./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:02:06,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:02:06,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:02:06,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:02:06,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:02:06,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:02:06,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:02:06,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:02:06,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:02:06,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:02:06,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:02:06,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:02:06,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:02:06,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:02:06,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:02:06,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:02:06,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:02:06,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:02:06,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:02:06,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:02:06,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:02:06,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:02:06,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:02:06,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:02:06,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:02:06,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:02:06,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:02:06,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:02:06,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:02:06,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:02:06,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:02:06,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:02:06,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:02:06,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:02:06,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:02:06,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:02:06,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:02:06,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:02:06,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:02:06,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:02:06,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:02:06,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:02:06,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:02:06,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:02:06,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:02:06,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:02:06,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:02:06,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:02:06,947 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:02:06,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:02:06,947 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:02:06,948 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:02:06,948 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:02:06,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:02:06,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:02:06,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:02:06,949 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:02:06,949 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:02:06,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:02:06,950 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:02:06,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:02:06,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:02:06,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:02:06,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:02:06,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:02:06,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:02:06,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:02:06,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:02:06,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:02:06,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:02:06,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:02:06,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:02:06,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:02:06,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:02:06,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:02:06,955 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:02:06,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:02:06,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:02:06,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:02:06,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:02:06,956 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_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2021-11-23 02:02:07,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:02:07,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:02:07,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:02:07,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:02:07,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:02:07,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:02:07,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/data/0c1036244/fa56ba10fc4d4a089046cd7f66d99e8b/FLAG2a9824ace [2021-11-23 02:02:08,547 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:02:08,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:02:08,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/data/0c1036244/fa56ba10fc4d4a089046cd7f66d99e8b/FLAG2a9824ace [2021-11-23 02:02:08,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/data/0c1036244/fa56ba10fc4d4a089046cd7f66d99e8b [2021-11-23 02:02:08,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:02:08,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:02:08,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:02:08,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:02:08,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:02:08,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:02:08" (1/1) ... [2021-11-23 02:02:08,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6f76d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:08, skipping insertion in model container [2021-11-23 02:02:08,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:02:08" (1/1) ... [2021-11-23 02:02:08,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:02:08,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:02:10,376 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_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-11-23 02:02:16,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:02:16,995 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:02:17,231 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_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-11-23 02:02:17,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:02:18,233 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:02:18,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18 WrapperNode [2021-11-23 02:02:18,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:02:18,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:02:18,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:02:18,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:02:18,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:18,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:18,953 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13076 [2021-11-23 02:02:18,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:02:18,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:02:18,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:02:18,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:02:18,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:18,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:02:19,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:02:19,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:02:19,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:02:19,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (1/1) ... [2021-11-23 02:02:19,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:02:19,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:02:19,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:02:19,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e62d94f1-784e-48dc-a6f9-79c02ca9be3a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:02:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-11-23 02:02:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-11-23 02:02:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-11-23 02:02:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-11-23 02:02:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 02:02:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 02:02:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-11-23 02:02:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-11-23 02:02:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-11-23 02:02:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-11-23 02:02:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-11-23 02:02:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-11-23 02:02:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 02:02:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 02:02:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-11-23 02:02:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-11-23 02:02:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-23 02:02:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-23 02:02:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-11-23 02:02:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-11-23 02:02:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-11-23 02:02:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-11-23 02:02:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 02:02:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 02:02:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-11-23 02:02:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-11-23 02:02:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:02:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:02:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-11-23 02:02:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-11-23 02:02:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-11-23 