./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS --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 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:23:20,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:23:20,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:23:21,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:23:21,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:23:21,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:23:21,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:23:21,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:23:21,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:23:21,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:23:21,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:23:21,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:23:21,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:23:21,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:23:21,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:23:21,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:23:21,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:23:21,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:23:21,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:23:21,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:23:21,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:23:21,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:23:21,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:23:21,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:23:21,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:23:21,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:23:21,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:23:21,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:23:21,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:23:21,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:23:21,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:23:21,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:23:21,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:23:21,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:23:21,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:23:21,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:23:21,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:23:21,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:23:21,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:23:21,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:23:21,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:23:21,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:23:21,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:23:21,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:23:21,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:23:21,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:23:21,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:23:21,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:23:21,125 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:23:21,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:23:21,125 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:23:21,125 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:23:21,126 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:23:21,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:23:21,127 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:23:21,127 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:23:21,127 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:23:21,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:23:21,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:23:21,128 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:23:21,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:23:21,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:23:21,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:23:21,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:23:21,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:23:21,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:23:21,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:23:21,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:23:21,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:23:21,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:23:21,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:23:21,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:23:21,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:23:21,133 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:23:21,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:23:21,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:23:21,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:23:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:23:21,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:23:21,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:23:21,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 [2022-11-19 08:23:21,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:23:21,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:23:21,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:23:21,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:23:21,447 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:23:21,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-19 08:23:21,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/data/1bae3234a/44478ec916c04e7cbae3b3643c89ded4/FLAGcdbb863dd [2022-11-19 08:23:22,853 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:23:22,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-19 08:23:22,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/data/1bae3234a/44478ec916c04e7cbae3b3643c89ded4/FLAGcdbb863dd [2022-11-19 08:23:23,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/data/1bae3234a/44478ec916c04e7cbae3b3643c89ded4 [2022-11-19 08:23:23,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:23:23,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:23:23,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:23:23,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:23:23,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:23:23,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:23:23" (1/1) ... [2022-11-19 08:23:23,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf3286e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:23, skipping insertion in model container [2022-11-19 08:23:23,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:23:23" (1/1) ... [2022-11-19 08:23:23,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:23:23,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:23:34,813 WARN L234 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_5edab06c-2ff2-4e78-9fa1-46800147b1f2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2022-11-19 08:23:34,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:23:35,007 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:23:35,864 WARN L234 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_5edab06c-2ff2-4e78-9fa1-46800147b1f2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2022-11-19 08:23:35,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:23:36,494 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:23:36,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36 WrapperNode [2022-11-19 08:23:36,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:23:36,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:23:36,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:23:36,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:23:36,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:36,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:40,053 INFO L138 Inliner]: procedures = 964, calls = 12473, calls flagged for inlining = 584, calls inlined = 563, statements flattened = 22703 [2022-11-19 08:23:40,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:23:40,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:23:40,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:23:40,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:23:40,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:40,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:40,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:40,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:43,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:43,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:43,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:43,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:44,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:23:44,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:23:44,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:23:44,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:23:44,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (1/1) ... [2022-11-19 08:23:44,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:23:44,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:23:44,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:23:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edab06c-2ff2-4e78-9fa1-46800147b1f2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:23:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-19 08:23:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-19 08:23:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 08:23:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 08:23:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-19 08:23:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-19 08:23:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:23:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:23:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-19 08:23:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-19 08:23:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-19 08:23:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-19 08:23:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:23:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:23:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-19 08:23:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-19 08:23:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:23:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:23:44,217 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-19 08:23:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-19 08:23:44,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 08:23:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 08:23:44,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-19 08:23:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-19 08:23:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-19 08:23:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-19 08:23:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-19 08:23:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-19 08:23:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:23:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:23:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:23:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:23:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-19 08:23:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-19 08:23:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-19 08:23:44,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-19 08:23:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:23:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:23:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-19 08:23:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-19 08:23:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-19 08:23:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-19 08:23:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-19 08:23:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-19 08:23:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:23:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:23:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-19 08:23:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-19 08:23:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-19 08:23:44,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-19 08:23:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:23:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:23:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-19 08:23:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-19 08:23:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-19 08:23:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-19 08:23:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-19 08:23:44,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-19 08:23:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:23:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:23:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:23:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-19 08:23:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-19 08:23:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-19 08:23:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-19 08:23:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:23:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:23:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-19 08:23:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-19 08:23:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-19 08:23:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-19 08:23:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:23:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:23:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-19 08:23:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-19 08:23:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-19 08:23:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-19 08:23:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-19 08:23:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-19 08:23:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 08:23:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 08:23:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-19 08:23:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-19 08:23:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-19 08:23:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-19 