./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/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 0dcc3c8ee4f0ae2f0cd3b1f7bcded85c719804cb09b4370c1091b6627a94f1b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:26:32,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:26:32,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:26:32,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:26:32,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:26:32,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:26:32,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:26:32,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:26:32,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:26:32,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:26:32,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:26:32,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:26:32,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:26:32,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:26:32,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:26:32,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:26:32,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:26:32,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:26:32,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:26:32,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:26:32,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:26:32,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:26:32,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:26:32,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:26:32,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:26:32,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:26:32,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:26:32,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:26:32,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:26:32,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:26:32,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:26:32,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:26:32,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:26:32,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:26:32,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:26:32,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:26:32,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:26:32,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:26:32,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:26:32,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:26:32,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:26:32,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:26:33,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:26:33,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:26:33,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:26:33,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:26:33,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:26:33,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:26:33,024 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:26:33,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:26:33,024 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:26:33,025 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:26:33,026 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:26:33,026 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:26:33,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:26:33,027 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:26:33,027 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:26:33,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:26:33,028 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:26:33,028 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:26:33,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:26:33,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:26:33,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:26:33,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:26:33,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:26:33,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:26:33,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:26:33,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:26:33,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:26:33,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:26:33,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:26:33,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:26:33,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:26:33,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:26:33,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:26:33,035 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:26:33,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:26:33,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:26:33,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:26:33,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:26:33,036 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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc3c8ee4f0ae2f0cd3b1f7bcded85c719804cb09b4370c1091b6627a94f1b1 [2021-11-23 03:26:33,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:26:33,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:26:33,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:26:33,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:26:33,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:26:33,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 03:26:33,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/data/bcca88655/eeff35463e374e32a30b58e164d2213a/FLAG6279f8206 [2021-11-23 03:26:34,580 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:26:34,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 03:26:34,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/data/bcca88655/eeff35463e374e32a30b58e164d2213a/FLAG6279f8206 [2021-11-23 03:26:34,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/data/bcca88655/eeff35463e374e32a30b58e164d2213a [2021-11-23 03:26:34,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:26:34,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:26:34,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:26:34,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:26:34,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:26:34,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:34" (1/1) ... [2021-11-23 03:26:34,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69abcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34, skipping insertion in model container [2021-11-23 03:26:34,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:34" (1/1) ... [2021-11-23 03:26:34,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:26:35,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:26:44,716 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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i[724020,724033] [2021-11-23 03:26:44,826 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 03:26:44,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:26:44,970 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:26:46,714 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_262510bf-e0e6-4c6f-a150-0f9581fdd5df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i[724020,724033] [2021-11-23 03:26:46,722 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 03:26:46,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:26:47,328 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:26:47,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47 WrapperNode [2021-11-23 03:26:47,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:26:47,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:26:47,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:26:47,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:26:47,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:47,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:48,203 INFO L137 Inliner]: procedures = 851, calls = 8717, calls flagged for inlining = 338, calls inlined = 331, statements flattened = 17449 [2021-11-23 03:26:48,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:26:48,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:26:48,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:26:48,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:26:48,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:48,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:48,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:48,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:49,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:49,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:49,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:49,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:26:49,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:26:49,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:26:49,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:26:49,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (1/1) ... [2021-11-23 03:26:49,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:26:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:26:49,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:26:49,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:26:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_serdes_complete_ratechange [2021-11-23 03:26:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_serdes_complete_ratechange [2021-11-23 03:26:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dcb_ieee_getpfc [2021-11-23 03:26:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dcb_ieee_getpfc [2021-11-23 03:26:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_all_multicast_mode [2021-11-23 03:26:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_all_multicast_mode [2021-11-23 03:26:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rx_coalesce [2021-11-23 03:26:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rx_coalesce [2021-11-23 03:26:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_pcs_power_cycle [2021-11-23 03:26:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_pcs_power_cycle [2021-11-23 03:26:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:26:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:26:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:26:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:26:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 03:26:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 03:26:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 03:26:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 03:26:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_ts_info [2021-11-23 03:26:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_ts_info [2021-11-23 03:26:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_free_channels [2021-11-23 03:26:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_free_channels [2021-11-23 03:26:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rx_vlan_stripping [2021-11-23 03:26:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rx_vlan_stripping [2021-11-23 03:26:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:26:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:26:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_mmc_read [2021-11-23 03:26:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_mmc_read [2021-11-23 03:26:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_avail_desc [2021-11-23 03:26:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_avail_desc [2021-11-23 03:26:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_an [2021-11-23 03:26:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_an [2021-11-23 03:26:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rx_tx_ints [2021-11-23 03:26:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rx_tx_ints [2021-11-23 03:26:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_state_as_string [2021-11-23 03:26:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_state_as_string [2021-11-23 03:26:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:26:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:26:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_unmap_rdata [2021-11-23 03:26:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_unmap_rdata [2021-11-23 03:26:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_free_ring_resources [2021-11-23 03:26:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_free_ring_resources [2021-11-23 03:26:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_maybe_stop_tx_queue [2021-11-23 03:26:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_maybe_stop_tx_queue [2021-11-23 03:26:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_start [2021-11-23 03:26:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_start [2021-11-23 03:26:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-23 03:26:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-23 03:26:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-23 03:26:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-23 03:26:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rss [2021-11-23 03:26:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rss [2021-11-23 03:26:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_incompat_link [2021-11-23 03:26:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_incompat_link [2021-11-23 03:26:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-23 03:26:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-23 03:26:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_rx_mode [2021-11-23 03:26:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_rx_mode [2021-11-23 03:26:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_setup_tc [2021-11-23 03:26:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_setup_tc [2021-11-23 03:26:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:26:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:26:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_map_rx_buffer [2021-11-23 03:26:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_map_rx_buffer [2021-11-23 03:26:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:26:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_resume [2021-11-23 03:26:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_resume [2021-11-23 03:26:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_7 [2021-11-23 03:26:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_7 [2021-11-23 03:26:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 03:26:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 03:26:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-23 03:26:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-23 03:26:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_reg_value_write [2021-11-23 03:26:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_reg_value_write [2021-11-23 03:26:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 03:26:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 03:26:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_wrapper_tx_descriptor_init [2021-11-23 03:26:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_wrapper_tx_descriptor_init [2021-11-23 03:26:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_stop [2021-11-23 03:26:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_stop [2021-11-23 03:26:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_ioctl [2021-11-23 03:26:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_ioctl [2021-11-23 03:26:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_coalesce [2021-11-23 03:26:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_coalesce [2021-11-23 03:26:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_powerup [2021-11-23 03:26:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_powerup [2021-11-23 03:26:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_init [2021-11-23 03:26:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_init [2021-11-23 03:26:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_update_tstamp_addend [2021-11-23 03:26:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_update_tstamp_addend [2021-11-23 03:26:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-23 03:26:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-23 03:26:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_dcb_pfc [2021-11-23 03:26:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_dcb_pfc [2021-11-23 03:26:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2021-11-23 03:26:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2021-11-23 03:26:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 03:26:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 03:26:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:26:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u64~0 [2021-11-23 03:26:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u64~0 [2021-11-23 03:26:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_remove [2021-11-23 03:26:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_remove [2021-11-23 03:26:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-23 03:26:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-23 03:26:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-23 03:26:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_7 [2021-11-23 03:26:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_7 [2021-11-23 03:26:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:26:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rsf_mode [2021-11-23 03:26:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rsf_mode [2021-11-23 03:26:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:26:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:26:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:26:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-23 03:26:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-23 03:26:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 03:26:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 03:26:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mode [2021-11-23 03:26:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mode [2021-11-23 03:26:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_change_mtu [2021-11-23 03:26:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_change_mtu [2021-11-23 03:26:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:26:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:26:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_poll [2021-11-23 03:26:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_poll [2021-11-23 03:26:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_resource_count [2021-11-23 03:26:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_resource_count [2021-11-23 03:26:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init_ring [2021-11-23 03:26:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init_ring [2021-11-23 03:26:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-23 03:26:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-23 03:26:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_config_fixed [2021-11-23 03:26:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_config_fixed [2021-11-23 03:26:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_tx_training [2021-11-23 03:26:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_tx_training [2021-11-23 03:26:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-23 03:26:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-23 03:26:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_write_rss_hash_key [2021-11-23 03:26:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_write_rss_hash_key [2021-11-23 03:26:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:26:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:26:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-23 03:26:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-23 03:26:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_stop [2021-11-23 03:26:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_stop [2021-11-23 03:26:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_features [2021-11-23 03:26:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_features [2021-11-23 03:26:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:26:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:26:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_tstamp [2021-11-23 03:26:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_tstamp [2021-11-23 03:26:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_irq_work [2021-11-23 03:26:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_irq_work [2021-11-23 03:26:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2021-11-23 03:26:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2021-11-23 03:26:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:26:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:26:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure __xgbe_phy_config_aneg [2021-11-23 03:26:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __xgbe_phy_config_aneg [2021-11-23 03:26:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_status_aneg [2021-11-23 03:26:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_status_aneg [2021-11-23 03:26:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure device_property_read_u32_array [2021-11-23 03:26:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure device_property_read_u32_array [2021-11-23 03:26:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_powerdown [2021-11-23 03:26:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_powerdown [2021-11-23 