02:02:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-11-23 02:02:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-11-23 02:02:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-11-23 02:02:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 02:02:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 02:02:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-11-23 02:02:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-11-23 02:02:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-11-23 02:02:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-11-23 02:02:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-11-23 02:02:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-11-23 02:02:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-11-23 02:02:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-11-23 02:02:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-11-23 02:02:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-11-23 02:02:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:02:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:02:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-11-23 02:02:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-11-23 02:02:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-11-23 02:02:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-11-23 02:02:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-11-23 02:02:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-11-23 02:02:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-11-23 02:02:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-11-23 02:02:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-11-23 02:02:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-11-23 02:02:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-11-23 02:02:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-11-23 02:02:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-11-23 02:02:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-11-23 02:02:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:02:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:02:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-11-23 02:02:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-11-23 02:02:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-11-23 02:02:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-11-23 02:02:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-11-23 02:02:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-11-23 02:02:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-11-23 02:02:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-11-23 02:02:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-11-23 02:02:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-11-23 02:02:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-11-23 02:02:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-11-23 02:02:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-11-23 02:02:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-11-23 02:02:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-23 02:02:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-11-23 02:02:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-11-23 02:02:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:02:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:02:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-11-23 02:02:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-11-23 02:02:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-11-23 02:02:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-11-23 02:02:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-11-23 02:02:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-11-23 02:02:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-11-23 02:02:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-11-23 02:02:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-11-23 02:02:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-11-23 02:02:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:02:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-11-23 02:02:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-11-23 02:02:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-11-23 02:02:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-11-23 02:02:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 02:02:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 02:02:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:02:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:02:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-11-23 02:02:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-11-23 02:02:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-23 02:02:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-23 02:02:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-11-23 02:02:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-11-23 02:02:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-11-23 02:02:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-11-23 02:02:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:02:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:02:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-11-23 02:02:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-11-23 02:02:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:02:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:02:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-11-23 02:02:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-11-23 02:02:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-11-23 02:02:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-11-23 02:02:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:02:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 02:02:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 02:02:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-11-23 02:02:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-11-23 02:02:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-11-23 02:02:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-11-23 02:02:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-11-23 02:02:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-11-23 02:02:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:02:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:02:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:02:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2021-11-23 02:02:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2021-11-23 02:02:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-11-23 02:02:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-11-23 02:02:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 02:02:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 02:02:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-11-23 02:02:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-11-23 02:02:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:02:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 02:02:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 02:02:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:02:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:02:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-23 02:02:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-23 02:02:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-11-23 02:02:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-11-23 02:02:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-11-23 02:02:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-11-23 02:02:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 02:02:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 02:02:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 02:02:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 02:02:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 02:02:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 02:02:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-11-23 02:02:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-11-23 02:02:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-23 02:02:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-23 02:02:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-11-23 02:02:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-11-23 02:02:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-11-23 02:02:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-11-23 02:02:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-11-23 02:02:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-11-23 02:02:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:02:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:02:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-11-23 02:02:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-11-23 02:02:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-11-23 02:02:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-11-23 02:02:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-11-23 02:02:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-11-23 02:02:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-23 02:02:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 02:02:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 02:02:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-11-23 02:02:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-11-23 02:02:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:02:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 02:02:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 02:02:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 02:02:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 02:02:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-11-23 02:02:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-11-23 02:02:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:02:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-11-23 02:02:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-11-23 02:02:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-23 02:02:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-23 02:02:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-11-23 02:02:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-11-23 02:02:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 02:02:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 