predecessors, (2569), 167 states have return successors, (2562), 2460 states have call predecessors, (2562), 2562 states have call successors, (2562) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 02:02:11,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:13,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:17,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:20,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:22,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:24,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:26,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:28,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:33,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:37,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:39,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:02:40,035 INFO L93 Difference]: Finished difference Result 7763 states and 11884 transitions. [2021-11-21 02:02:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 02:02:40,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 115 [2021-11-21 02:02:40,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:02:40,089 INFO L225 Difference]: With dead ends: 7763 [2021-11-21 02:02:40,089 INFO L226 Difference]: Without dead ends: 3336 [2021-11-21 02:02:40,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 02:02:40,121 INFO L933 BasicCegarLoop]: 5400 mSDtfsCounter, 2 mSDsluCounter, 5918 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10797 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2021-11-21 02:02:40,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 10797 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1047 Invalid, 9 Unknown, 0 Unchecked, 30.8s Time] [2021-11-21 02:02:40,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2021-11-21 02:02:40,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3332. [2021-11-21 02:02:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 2096 states have (on average 1.3439885496183206) internal successors, (2817), 2179 states have internal predecessors, (2817), 1112 states have call successors, (1112), 122 states have call predecessors, (1112), 122 states have return successors, (1112), 1069 states have call predecessors, (1112), 1112 states have call successors, (1112) [2021-11-21 02:02:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 5041 transitions. [2021-11-21 02:02:40,690 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 5041 transitions. Word has length 115 [2021-11-21 02:02:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:02:40,692 INFO L470 AbstractCegarLoop]: Abstraction has 3332 states and 5041 transitions. [2021-11-21 02:02:40,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 02:02:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 5041 transitions. [2021-11-21 02:02:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 02:02:40,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:02:40,698 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 02:02:40,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 02:02:40,699 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:02:40,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:02:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1430832938, now seen corresponding path program 1 times [2021-11-21 02:02:40,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:02:40,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793545505] [2021-11-21 02:02:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:02:40,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:02:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:02:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-21 02:02:43,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:02:43,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793545505] [2021-11-21 02:02:43,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793545505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:02:43,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:02:43,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 02:02:43,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390506278] [2021-11-21 02:02:43,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:02:43,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 02:02:43,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:02:43,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 02:02:43,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 02:02:43,060 INFO L87 Difference]: Start difference. First operand 3332 states and 5041 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 02:02:45,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:48,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:02:58,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:00,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:05,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:07,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:09,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:10,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:12,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:15,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:17,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:03:22,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:03:31,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:34,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:37,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:39,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:40,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:43,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:46,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:03:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:03:48,368 INFO L93 Difference]: Finished difference Result 6186 states and 9402 transitions. [2021-11-21 02:03:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 02:03:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 124 [2021-11-21 02:03:48,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:03:48,427 INFO L225 Difference]: With dead ends: 6186 [2021-11-21 02:03:48,427 INFO L226 Difference]: Without dead ends: 6184 [2021-11-21 02:03:48,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-21 02:03:48,433 INFO L933 BasicCegarLoop]: 5660 mSDtfsCounter, 4313 mSDsluCounter, 21366 mSDsCounter, 0 mSdLazyCounter, 4321 mSolverCounterSat, 32 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4334 SdHoareTripleChecker+Valid, 25221 SdHoareTripleChecker+Invalid, 4365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 4321 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:03:48,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4334 Valid, 25221 Invalid, 4365 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [32 Valid, 4321 Invalid, 12 Unknown, 0 Unchecked, 64.0s Time] [2021-11-21 02:03:48,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6184 states. [2021-11-21 02:03:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6184 to 6172. [2021-11-21 02:03:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 3896 states have (on average 1.3452258726899384) internal successors, (5241), 4062 states have internal predecessors, (5241), 2045 states have call successors, (2045), 234 states have call predecessors, (2045), 229 states have return successors, (2103), 1948 states have call predecessors, (2103), 2045 states have call successors, (2103) [2021-11-21 02:03:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 9389 transitions. [2021-11-21 02:03:49,177 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 9389 transitions. Word has length 124 [2021-11-21 02:03:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:03:49,177 INFO L470 AbstractCegarLoop]: Abstraction has 6172 states and 9389 transitions. [2021-11-21 02:03:49,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 02:03:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 9389 transitions. [2021-11-21 02:03:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-21 02:03:49,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:03:49,209 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-21 02:03:49,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 02:03:49,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:03:49,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:03:49,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1060754782, now seen corresponding path program 1 times [2021-11-21 02:03:49,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:03:49,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481267898] [2021-11-21 02:03:49,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:49,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:03:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-21 02:03:50,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:03:50,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481267898] [2021-11-21 02:03:50,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481267898] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 02:03:50,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638863240] [2021-11-21 