03:26:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_xmit [2021-11-23 03:26:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_xmit [2021-11-23 03:26:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:26:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_common_write [2021-11-23 03:26:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_common_write [2021-11-23 03:26:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_check_link_timeout [2021-11-23 03:26:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_check_link_timeout [2021-11-23 03:26:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:26:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:26:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_restart [2021-11-23 03:26:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_restart [2021-11-23 03:26:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rx_flow_control [2021-11-23 03:26:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rx_flow_control [2021-11-23 03:26:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_close [2021-11-23 03:26:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_close [2021-11-23 03:26:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:26:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:26:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 03:26:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 03:26:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_calculate_per_queue_fifo [2021-11-23 03:26:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_calculate_per_queue_fifo [2021-11-23 03:26:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mac_address [2021-11-23 03:26:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mac_address [2021-11-23 03:26:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:26:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:26:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:26:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:26:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure xpcs_reg_value_write [2021-11-23 03:26:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xpcs_reg_value_write [2021-11-23 03:26:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_osp_mode [2021-11-23 03:26:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_osp_mode [2021-11-23 03:26:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:26:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:26:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_write_rss_lookup_table [2021-11-23 03:26:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_write_rss_lookup_table [2021-11-23 03:26:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_disable_kr_training [2021-11-23 03:26:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_disable_kr_training [2021-11-23 03:26:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 03:26:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 03:26:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_napi_enable [2021-11-23 03:26:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_napi_enable [2021-11-23 03:26:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-23 03:26:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-23 03:26:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_calc_rx_buf_size [2021-11-23 03:26:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_calc_rx_buf_size [2021-11-23 03:26:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:26:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:26:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:26:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_start [2021-11-23 03:26:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_start [2021-11-23 03:26:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2021-11-23 03:26:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2021-11-23 03:26:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:26:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-23 03:26:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-23 03:26:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_settings [2021-11-23 03:26:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_settings [2021-11-23 03:26:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-23 03:26:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-23 03:26:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_117 [2021-11-23 03:26:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_117 [2021-11-23 03:26:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_118 [2021-11-23 03:26:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_118 [2021-11-23 03:26:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-23 03:26:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-23 03:26:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_state_machine [2021-11-23 03:26:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_state_machine [2021-11-23 03:26:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_pauseparam [2021-11-23 03:26:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_pauseparam [2021-11-23 03:26:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_an_tx_xnp [2021-11-23 03:26:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_an_tx_xnp [2021-11-23 03:26:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_name [2021-11-23 03:26:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_name [2021-11-23 03:26:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_desc_reset [2021-11-23 03:26:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_desc_reset [2021-11-23 03:26:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 03:26:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 03:26:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:26:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:26:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 03:26:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 03:26:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 03:26:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 03:26:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mac_reg [2021-11-23 03:26:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mac_reg [2021-11-23 03:26:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_48 [2021-11-23 03:26:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_48 [2021-11-23 03:26:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:26:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:26:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_46 [2021-11-23 03:26:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_46 [2021-11-23 03:26:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rx_mode [2021-11-23 03:26:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rx_mode [2021-11-23 03:26:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_gmii_speed [2021-11-23 03:26:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_gmii_speed [2021-11-23 03:26:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:26:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:26:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_dcb_tc [2021-11-23 03:26:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_dcb_tc [2021-11-23 03:26:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_one_poll [2021-11-23 03:26:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_one_poll [2021-11-23 03:26:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rx_pbl_val [2021-11-23 03:26:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rx_pbl_val [2021-11-23 03:26:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 03:26:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 03:26:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_7 [2021-11-23 03:26:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_7 [2021-11-23 03:26:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure device_property_read_u32 [2021-11-23 03:26:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure device_property_read_u32 [2021-11-23 03:26:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dcb_ieee_setpfc [2021-11-23 03:26:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dcb_ieee_setpfc [2021-11-23 03:26:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-11-23 03:26:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-11-23 03:26:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:26:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:26:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_tx_threshold [2021-11-23 03:26:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_tx_threshold [2021-11-23 03:26:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-11-23 03:26:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-11-23 03:26:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work___0 [2021-11-23 03:26:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work___0 [2021-11-23 03:26:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:26:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rx_vlan_filtering [2021-11-23 03:26:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rx_vlan_filtering [2021-11-23 03:26:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-23 03:26:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-23 03:26:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_timeout [2021-11-23 03:26:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_timeout [2021-11-23 03:26:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:26:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:26:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2021-11-23 03:26:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2021-11-23 03:26:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rx_csum [2021-11-23 03:26:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rx_csum [2021-11-23 03:26:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dump_tx_desc [2021-11-23 03:26:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dump_tx_desc [2021-11-23 03:26:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-23 03:26:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-23 03:26:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_tx_flow_control [2021-11-23 03:26:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_tx_flow_control [2021-11-23 03:26:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_cur_mode [2021-11-23 03:26:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_cur_mode [2021-11-23 03:26:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_gmii_2500_speed [2021-11-23 03:26:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_gmii_2500_speed [2021-11-23 03:26:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rx_vlan_stripping [2021-11-23 03:26:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rx_vlan_stripping [2021-11-23 03:26:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_tsf_mode [2021-11-23 03:26:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_tsf_mode [2021-11-23 