02:02:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:02:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:02:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-11-23 02:02:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-11-23 02:02:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:02:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:02:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-23 02:02:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-23 02:02:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-11-23 02:02:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-11-23 02:02:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 02:02:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 02:02:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 02:02:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 02:02:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-11-23 02:02:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-11-23 02:02:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-11-23 02:02:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-11-23 02:02:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:02:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:02:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 02:02:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 02:02:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-11-23 02:02:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-11-23 02:02:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 02:02:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 02:02:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:02:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:02:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:02:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:02:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-23 02:02:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-23 02:02:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-11-23 02:02:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-11-23 02:02:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-11-23 02:02:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-11-23 02:02:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-11-23 02:02:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-11-23 02:02:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:02:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:02:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-11-23 02:02:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-11-23 02:02:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-11-23 02:02:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-11-23 02:02:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:02:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:02:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:02:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:02:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-11-23 02:02:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-11-23 02:02:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 02:02:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 02:02:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:02:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:02:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-23 02:02:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-23 02:02:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-11-23 02:02:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-11-23 02:02:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:02:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:02:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-11-23 02:02:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-11-23 02:02:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:02:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:02:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-11-23 02:02:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-11-23 02:02:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-11-23 02:02:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-11-23 02:02:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-11-23 02:02:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-11-23 02:02:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 02:02:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 02:02:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-11-23 02:02:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-11-23 02:02:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:02:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:02:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:02:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:02:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:02:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:02:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-11-23 02:02:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-11-23 02:02:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 02:02:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 02:02:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 02:02:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 02:02:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 02:02:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 02:02:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-11-23 02:02:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-11-23 02:02:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-11-23 02:02:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-11-23 02:02:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-11-23 02:02:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-11-23 02:02:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-11-23 02:02:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-11-23 02:02:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-11-23 02:02:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-11-23 02:02:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-11-23 02:02:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-11-23 02:02:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-11-23 02:02:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-11-23 02:02:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:02:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:02:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-23 02:02:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-23 02:02:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 02:02:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 02:02:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:02:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:02:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-23 02:02:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-23 02:02:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:02:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:02:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-11-23 02:02:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-11-23 02:02:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:02:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:02:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-11-23 02:02:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-11-23 02:02:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:02:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:02:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:02:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:02:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-23 02:02:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-23 02:02:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-23 02:02:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-23 02:02:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-11-23 02:02:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-11-23 02:02:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-11-23 02:02:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-11-23 02:02:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-23 02:02:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-23 02:02:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-11-23 02:02:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-11-23 02:02:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-11-23 02:02:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-11-23 02:02:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-23 02:02:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-23 02:02:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-11-23 02:02:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-11-23 02:02:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-11-23 02:02:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-11-23 02:02:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:02:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:02:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:02:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-11-23 02:02:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-11-23 02:02:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:02:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 02:02:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 02:02:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 02:02:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 02:02:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-23 02:02:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-23 02:02:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-11-23 02:02:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-11-23 02:02:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-11-23 02:02:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-11-23 02:02:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-23 02:02:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-23 02:02:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-11-23 02:02:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-11-23 02:02:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-11-23 02:02:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-11-23 02:02:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:02:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-11-23 02:02:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-11-23 02:02:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-11-23 02:02:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-11-23 