08:23:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:23:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 08:23:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 08:23:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 08:23:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 08:23:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 08:23:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 08:23:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 08:23:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 08:23:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 08:23:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 08:23:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-19 08:23:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-19 08:23:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 08:23:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 08:23:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-19 08:23:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-19 08:23:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-19 08:23:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-19 08:23:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2022-11-19 08:23:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2022-11-19 08:23:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:23:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:23:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:23:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:23:44,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:23:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-19 08:23:44,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-19 08:23:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:23:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-19 08:23:44,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-19 08:23:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:23:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 08:23:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 08:23:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 08:23:44,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 08:23:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 08:23:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 08:23:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-19 08:23:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-19 08:23:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:23:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:23:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-19 08:23:44,253 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-19 08:23:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:23:44,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:23:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-19 08:23:44,253 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-19 08:23:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 08:23:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 08:23:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:23:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:23:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-19 08:23:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-19 08:23:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-19 08:23:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-19 08:23:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:23:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:23:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 08:23:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 08:23:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-19 08:23:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-19 08:23:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-19 08:23:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-19 08:23:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-19 08:23:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-19 08:23:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:23:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:23:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-19 08:23:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-19 08:23:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-19 08:23:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-19 08:23:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-19 08:23:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-19 08:23:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-19 08:23:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-19 08:23:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-19 08:23:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-19 08:23:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-19 08:23:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-19 08:23:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:23:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:23:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-19 08:23:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-19 08:23:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:23:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:23:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-19 08:23:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-19 08:23:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-19 08:23:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-19 08:23:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-19 08:23:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-19 08:23:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-19 08:23:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-19 08:23:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:23:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:23:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:23:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-19 08:23:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-19 08:23:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-19 08:23:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-19 08:23:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 08:23:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 08:23:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 08:23:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-19 08:23:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-19 08:23:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 08:23:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 08:23:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-19 08:23:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-19 08:23:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-19 08:23:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-19 08:23:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2022-11-19 08:23:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2022-11-19 08:23:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-19 08:23:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-19 08:23:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 08:23:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 08:23:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 08:23:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 08:23:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-19 08:23:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-19 08:23:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:23:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:23:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-19 08:23:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-19 08:23:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 08:23:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 08:23:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-19 08:23:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-19 08:23:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-19 08:23:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-19 08:23:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 08:23:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 08:23:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 08:23:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 08:23:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:23:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-19 08:23:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-19 08:23:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-19 08:23:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-19 08:23:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:23:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:23:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:23:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 08:23:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 08:23:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-19 08:23:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-19 08:23:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-19 08:23:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-19 08:23:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-19 08:23:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-19 08:23:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-19 08:23:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-19 08:23:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-19 08:23:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-19 08:23:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-19 08:23:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-19 08:23:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:23:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:23:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-19 08:23:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-19 08:23:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 08:23:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 08:23:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:23:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:23:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:23:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:23:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-19 08:23:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-19 08:23:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-19 08:23:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-19 08:23:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-19 08:23:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-19 08:23:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-19 08:23:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-19 08:23:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-19 08:23:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-19 08:23:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:23:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:23:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:23:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:23:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-19 08:23:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-19 08:23:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:23:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:23:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-19 08:23:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-19 08:23:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-19 08:23:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-19 08:23:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:23:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-19 08:23:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-19 08:23:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 08:23:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 08:23:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:23:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:23:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-19 08:23:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-19 08:23:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-19 08:23:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-19 08:23:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-19 08:23:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-19 08:23:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-19 08:23:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-19 08:23:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 08:23:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 08:23:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:23:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:23:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-19 08:23:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-19 08:23:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-19 08:23:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-19 08:23:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-19 08:23:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-19 08:23:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-19 08:23:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-19 08:23:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 08:23:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 08:23:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-19 08:23:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-19 08:23:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-19 08:23:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-19 08:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-19 08:23:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-19 08:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-19 08:23:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-19 08:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-19 08:23:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-19 08:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-19 08:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-19 08:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-19 08:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-19 08:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:23:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:23:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-19 