03:26:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dcb_ieee_setets [2021-11-23 03:26:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dcb_ieee_setets [2021-11-23 03:26:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-23 03:26:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-23 03:26:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-23 03:26:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-23 03:26:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:26:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:26:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_free_ring [2021-11-23 03:26:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_free_ring [2021-11-23 03:26:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_drvinfo [2021-11-23 03:26:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_drvinfo [2021-11-23 03:26:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-11-23 03:26:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-11-23 03:26:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-23 03:26:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-23 03:26:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_stop_timers [2021-11-23 03:26:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_stop_timers [2021-11-23 03:26:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_wrapper_rx_descriptor_init [2021-11-23 03:26:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_wrapper_rx_descriptor_init [2021-11-23 03:26:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rx_tx_ints [2021-11-23 03:26:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rx_tx_ints [2021-11-23 03:26:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 03:26:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 03:26:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 03:26:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 03:26:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_pblx8 [2021-11-23 03:26:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_pblx8 [2021-11-23 03:26:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_tx_coalesce [2021-11-23 03:26:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_tx_coalesce [2021-11-23 03:26:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure timecounter_cyc2time [2021-11-23 03:26:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure timecounter_cyc2time [2021-11-23 03:26:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:26:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:26:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_xgmii_mode [2021-11-23 03:26:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_xgmii_mode [2021-11-23 03:26:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 03:26:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 03:26:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init [2021-11-23 03:26:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init [2021-11-23 03:26:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 03:26:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 03:26:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:26:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:26:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_in_kr_mode [2021-11-23 03:26:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_in_kr_mode [2021-11-23 03:26:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_flow_control [2021-11-23 03:26:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_flow_control [2021-11-23 03:26:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-23 03:26:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-23 03:26:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 03:26:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 03:26:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-23 03:26:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-23 03:26:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-23 03:26:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-23 03:26:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-23 03:26:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-23 03:26:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:26:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:26:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_vlan_rx_kill_vid [2021-11-23 03:26:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_vlan_rx_kill_vid [2021-11-23 03:26:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_enable_rss [2021-11-23 03:26:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_enable_rss [2021-11-23 03:26:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_switch_mode [2021-11-23 03:26:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_switch_mode [2021-11-23 03:26:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_rxnfc [2021-11-23 03:26:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_rxnfc [2021-11-23 03:26:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dcb_getdcbx [2021-11-23 03:26:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dcb_getdcbx [2021-11-23 03:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2021-11-23 03:26:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2021-11-23 03:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 03:26:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 03:26:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 03:26:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 03:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:26:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:26:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:26:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-23 03:26:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-23 03:26:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:26:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_stats64 [2021-11-23 03:26:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_stats64 [2021-11-23 03:26:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 03:26:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 03:26:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:26:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:26:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:26:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_init [2021-11-23 03:26:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_init [2021-11-23 03:26:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_suspend [2021-11-23 03:26:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_suspend [2021-11-23 03:26:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_update_vlan_hash_table [2021-11-23 03:26:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_update_vlan_hash_table [2021-11-23 03:26:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 03:26:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 03:26:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:26:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:26:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:26:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 03:26:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:26:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-23 03:26:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-23 03:26:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_isr [2021-11-23 03:26:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_isr [2021-11-23 03:26:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:26:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:26:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_alloc_pages [2021-11-23 03:26:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_alloc_pages [2021-11-23 03:26:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_coalesce [2021-11-23 03:26:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_coalesce [2021-11-23 03:26:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rx_vlan_filtering [2021-11-23 03:26:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rx_vlan_filtering [2021-11-23 03:26:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:26:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:26:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:26:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:26:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_sset_count [2021-11-23 03:26:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_sset_count [2021-11-23 03:26:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_an [2021-11-23 03:26:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_an [2021-11-23 03:26:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:26:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:26:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 03:26:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 03:26:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_7 [2021-11-23 03:26:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_7 [2021-11-23 03:26:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:26:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:26:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:26:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:26:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:26:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:26:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 03:26:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 03:26:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_311 [2021-11-23 03:26:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_311 [2021-11-23 03:26:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_probe [2021-11-23 03:26:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_probe [2021-11-23 03:26:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 03:26:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 03:26:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_write_rss_reg [2021-11-23 03:26:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_write_rss_reg [2021-11-23 03:26:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_rx_poll [2021-11-23 03:26:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_rx_poll [2021-11-23 03:26:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 03:26:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 03:26:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:26:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:26:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:26:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_tx_start_xmit [2021-11-23 03:26:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_tx_start_xmit [2021-11-23 03:26:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure timecounter_init [2021-11-23 03:26:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timecounter_init [2021-11-23 03:26:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_restart_an [2021-11-23 