02:02:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-11-23 02:02:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-11-23 02:02:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-11-23 02:02:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-11-23 02:02:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:02:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:02:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 02:02:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 02:02:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:02:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:02:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-11-23 02:02:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-11-23 02:02:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:02:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:02:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:02:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:02:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-23 02:02:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-23 02:02:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 02:02:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 02:02:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:02:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:02:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-23 02:02:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-23 02:02:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-11-23 02:02:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-11-23 02:02:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 02:02:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 02:02:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:02:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:02:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-11-23 02:02:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-11-23 02:02:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 02:02:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 02:02:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 02:02:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 02:02:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:02:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:02:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 02:02:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 02:02:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:02:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:02:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-11-23 02:02:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-11-23 02:02:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:02:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:02:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-11-23 02:02:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-11-23 02:02:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-23 02:02:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-23 02:02:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2021-11-23 02:02:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2021-11-23 02:02:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 02:02:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 02:02:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:02:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:02:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-23 02:02:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-23 02:02:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-11-23 02:02:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-11-23 02:02:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-23 02:02:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-23 02:02:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-11-23 02:02:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-11-23 02:02:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 02:02:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 02:02:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:02:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-11-23 02:02:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-11-23 02:02:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 02:02:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 02:02:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:02:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:02:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-11-23 02:02:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-11-23 02:02:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-23 02:02:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-23 02:02:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:02:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:02:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:02:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:02:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-23 02:02:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-23 02:02:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-11-23 02:02:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-11-23 02:02:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 02:02:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 02:02:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-11-23 02:02:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-11-23 02:02:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-11-23 02:02:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-11-23 02:02:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-11-23 02:02:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-11-23 02:02:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-11-23 02:02:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-11-23 02:02:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:02:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:02:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-23 02:02:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-23 02:02:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-23 02:02:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-23 02:02:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-11-23 02:02:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-11-23 02:02:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-11-23 02:02:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-11-23 02:02:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2021-11-23 02:02:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2021-11-23 02:02:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-23 02:02:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-23 02:02:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-11-23 02:02:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-11-23 02:02:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-11-23 02:02:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-11-23 02:02:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-11-23 02:02:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-11-23 02:02:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:02:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:02:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:02:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:02:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-23 02:02:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-23 02:02:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-11-23 02:02:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-11-23 02:02:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 02:02:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 02:02:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-11-23 02:02:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-11-23 02:02:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:02:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-11-23 02:02:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-11-23 02:02:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-11-23 02:02:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-11-23 02:02:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-11-23 02:02:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-11-23 02:02:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-11-23 02:02:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-11-23 02:02:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-11-23 02:02:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-11-23 02:02:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-11-23 02:02:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-11-23 02:02:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-23 02:02:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-23 02:02:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-23 02:02:22,120 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:02:22,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:02:23,117 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:02:38,909 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:02:43,933 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:02:43,934 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:02:43,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:43 BoogieIcfgContainer [2021-11-23 02:02:43,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:02:43,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:02:43,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:02:43,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:02:43,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:02:08" (1/3) ... [2021-11-23 02:02:43,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747342f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:43, skipping insertion in model container [2021-11-23 02:02:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:02:18" (2/3) ... [2021-11-23 02:02:43,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747342f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:43, skipping insertion in model container [2021-11-23 02:02:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:43" (3/3) ... [2021-11-23 02:02:43,955 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:02:43,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:02:43,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:02:44,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:02:44,048 