02:03:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:03:50,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:03:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:03:50,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:03:50,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 02:03:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:03:54,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 16826 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 02:03:54,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:04:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-11-21 02:04:40,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 02:04:40,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638863240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:04:40,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 02:04:40,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2021-11-21 02:04:40,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050215418] [2021-11-21 02:04:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:04:40,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 02:04:40,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:04:40,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 02:04:40,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-11-21 02:04:40,361 INFO L87 Difference]: Start difference. First operand 6172 states and 9389 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-21 02:04:42,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:04:45,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:04:48,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:04:51,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:04:53,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:04,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:06,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:08,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:12,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:15,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:20,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:23,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:25,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:27,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:31,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:32,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:34,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:36,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:38,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:48,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:05:55,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:05:57,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:12,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:17,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:21,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:23,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:26,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:28,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:29,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:30,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:35,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:39,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:42,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:44,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:49,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:51,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:52,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:06:56,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:01,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:07,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:12,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:15,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:07:21,475 INFO L93 Difference]: Finished difference Result 12314 states and 18841 transitions. [2021-11-21 02:07:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 02:07:21,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 236 [2021-11-21 02:07:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:07:21,583 INFO L225 Difference]: With dead ends: 12314 [2021-11-21 02:07:21,583 INFO L226 Difference]: Without dead ends: 12312 [2021-11-21 02:07:21,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-11-21 02:07:21,594 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 7154 mSDsluCounter, 24181 mSDsCounter, 0 mSdLazyCounter, 17470 mSolverCounterSat, 3927 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 150.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8426 SdHoareTripleChecker+Valid, 27230 SdHoareTripleChecker+Invalid, 21428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3927 IncrementalHoareTripleChecker+Valid, 17470 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.0s IncrementalHoareTripleChecker+Time [2021-11-21 02:07:21,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8426 Valid, 27230 Invalid, 21428 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3927 Valid, 17470 Invalid, 31 Unknown, 0 Unchecked, 159.0s Time] [2021-11-21 02:07:21,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12312 states. [2021-11-21 02:07:23,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12312 to 12284. [2021-11-21 02:07:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12284 states, 7762 states have (on average 1.3463024993558361) internal successors, (10450), 8101 states have internal predecessors, (10450), 4069 states have call successors, (4069), 456 states have call predecessors, (4069), 451 states have return successors, (4290), 3879 states have call predecessors, (4290), 4069 states have call successors, (4290) [2021-11-21 02:07:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12284 states to 12284 states and 18809 transitions. [2021-11-21 02:07:23,304 INFO L78 Accepts]: Start accepts. Automaton has 12284 states and 18809 transitions. Word has length 236 [2021-11-21 02:07:23,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:07:23,306 INFO L470 AbstractCegarLoop]: Abstraction has 12284 states and 18809 transitions. [2021-11-21 02:07:23,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-21 02:07:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 12284 states and 18809 transitions. [2021-11-21 02:07:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-21 02:07:23,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:07:23,358 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 02:07:23,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 02:07:23,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:07:23,583 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:07:23,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:07:23,583 INFO L85 PathProgramCache]: Analyzing trace with hash 628652417, now seen corresponding path program 1 times [2021-11-21 02:07:23,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:07:23,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318443353] [2021-11-21 02:07:23,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:07:23,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:07:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:07:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-11-21 02:07:24,521 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:07:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318443353] [2021-11-21 02:07:24,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318443353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:07:24,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:07:24,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 02:07:24,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037726815] [2021-11-21 02:07:24,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:07:24,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 02:07:24,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:07:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 02:07:24,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 02:07:24,524 INFO L87 Difference]: Start difference. First operand 12284 states and 18809 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-21 02:07:26,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:29,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:33,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:35,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:38,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:42,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:45,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:47,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:49,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:52,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:55,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:07:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:07:55,635 INFO L93 Difference]: Finished difference Result 24590 states and 37699 transitions. [2021-11-21 02:07:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 02:07:55,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 