03:26:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_restart_an [2021-11-23 03:26:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_gmii_2500_mode [2021-11-23 03:26:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_gmii_2500_mode [2021-11-23 03:26:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 03:26:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 03:26:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-23 03:26:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-23 03:26:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-23 03:26:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-23 03:26:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure xpcs_reg_addr_write [2021-11-23 03:26:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure xpcs_reg_addr_write [2021-11-23 03:26:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-23 03:26:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-23 03:26:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 03:26:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 03:26:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 03:26:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 03:26:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:26:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:26:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_common_read [2021-11-23 03:26:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_common_read [2021-11-23 03:26:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:26:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:26:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_xgmii_speed [2021-11-23 03:26:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_xgmii_speed [2021-11-23 03:26:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-23 03:26:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-23 03:26:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_pauseparam [2021-11-23 03:26:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_pauseparam [2021-11-23 03:26:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_rx_threshold [2021-11-23 03:26:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_rx_threshold [2021-11-23 03:26:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev32 [2021-11-23 03:26:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev32 [2021-11-23 03:26:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:26:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:26:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_adjust_link [2021-11-23 03:26:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_adjust_link [2021-11-23 03:26:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure device_property_present [2021-11-23 03:26:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure device_property_present [2021-11-23 03:26:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_gmii_mode [2021-11-23 03:26:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_gmii_mode [2021-11-23 03:26:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_config_aneg [2021-11-23 03:26:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_config_aneg [2021-11-23 03:26:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:26:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_49 [2021-11-23 03:26:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_49 [2021-11-23 03:26:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_config_tx_pbl_val [2021-11-23 03:26:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_config_tx_pbl_val [2021-11-23 03:26:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_47 [2021-11-23 03:26:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_47 [2021-11-23 03:26:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_43 [2021-11-23 03:26:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_43 [2021-11-23 03:26:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 03:26:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 03:26:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-11-23 03:26:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-11-23 03:26:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-23 03:26:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-23 03:26:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_poll_controller [2021-11-23 03:26:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_poll_controller [2021-11-23 03:26:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 03:26:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 03:26:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_rx_desc_reset [2021-11-23 03:26:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_rx_desc_reset [2021-11-23 03:26:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_serdes_start_ratechange [2021-11-23 03:26:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_serdes_start_ratechange [2021-11-23 03:26:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_mac_address___0 [2021-11-23 03:26:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_mac_address___0 [2021-11-23 03:26:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:26:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:26:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_disable_rx_csum [2021-11-23 03:26:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_disable_rx_csum [2021-11-23 03:26:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_all_poll [2021-11-23 03:26:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_all_poll [2021-11-23 03:26:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:26:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:26:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure xpcs_mmd_write [2021-11-23 03:26:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure xpcs_mmd_write [2021-11-23 03:26:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 03:26:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 03:26:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-23 03:26:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-23 03:26:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-11-23 03:26:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-11-23 03:26:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_open [2021-11-23 03:26:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_open [2021-11-23 03:26:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_start_timers [2021-11-23 03:26:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_start_timers [2021-11-23 03:26:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 03:26:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 03:26:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 03:26:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 03:26:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_restart_dev [2021-11-23 03:26:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_restart_dev [2021-11-23 03:26:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init_tx_coalesce [2021-11-23 03:26:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init_tx_coalesce [2021-11-23 03:26:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 03:26:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 03:26:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_napi_disable [2021-11-23 03:26:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_napi_disable [2021-11-23 03:26:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_phy_status [2021-11-23 03:26:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_phy_status [2021-11-23 03:26:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_promiscuous_mode [2021-11-23 03:26:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_promiscuous_mode [2021-11-23 03:26:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_dcb_ieee_getets [2021-11-23 03:26:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_dcb_ieee_getets [2021-11-23 03:26:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:26:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:26:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_print_pkt [2021-11-23 03:26:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_print_pkt [2021-11-23 03:26:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_set_buffer_data [2021-11-23 03:26:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_set_buffer_data [2021-11-23 03:26:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 03:26:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 03:26:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-23 03:26:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-23 03:26:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_init_rx_coalesce [2021-11-23 03:26:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_init_rx_coalesce [2021-11-23 03:26:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_reg_addr_write [2021-11-23 03:26:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_reg_addr_write [2021-11-23 03:26:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_get_settings [2021-11-23 03:26:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_get_settings [2021-11-23 03:26:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_prepare_tx_stop [2021-11-23 03:26:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_prepare_tx_stop [2021-11-23 03:26:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_service [2021-11-23 03:26:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_service [2021-11-23 03:26:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure xgbe_vlan_rx_add_vid [2021-11-23 03:26:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xgbe_vlan_rx_add_vid [2021-11-23 03:26:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:26:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:26:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-23 03:26:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-23 03:26:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:26:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:26:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 03:26:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2021-11-23 03:26:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2021-11-23 03:26:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 03:26:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 03:26:51,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:26:51,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:26:52,415 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:31:29,954 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:31:41,749 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:31:41,749 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:31:41,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:41 BoogieIcfgContainer [2021-11-23 03:31:41,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:31:41,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:31:41,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:31:41,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:31:41,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:34" (1/3) ... [2021-11-23 