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 [2021-11-23 02:02:44,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:02:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-11-23 02:02:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 02:02:44,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:44,173 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:02:44,174 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:44,181 INFO L85 PathProgramCache]: Analyzing trace with hash 597357711, now seen corresponding path program 1 times [2021-11-23 02:02:44,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:44,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644649726] [2021-11-23 02:02:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:44,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:02:45,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:45,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644649726] [2021-11-23 02:02:45,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644649726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:45,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:02:45,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:02:45,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105680132] [2021-11-23 02:02:45,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:45,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:02:45,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:45,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:02:45,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:02:45,479 INFO L87 Difference]: Start difference. First operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:02:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:02:52,643 INFO L93 Difference]: Finished difference Result 10653 states and 15903 transitions. [2021-11-23 02:02:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:02:52,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-23 02:02:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:02:52,757 INFO L225 Difference]: With dead ends: 10653 [2021-11-23 02:02:52,757 INFO L226 Difference]: Without dead ends: 7050 [2021-11-23 02:02:52,815 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 [2021-11-23 02:02:52,819 INFO L933 BasicCegarLoop]: 5931 mSDtfsCounter, 5101 mSDsluCounter, 5178 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 10639 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:02:52,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5101 Valid, 10639 Invalid, 966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-23 02:02:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7050 states. [2021-11-23 02:02:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7050 to 7050. [2021-11-23 02:02:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 4119 states have (on average 1.298373391599903) internal successors, (5348), 4303 states have internal predecessors, (5348), 2444 states have call successors, (2444), 487 states have call predecessors, (2444), 486 states have return successors, (2443), 2389 states have call predecessors, (2443), 2443 states have call successors, (2443) [2021-11-23 02:02:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 10235 transitions. [2021-11-23 02:02:53,638 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 10235 transitions. Word has length 32 [2021-11-23 02:02:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:02:53,639 INFO L470 AbstractCegarLoop]: Abstraction has 7050 states and 10235 transitions. [2021-11-23 02:02:53,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:02:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 10235 transitions. [2021-11-23 02:02:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:02:53,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:53,656 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:53,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:02:53,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:53,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1678324099, now seen corresponding path program 1 times [2021-11-23 02:02:53,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:53,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204444271] [2021-11-23 02:02:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:53,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:02:54,553 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:54,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204444271] [2021-11-23 02:02:54,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204444271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:54,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:02:54,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:02:54,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387733626] [2021-11-23 02:02:54,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:54,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:02:54,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:54,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:02:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:02:54,561 INFO L87 Difference]: Start difference. First operand 7050 states and 10235 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 02:03:03,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:03,887 INFO L93 Difference]: Finished difference Result 14095 states and 20861 transitions. [2021-11-23 02:03:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:03:03,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2021-11-23 02:03:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:04,059 INFO L225 Difference]: With dead ends: 14095 [2021-11-23 02:03:04,059 INFO L226 Difference]: Without dead ends: 14090 [2021-11-23 02:03:04,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:03:04,072 INFO L933 BasicCegarLoop]: 6428 mSDtfsCounter, 5132 mSDsluCounter, 12290 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 17729 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:04,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5132 Valid, 17729 Invalid, 1541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2021-11-23 02:03:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14090 states. [2021-11-23 02:03:04,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14090 to 14082. [2021-11-23 02:03:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14082 states, 8224 states have (on average 1.2983949416342413) internal successors, (10678), 8592 states have internal predecessors, (10678), 4885 states have call successors, (4885), 973 states have call predecessors, (4885), 972 states have return successors, (5282), 4776 states have call predecessors, (5282), 4884 states have call successors, (5282) [2021-11-23 02:03:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14082 states to 14082 states and 20845 transitions. [2021-11-23 02:03:05,004 INFO L78 Accepts]: Start accepts. Automaton has 14082 states and 20845 transitions. Word has length 40 [2021-11-23 02:03:05,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:05,004 INFO L470 AbstractCegarLoop]: Abstraction has 14082 states and 20845 transitions. [2021-11-23 02:03:05,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 02:03:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 14082 states and 20845 transitions. [2021-11-23 02:03:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 02:03:05,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:05,032 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-23 02:03:05,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:03:05,032 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1968432147, now seen corresponding path program 1 times [2021-11-23 02:03:05,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:05,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921193881] [2021-11-23 02:03:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:05,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 02:03:05,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:05,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921193881] [2021-11-23 02:03:05,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921193881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:05,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:05,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:05,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824610497] [2021-11-23 02:03:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:05,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:05,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:05,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:05,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:05,615 INFO L87 Difference]: Start difference. First operand 14082 states and 20845 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 02:03:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:13,475 INFO L93 Difference]: Finished difference Result 42016 states and 62181 transitions. [2021-11-23 02:03:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:13,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2021-11-23 02:03:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:13,788 INFO L225 Difference]: With dead ends: 42016 [2021-11-23 02:03:13,789 INFO L226 Difference]: Without dead ends: 27939 [2021-11-23 02:03:13,961 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 [2021-11-23 02:03:13,969 INFO L933 BasicCegarLoop]: 5889 mSDtfsCounter, 5047 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 10558 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:13,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5047 Valid, 10558 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-11-23 02:03:14,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27939 states. [2021-11-23 02:03:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27939 to 27932. [2021-11-23 02:03:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27932 states, 16306 states have (on average 1.2987857230467312) internal successors, (21178), 17044 states have internal predecessors, (21178), 9681 states have call successors, (9681), 1945 states have call predecessors, (9681), 1944 states have return successors, (10474), 9462 states have call predecessors, (10474), 9680 states have call successors, (10474) [2021-11-23 02:03:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27932 states to 27932 states and 41333 transitions. [2021-11-23 02:03:16,111 INFO L78 Accepts]: Start accepts. Automaton has 