281 [2021-11-21 02:07:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:07:55,740 INFO L225 Difference]: With dead ends: 24590 [2021-11-21 02:07:55,740 INFO L226 Difference]: Without dead ends: 12332 [2021-11-21 02:07:55,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 02:07:55,817 INFO L933 BasicCegarLoop]: 4577 mSDtfsCounter, 6 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 10 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9142 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:07:55,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 9142 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 916 Invalid, 10 Unknown, 0 Unchecked, 30.4s Time] [2021-11-21 02:07:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12332 states. [2021-11-21 02:07:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12332 to 12320. [2021-11-21 02:07:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12320 states, 7798 states have (on average 1.3447037701974864) internal successors, (10486), 8137 states have internal predecessors, (10486), 4069 states have call successors, (4069), 456 states have call predecessors, (4069), 451 states have return successors, (4290), 3879 states have call predecessors, (4290), 4069 states have call successors, (4290) [2021-11-21 02:07:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12320 states to 12320 states and 18845 transitions. [2021-11-21 02:07:57,563 INFO L78 Accepts]: Start accepts. Automaton has 12320 states and 18845 transitions. Word has length 281 [2021-11-21 02:07:57,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:07:57,564 INFO L470 AbstractCegarLoop]: Abstraction has 12320 states and 18845 transitions. [2021-11-21 02:07:57,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-21 02:07:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 12320 states and 18845 transitions. [2021-11-21 02:07:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-21 02:07:57,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:07:57,613 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 02:07:57,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 02:07:57,614 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:07:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:07:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1461422232, now seen corresponding path program 1 times [2021-11-21 02:07:57,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:07:57,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936372736] [2021-11-21 02:07:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:07:57,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:07:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:07:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-21 02:07:59,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:07:59,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936372736] [2021-11-21 02:07:59,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936372736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:07:59,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:07:59,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 02:07:59,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579346392] [2021-11-21 02:07:59,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:07:59,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 02:07:59,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:07:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 02:07:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 02:07:59,525 INFO L87 Difference]: Start difference. First operand 12320 states and 18845 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-21 02:08:01,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:04,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:10,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:16,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:18,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:22,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:25,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:32,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:08:33,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:08:37,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:39,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:08:55,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:08:58,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:01,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:03,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:09:03,541 INFO L93 Difference]: Finished difference Result 17616 states and 26934 transitions. [2021-11-21 02:09:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 02:09:03,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 226 [2021-11-21 02:09:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:09:03,655 INFO L225 Difference]: With dead ends: 17616 [2021-11-21 02:09:03,655 INFO L226 Difference]: Without dead ends: 17614 [2021-11-21 02:09:03,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-21 02:09:03,671 INFO L933 BasicCegarLoop]: 5642 mSDtfsCounter, 4122 mSDsluCounter, 21393 mSDsCounter, 0 mSdLazyCounter, 4278 mSolverCounterSat, 32 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 25213 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 4278 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.2s IncrementalHoareTripleChecker+Time [2021-11-21 02:09:03,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4142 Valid, 25213 Invalid, 4322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 4278 Invalid, 12 Unknown, 0 Unchecked, 62.2s Time] [2021-11-21 02:09:03,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17614 states. [2021-11-21 02:09:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17614 to 17598. [2021-11-21 02:09:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17598 states, 11134 states have (on average 1.3439015627806719) internal successors, (14963), 11634 states have internal predecessors, (14963), 5793 states have call successors, (5793), 684 states have call predecessors, (5793), 669 states have return successors, (6161), 5495 states have call predecessors, (6161), 5793 states have call successors, (6161) [2021-11-21 02:09:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 26917 transitions. [2021-11-21 02:09:06,413 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 26917 transitions. Word has length 226 [2021-11-21 02:09:06,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:09:06,414 INFO L470 AbstractCegarLoop]: Abstraction has 17598 states and 26917 transitions. [2021-11-21 02:09:06,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-21 02:09:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 26917 transitions. [2021-11-21 02:09:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-21 02:09:06,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:09:06,478 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 02:09:06,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 02:09:06,478 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:09:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:09:06,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1843043493, now seen corresponding path program 1 times [2021-11-21 02:09:06,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:09:06,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633621556] [2021-11-21 02:09:06,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:09:06,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:09:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:09:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-21 02:09:08,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:09:08,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633621556] [2021-11-21 02:09:08,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633621556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:09:08,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:09:08,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 02:09:08,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626396283] [2021-11-21 02:09:08,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:09:08,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 02:09:08,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:09:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 02:09:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-21 02:09:08,603 INFO L87 Difference]: Start difference. First operand 17598 states and 26917 transitions. Second operand has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-21 