03:31:41,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d7bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:41, skipping insertion in model container [2021-11-23 03:31:41,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:47" (2/3) ... [2021-11-23 03:31:41,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d7bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:41, skipping insertion in model container [2021-11-23 03:31:41,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:41" (3/3) ... [2021-11-23 03:31:41,770 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--xgbe--amd-xgbe.ko-entry_point.cil.out.i [2021-11-23 03:31:41,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:31:41,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:31:41,848 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:31:41,856 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 03:31:41,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:31:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 5031 states, 3146 states have (on average 1.3162746344564527) internal successors, (4141), 3233 states have internal predecessors, (4141), 1587 states have call successors, (1587), 297 states have call predecessors, (1587), 296 states have return successors, (1575), 1543 states have call predecessors, (1575), 1575 states have call successors, (1575) [2021-11-23 03:31:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:31:41,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:41,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:41,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:41,998 INFO L85 PathProgramCache]: Analyzing trace with hash 782855034, now seen corresponding path program 1 times [2021-11-23 03:31:42,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:31:42,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335166190] [2021-11-23 03:31:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:42,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:31:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:43,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:31:43,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335166190] [2021-11-23 03:31:43,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335166190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:43,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:43,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:31:43,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275363085] [2021-11-23 03:31:43,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:43,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:31:43,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:31:43,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:31:43,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:31:43,302 INFO L87 Difference]: Start difference. First operand has 5031 states, 3146 states have (on average 1.3162746344564527) internal successors, (4141), 3233 states have internal predecessors, (4141), 1587 states have call successors, (1587), 297 states have call predecessors, (1587), 296 states have return successors, (1575), 1543 states have call predecessors, (1575), 1575 states have call successors, (1575) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:31:45,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:48,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:31:53,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:31:55,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:31:57,590 WARN L534 Checker$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 03:32:00,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:04,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:07,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:11,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:17,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:17,556 INFO L93 Difference]: Finished difference Result 14808 states and 21945 transitions. [2021-11-23 03:32:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:17,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2021-11-23 03:32:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:17,775 INFO L225 Difference]: With dead ends: 14808 [2021-11-23 03:32:17,776 INFO L226 Difference]: Without dead ends: 9733 [2021-11-23 03:32:17,895 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 03:32:17,906 INFO L933 BasicCegarLoop]: 8092 mSDtfsCounter, 6862 mSDsluCounter, 7272 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6893 SdHoareTripleChecker+Valid, 14676 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:17,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6893 Valid, 14676 Invalid, 1421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1412 Invalid, 8 Unknown, 0 Unchecked, 33.1s Time] [2021-11-23 03:32:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9733 states. [2021-11-23 03:32:18,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9733 to 9722. [2021-11-23 03:32:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9722 states, 6090 states have (on average 1.311822660098522) internal successors, (7989), 6236 states have internal predecessors, (7989), 3048 states have call successors, (3048), 585 states have call predecessors, (3048), 583 states have return successors, (3076), 2979 states have call predecessors, (3076), 3047 states have call successors, (3076) [2021-11-23 03:32:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 14113 transitions. [2021-11-23 03:32:18,981 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 14113 transitions. Word has length 65 [2021-11-23 03:32:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:18,982 INFO L470 AbstractCegarLoop]: Abstraction has 9722 states and 14113 transitions. [2021-11-23 03:32:18,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 03:32:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 14113 transitions. [2021-11-23 03:32:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 03:32:19,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:19,003 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:32:19,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:32:19,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:19,008 INFO L85 PathProgramCache]: Analyzing trace with hash -761377772, now seen corresponding path program 1 times [2021-11-23 03:32:19,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:19,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254304543] [2021-11-23 03:32:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:19,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 03:32:19,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:19,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254304543] [2021-11-23 03:32:19,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254304543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:19,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:19,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:32:19,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187473886] [2021-11-23 03:32:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:19,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:19,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:19,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:19,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:19,834 INFO L87 Difference]: Start difference. First operand 9722 states and 14113 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 03:32:22,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:24,865 WARN L534 Checker$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 03:32:29,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:32:31,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:32:33,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:37,163 WARN L534 Checker$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 03:32:45,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:48,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:52,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:32:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:53,274 INFO L93 Difference]: Finished difference Result 28867 states and 41901 transitions. [2021-11-23 03:32:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 100 [2021-11-23 03:32:53,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:53,541 INFO L225 Difference]: With dead ends: 28867 [2021-11-23 03:32:53,541 INFO L226 Difference]: Without dead ends: 19146 [2021-11-23 03:32:53,676 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 03:32:53,677 INFO L933 BasicCegarLoop]: 8113 mSDtfsCounter, 6850 mSDsluCounter, 7214 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6881 SdHoareTripleChecker+Valid, 14662 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:53,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6881 Valid, 14662 Invalid, 1413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1404 Invalid, 8 Unknown, 0 Unchecked, 32.6s Time] [2021-11-23 03:32:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19146 states. [2021-11-23 03:32:55,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19146 to 19134. [2021-11-23 03:32:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19134 states, 11969 states have (on average 1.3102180633302698) internal successors, (15682), 12262 states have internal predecessors, (15682), 6004 states have call successors, (6004), 1164 states have call predecessors, (6004), 1160 states have return successors, (6090), 5862 states have call predecessors, (6090), 6003 states have call successors, (6090) [2021-11-23 03:32:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19134 states to 19134 states and 27776 transitions. [2021-11-23 03:32:55,610 INFO L78 Accepts]: Start accepts. Automaton has 19134 states and 27776 transitions. Word has length 100 [2021-11-23 03:32:55,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:55,610 INFO L470 AbstractCegarLoop]: Abstraction has 19134 states and 27776 transitions. [2021-11-23 03:32:55,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 03:32:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 19134 states and 27776 transitions. [2021-11-23 03:32:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 03:32:55,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:55,621 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:55,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:32:55,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1165772777, now seen corresponding path program 1 times [2021-11-23 03:32:55,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549994115] [2021-11-23 03:32:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:55,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:32:56,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:56,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549994115] [2021-11-23 