27932 states and 41333 transitions. Word has length 129 [2021-11-23 02:03:16,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:16,113 INFO L470 AbstractCegarLoop]: Abstraction has 27932 states and 41333 transitions. [2021-11-23 02:03:16,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 02:03:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 27932 states and 41333 transitions. [2021-11-23 02:03:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 02:03:16,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:16,356 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-23 02:03:16,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:03:16,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash 742942618, now seen corresponding path program 1 times [2021-11-23 02:03:16,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:16,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713520422] [2021-11-23 02:03:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:16,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 02:03:16,889 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:16,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713520422] [2021-11-23 02:03:16,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713520422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:16,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:16,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:16,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351277796] [2021-11-23 02:03:16,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:16,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:16,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:16,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:16,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:16,894 INFO L87 Difference]: Start difference. First operand 27932 states and 41333 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 02:03:18,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:23,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:27,753 INFO L93 Difference]: Finished difference Result 83288 states and 123249 transitions. [2021-11-23 02:03:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:27,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2021-11-23 02:03:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:28,283 INFO L225 Difference]: With dead ends: 83288 [2021-11-23 02:03:28,283 INFO L226 Difference]: Without dead ends: 55361 [2021-11-23 02:03:28,628 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 [2021-11-23 02:03:28,629 INFO L933 BasicCegarLoop]: 6477 mSDtfsCounter, 5016 mSDsluCounter, 5137 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 11145 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:28,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5016 Valid, 11145 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1022 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-23 02:03:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55361 states. [2021-11-23 02:03:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55361 to 55352. [2021-11-23 02:03:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55352 states, 32290 states have (on average 1.298792195726231) internal successors, (41938), 33768 states have internal predecessors, (41938), 19205 states have call successors, (19205), 3857 states have call predecessors, (19205), 3856 states have return successors, (20764), 18766 states have call predecessors, (20764), 19204 states have call successors, (20764) [2021-11-23 02:03:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55352 states to 55352 states and 81907 transitions. [2021-11-23 02:03:33,262 INFO L78 Accepts]: Start accepts. Automaton has 55352 states and 81907 transitions. Word has length 133 [2021-11-23 02:03:33,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:33,263 INFO L470 AbstractCegarLoop]: Abstraction has 55352 states and 81907 transitions. [2021-11-23 02:03:33,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 02:03:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 55352 states and 81907 transitions. [2021-11-23 02:03:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 02:03:33,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:33,285 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-23 02:03:33,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:03:33,286 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:33,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:33,287 INFO L85 PathProgramCache]: Analyzing trace with hash -562938896, now seen corresponding path program 1 times [2021-11-23 02:03:33,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:33,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821716436] [2021-11-23 02:03:33,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:33,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 02:03:33,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:33,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821716436] [2021-11-23 02:03:33,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821716436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:33,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:33,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:33,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784737593] [2021-11-23 02:03:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:33,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:33,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:33,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:33,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:33,844 INFO L87 Difference]: Start difference. First operand 55352 states and 81907 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 02:03:39,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:41,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:49,209 INFO L93 Difference]: Finished difference Result 165172 states and 244403 transitions. [2021-11-23 02:03:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:49,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 132 [2021-11-23 02:03:49,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:50,199 INFO L225 Difference]: With dead ends: 165172 [2021-11-23 02:03:50,199 INFO L226 Difference]: Without dead ends: 109825 [2021-11-23 02:03:50,794 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 [2021-11-23 02:03:50,796 INFO L933 BasicCegarLoop]: 6667 mSDtfsCounter, 5021 mSDsluCounter, 5137 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:50,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 11336 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1044 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-11-23 02:03:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109825 states. [2021-11-23 02:03:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109825 to 109816. [2021-11-23 02:03:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109816 states, 64038 states have (on average 1.2990724257472126) internal successors, (83190), 66996 states have internal predecessors, (83190), 38065 states have call successors, (38065), 7713 states have call predecessors, (38065), 7712 states have return successors, (41224), 37186 states have call predecessors, (41224), 38064 states have call successors, (41224) [2021-11-23 02:03:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109816 states to 109816 states and 162479 transitions. [2021-11-23 02:03:57,992 INFO L78 Accepts]: Start accepts. Automaton has 109816 states and 162479 transitions. Word has length 132 [2021-11-23 02:03:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:57,993 INFO L470 AbstractCegarLoop]: Abstraction has 109816 states and 162479 transitions. [2021-11-23 02:03:57,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 02:03:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 109816 states and 162479 transitions. [2021-11-23 02:03:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 02:03:58,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:58,014 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-23 02:03:58,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:03:58,014 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:58,015 INFO L85 PathProgramCache]: Analyzing trace with hash 203572550, now seen corresponding path program 1 times [2021-11-23 02:03:58,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:58,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710780189] [2021-11-23 02:03:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:58,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 02:03:58,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:58,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710780189] [2021-11-23 02:03:58,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710780189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:58,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:58,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:58,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979908914] [2021-11-23 02:03:58,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:58,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:58,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:58,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:58,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:58,508 INFO L87 Difference]: Start difference. First operand 109816 states and 162479 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 02:04:00,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:04:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:14,177 INFO L93 Difference]: Finished difference Result 328186 states and 485465 transitions. [2021-11-23 02:04:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:04:14,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 128 [2021-11-23 02:04:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:16,486 INFO L225 Difference]: With dead ends: 328186 [2021-11-23 02:04:16,486 INFO L226 Difference]: Without dead ends: 218375 [2021-11-23 02:04:17,152 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 [2021-11-23 02:04:17,153 INFO L933 BasicCegarLoop]: 6815 mSDtfsCounter, 5063 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 11484 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:17,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5063 Valid, 11484 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-23 02:04:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218375 states.