02:09:11,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:13,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:22,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:27,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:30,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:34,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:41,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:09:57,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:04,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:06,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:22,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:24,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:26,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:33,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:45,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:48,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:51,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:54,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:57,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:10:59,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:04,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:12,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:14,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:11:20,245 INFO L93 Difference]: Finished difference Result 22992 states and 35066 transitions. [2021-11-21 02:11:20,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 02:11:20,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) Word has length 235 [2021-11-21 02:11:20,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:11:20,364 INFO L225 Difference]: With dead ends: 22992 [2021-11-21 02:11:20,364 INFO L226 Difference]: Without dead ends: 22990 [2021-11-21 02:11:20,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-21 02:11:20,377 INFO L933 BasicCegarLoop]: 10322 mSDtfsCounter, 12065 mSDsluCounter, 50691 mSDsCounter, 0 mSdLazyCounter, 13940 mSolverCounterSat, 62 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12108 SdHoareTripleChecker+Valid, 56500 SdHoareTripleChecker+Invalid, 14018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 13940 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.3s IncrementalHoareTripleChecker+Time [2021-11-21 02:11:20,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12108 Valid, 56500 Invalid, 14018 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [62 Valid, 13940 Invalid, 16 Unknown, 0 Unchecked, 128.3s Time] [2021-11-21 02:11:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22990 states. [2021-11-21 02:11:22,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22990 to 22959. [2021-11-21 02:11:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22959 states, 14495 states have (on average 1.3432218006209038) internal successors, (19470), 15149 states have internal predecessors, (19470), 7567 states have call successors, (7567), 915 states have call predecessors, (7567), 895 states have return successors, (7999), 7170 states have call predecessors, (7999), 7567 states have call successors, (7999) [2021-11-21 02:11:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 35036 transitions. [2021-11-21 02:11:22,932 INFO L78 Accepts]: Start accepts. Automaton has 22959 states and 35036 transitions. Word has length 235 [2021-11-21 02:11:22,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:11:22,933 INFO L470 AbstractCegarLoop]: Abstraction has 22959 states and 35036 transitions. [2021-11-21 02:11:22,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-21 02:11:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 22959 states and 35036 transitions. [2021-11-21 02:11:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-21 02:11:22,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:11:22,977 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 02:11:22,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 02:11:22,978 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 02:11:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:11:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash 871945344, now seen corresponding path program 1 times [2021-11-21 02:11:22,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:11:22,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755299827] [2021-11-21 02:11:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:11:22,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:11:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:11:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2021-11-21 02:11:24,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:11:24,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755299827] [2021-11-21 02:11:24,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755299827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 02:11:24,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548814559] [2021-11-21 02:11:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:11:24,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:11:24,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:11:24,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:11:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2464f5c9-e62d-4800-a832-eff1462181b0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 02:11:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:11:29,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 17215 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 02:11:29,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:11:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-21 02:11:30,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 02:11:30,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548814559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:11:30,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 02:11:30,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2021-11-21 02:11:30,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747743365] [2021-11-21 02:11:30,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:11:30,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-21 02:11:30,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:11:30,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-21 02:11:30,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-21 02:11:30,302 INFO L87 Difference]: Start difference. First operand 22959 states and 35036 transitions. Second operand has 9 states, 6 states have (on average 23.166666666666668) internal successors, (139), 9 states have internal predecessors, (139), 5 states have call successors, (55), 2 states have call predecessors, (55), 5 states have return successors, (53), 5 states have call predecessors, (53), 5 states have call successors, (53) [2021-11-21 02:11:32,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:35,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:45,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:48,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:51,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:11:59,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:12:01,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 02:12:05,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:07,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:10,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:11,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:13,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:14,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:15,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:17,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:19,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:21,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:26,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:28,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:30,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:38,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:41,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:43,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 02:12:45,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:12:45,841 INFO L93 Difference]: Finished difference Result 51250 states and 78716 transitions. [2021-11-21 02:12:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 02:12:45,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 23.166666666666668) internal successors, (139), 9 states have internal predecessors, (139), 5 states have call successors, (55), 2 states have call predecessors, (55), 5 states have return successors, (53), 5 states have call predecessors, (53), 5 states have call successors, (53) Word has length 293 [2021-11-21 02:12:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:12:45,978 INFO L225 Difference]: With dead ends: 51250 [2021-11-21 02:12:45,978 INFO L226 Difference]: Without dead ends: 28606 [2021-11-21 02:12:46,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-21 02:12:46,081 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 754 mSDsluCounter, 36685 mSDsCounter, 0 mSdLazyCounter, 3971 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 38360 SdHoareTripleChecker+Invalid, 3985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3971 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.4s IncrementalHoareTripleChecker+Time [2021-11-21 02:12:46,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1043 Valid, 38360 Invalid, 3985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3971 Invalid, 13 Unknown, 0 Unchecked, 73.4s Time] [2021-11-21 02:12:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28606 states.