03:32:56,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549994115] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:32:56,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008085177] [2021-11-23 03:32:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:56,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:32:56,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:32:56,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:32:56,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:33:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:00,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 9223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:33:00,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:01,235 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 03:33:01,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:33:01,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008085177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:01,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:33:01,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-11-23 03:33:01,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382114769] [2021-11-23 03:33:01,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:01,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:01,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:01,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:33:01,238 INFO L87 Difference]: Start difference. First operand 19134 states and 27776 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-23 03:33:03,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:06,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:11,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:33:13,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:33:16,040 WARN L534 Checker$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 03:33:19,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:31,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:34,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:36,376 INFO L93 Difference]: Finished difference Result 57177 states and 83025 transitions. [2021-11-23 03:33:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:36,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2021-11-23 03:33:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:36,739 INFO L225 Difference]: With dead ends: 57177 [2021-11-23 03:33:36,739 INFO L226 Difference]: Without dead ends: 38044 [2021-11-23 03:33:36,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:33:36,904 INFO L933 BasicCegarLoop]: 11332 mSDtfsCounter, 6923 mSDsluCounter, 7242 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6954 SdHoareTripleChecker+Valid, 17891 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:36,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6954 Valid, 17891 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1824 Invalid, 8 Unknown, 0 Unchecked, 33.7s Time] [2021-11-23 03:33:36,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38044 states. [2021-11-23 03:33:39,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38044 to 38029. [2021-11-23 03:33:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38029 states, 23789 states have (on average 1.3105216696792634) internal successors, (31176), 24379 states have internal predecessors, (31176), 11925 states have call successors, (11925), 2322 states have call predecessors, (11925), 2314 states have return successors, (12127), 11634 states have call predecessors, (12127), 11924 states have call successors, (12127) [2021-11-23 03:33:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38029 states to 38029 states and 55228 transitions. [2021-11-23 03:33:40,437 INFO L78 Accepts]: Start accepts. Automaton has 38029 states and 55228 transitions. Word has length 109 [2021-11-23 03:33:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:40,439 INFO L470 AbstractCegarLoop]: Abstraction has 38029 states and 55228 transitions. [2021-11-23 03:33:40,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-23 03:33:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38029 states and 55228 transitions. [2021-11-23 03:33:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 03:33:40,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:40,459 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:40,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:33:40,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:40,676 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1707880761, now seen corresponding path program 1 times [2021-11-23 03:33:40,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:40,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036970003] [2021-11-23 03:33:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:40,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:33:41,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:41,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036970003] [2021-11-23 03:33:41,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036970003] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:41,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625321959] [2021-11-23 03:33:41,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:41,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:41,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:41,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:33:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:33:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:44,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 9516 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:33:44,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 03:33:45,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:33:45,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625321959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:45,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:33:45,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-11-23 03:33:45,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535402676] [2021-11-23 03:33:45,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:45,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:45,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:45,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:33:45,341 INFO L87 Difference]: Start difference. First operand 38029 states and 55228 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-23 03:33:47,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:50,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:33:55,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:33:57,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:01,606 WARN L534 Checker$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 03:34:16,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:19,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:34:21,748 INFO L93 Difference]: Finished difference Result 95934 states and 139255 transitions. [2021-11-23 03:34:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:34:21,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2021-11-23 03:34:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:34:22,667 INFO L225 Difference]: With dead ends: 95934 [2021-11-23 03:34:22,667 INFO L226 Difference]: Without dead ends: 75681 [2021-11-23 03:34:23,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:34:23,008 INFO L933 BasicCegarLoop]: 12457 mSDtfsCounter, 6880 mSDsluCounter, 7238 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6910 SdHoareTripleChecker+Valid, 19012 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:34:23,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6910 Valid, 19012 Invalid, 2018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2008 Invalid, 7 Unknown, 0 Unchecked, 34.0s Time] [2021-11-23 03:34:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75681 states. [2021-11-23 03:34:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75681 to 75671. [2021-11-23 03:34:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75671 states, 47356 states have (on average 1.310900413886308) internal successors, (62079), 48529 states have internal predecessors, (62079), 23692 states have call successors, (23692), 4638 states have call predecessors, (23692), 4622 states have return successors, (24132), 23114 states have call predecessors, (24132), 23691 states have call successors, (24132) [2021-11-23 03:34:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75671 states to 75671 states and 109903 transitions. [2021-11-23 03:34:29,905 INFO L78 Accepts]: Start accepts. Automaton has 75671 states and 109903 transitions. Word has length 134 [2021-11-23 03:34:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:34:29,905 INFO L470 AbstractCegarLoop]: Abstraction has 75671 states and 109903 transitions. [2021-11-23 03:34:29,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-23 03:34:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 75671 states and 109903 transitions. [2021-11-23 03:34:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 03:34:29,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:34:29,933 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:30,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:34:30,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:34:30,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:34:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:34:30,157 INFO L85 PathProgramCache]: Analyzing trace with hash 752827392, now seen corresponding path program 1 times [2021-11-23 03:34:30,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:34:30,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33218735] [2021-11-23 03:34:30,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:30,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:34:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:34:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-23 03:34:31,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:34:31,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33218735] [2021-11-23 03:34:31,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33218735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:34:31,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:34:31,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:34:31,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669557087] [2021-11-23 03:34:31,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:34:31,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:34:31,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:34:31,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:34:31,179 INFO L87 Difference]: Start difference. First operand 75671 states and 109903 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:34:33,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:35,952 WARN L534 Checker$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 03:34:40,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:42,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:34:45,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:49,708 WARN L534 Checker$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 03:34:59,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:02,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:04,435 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 03:35:11,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:35:11,145 INFO L93 Difference]: Finished difference Result 223510 states and 329292 transitions. [2021-11-23 03:35:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:35:11,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2021-11-23 03:35:11,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:35:13,386 INFO L225 Difference]: With dead ends: 223510 [2021-11-23 03:35:13,387 INFO L226 Difference]: Without dead ends: 147840 [2021-11-23 03:35:14,288 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 03:35:14,289 INFO L933 BasicCegarLoop]: 10241 mSDtfsCounter, 6800 mSDsluCounter, 7281 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6804 SdHoareTripleChecker+Valid, 16846 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:35:14,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6804 Valid, 16846 Invalid, 1786 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7 Valid, 1771 Invalid, 8 Unknown, 0 Unchecked, 33.9s Time] [2021-11-23 03:35:14,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147840 states. [2021-11-23 03:35:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147840 to 146989. [2021-11-23 03:35:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146989 states, 91755 states have (on average 1.3063266307013242) internal successors, (119862), 94140 states have internal predecessors, (119862), 46153 states have call successors, (46153), 9143 states have call predecessors, (46153), 9080 states have return successors, (52332), 44924 states have call predecessors, (52332), 46152 states have call successors, (52332) [2021-11-23 03:35:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146989 states to 146989 states and 218347 transitions. [2021-11-23 03:35:24,955 INFO L78 Accepts]: Start accepts. Automaton has 146989 states and 218347 transitions. Word has length 173 [2021-11-23 03:35:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:35:24,955 INFO L470 AbstractCegarLoop]: Abstraction has 146989 states and 218347 transitions. [2021-11-23 03:35:24,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:35:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 146989 states and 218347 transitions. [2021-11-23 03:35:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 03:35:24,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:24,973 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:35:24,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:35:24,974 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:35:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:24,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1735201916, now seen corresponding path program 1 times [2021-11-23 03:35:24,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:24,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451551556] [2021-11-23 03:35:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:24,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 03:35:25,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:35:25,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451551556] [2021-11-23 03:35:25,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451551556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:35:25,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510837300] [2021-11-23 03:35:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:25,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:35:25,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:35:25,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:35:25,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:35:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:28,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 9661 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:35:28,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:35:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 03:35:29,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:35:29,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510837300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:35:29,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 03:35:29,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2021-11-23 03:35:29,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744474174] [2021-11-23 03:35:29,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:35:29,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:35:29,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:35:29,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:35:29,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:35:29,642 INFO L87 Difference]: Start difference. First operand 146989 states and 218347 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:35:31,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:35,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:42,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:35:44,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:35:47,579 WARN L534 Checker$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 03:35:52,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:09,215 WARN L534 Checker$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 03:36:11,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:14,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:14,374 INFO L93 Difference]: Finished difference Result 310301 states and 460711 transitions. [2021-11-23 03:36:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:14,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2021-11-23 03:36:14,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:16,193 INFO L225 Difference]: With dead ends: 310301 [2021-11-23 03:36:16,193 INFO L226 Difference]: Without dead ends: 163313 [2021-11-23 03:36:17,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 03:36:17,456 INFO L933 BasicCegarLoop]: 12523 mSDtfsCounter, 6940 mSDsluCounter, 7047 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 18920 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:17,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6971 Valid, 18920 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1948 Invalid, 8 Unknown, 0 Unchecked, 36.3s Time] [2021-11-23 03:36:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163313 states. [2021-11-23 03:36:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163313 to 163268. [2021-11-23 03:36:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163268 states, 101790 states have (on average 1.3045584045584047) internal successors, (132791), 104467 states have internal predecessors, (132791), 51325 states have call successors, (51325), 10221 states have call predecessors, (51325), 10152 states have return successors, (58189), 49938 states have call predecessors, (58189), 51324 states have call successors, (58189) [2021-11-23 03:36:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163268 states to 163268 states and 242305 transitions. [2021-11-23 03:36:28,418 INFO L78 Accepts]: Start accepts. Automaton has 163268 states and 242305 transitions. Word has length 158 [2021-11-23 03:36:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:28,419 INFO L470 AbstractCegarLoop]: Abstraction has 163268 states and 242305 transitions. [2021-11-23 03:36:28,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 03:36:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 163268 states and 242305 transitions. [2021-11-23 03:36:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 03:36:28,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:28,430 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:28,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:36:28,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262510bf-e0e6-4c6f-a150-0f9581fdd5df/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:36:28,644 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:36:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:28,644 INFO L85 PathProgramCache]: Analyzing trace with hash 628319087, now seen corresponding path program 1 times [2021-11-23 03:36:28,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:28,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320260643] [2021-11-23 03:36:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:28,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2021-11-23 03:36:29,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:29,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320260643] [2021-11-23 03:36:29,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320260643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:29,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:29,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:29,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230502547] [2021-11-23 03:36:29,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:29,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:29,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:29,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:29,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:29,790 INFO L87 Difference]: Start difference. First operand 163268 states and 242305 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:36:31,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:35,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:38,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:43,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:36:45,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:36:48,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:53,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:55,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:57,693 WARN L534 Checker$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 03:37:15,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:18,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:19,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:24,108 INFO L93 Difference]: Finished difference Result 456029 states and 675754 transitions. [2021-11-23 03:37:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:24,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 222 [2021-11-23 03:37:24,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:27,216 INFO L225 Difference]: With dead ends: 456029 [2021-11-23 03:37:27,216 INFO L226 Difference]: Without dead ends: 292762