08:23:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-19 08:23:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-19 08:23:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-19 08:23:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-19 08:23:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-19 08:23:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:23:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:23:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-19 08:23:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-19 08:23:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-19 08:23:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-19 08:23:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:23:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:23:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-19 08:23:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-19 08:23:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-19 08:23:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-19 08:23:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-19 08:23:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-19 08:23:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:23:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:23:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-19 08:23:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-19 08:23:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-19 08:23:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-19 08:23:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 08:23:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 08:23:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:23:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:23:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 08:23:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 08:23:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:23:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:23:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-19 08:23:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-19 08:23:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-19 08:23:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-19 08:23:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:23:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-19 08:23:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-19 08:23:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 08:23:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 08:23:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-19 08:23:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-19 08:23:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-19 08:23:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-19 08:23:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 08:23:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 08:23:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-19 08:23:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-19 08:23:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-19 08:23:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-19 08:23:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:23:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:23:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-19 08:23:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-19 08:23:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-19 08:23:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-19 08:23:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:23:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 08:23:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 08:23:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-19 08:23:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-19 08:23:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-19 08:23:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-19 08:23:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-19 08:23:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-19 08:23:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 08:23:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 08:23:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-19 08:23:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-19 08:23:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-19 08:23:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-19 08:23:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:23:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:23:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:23:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-19 08:23:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-19 08:23:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:23:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:23:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-19 08:23:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-19 08:23:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:23:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:23:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 08:23:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 08:23:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-19 08:23:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-19 08:23:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:23:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:23:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-19 08:23:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-19 08:23:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-19 08:23:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-19 08:23:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-19 08:23:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-19 08:23:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-19 08:23:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-19 08:23:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-19 08:23:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-19 08:23:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-19 08:23:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-19 08:23:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-19 08:23:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-19 08:23:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-19 08:23:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-19 08:23:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-19 08:23:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-19 08:23:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-19 08:23:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-19 08:23:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 08:23:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 08:23:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-19 08:23:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-19 08:23:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-19 08:23:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-19 08:23:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-19 08:23:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-19 08:23:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 08:23:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 08:23:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-19 08:23:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-19 08:23:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-19 08:23:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-19 08:23:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-19 08:23:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-19 08:23:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-19 08:23:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-19 08:23:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-19 08:23:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-19 08:23:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-19 08:23:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-19 08:23:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:23:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:23:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-19 08:23:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-19 08:23:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-19 08:23:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-19 08:23:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:23:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:23:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-19 08:23:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-19 08:23:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-19 08:23:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-19 08:23:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-19 08:23:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-19 08:23:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-19 08:23:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-19 08:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-19 08:23:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-19 08:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-19 08:23:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-19 08:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-19 08:23:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-19 08:23:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-19 08:23:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-19 08:23:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:23:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:23:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-19 08:23:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-19 08:23:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 08:23:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 08:23:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 08:23:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 08:23:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-19 08:23:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-19 08:23:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-19 08:23:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-19 08:23:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-19 08:23:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-19 08:23:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-19 08:23:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-19 08:23:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:23:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:23:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:23:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-19 08:23:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-19 08:23:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 08:23:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 08:23:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 08:23:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 08:23:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:23:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:23:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-19 08:23:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-19 08:23:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-19 08:23:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-19 08:23:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-19 08:23:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-19 08:23:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-19 08:23:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-19 08:23:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 08:23:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 08:23:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-19 08:23:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-19 08:23:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-19 08:23:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-19 08:23:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-19 08:23:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-19 08:23:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-19 08:23:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-19 08:23:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-19 08:23:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-19 08:23:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 08:23:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 08:23:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-19 08:23:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-19 08:23:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:23:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:23:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-19 08:23:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-19 08:23:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-19 08:23:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-19 08:23:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-19 08:23:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-19 08:23:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 08:23:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 08:23:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-19 08:23:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-19 08:23:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:23:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-19 08:23:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-19 08:23:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 08:23:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 08:23:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-19 08:23:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-19 08:23:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 08:23:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 08:23:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 08:23:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 08:23:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:23:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:23:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 08:23:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 08:23:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-19 08:23:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-19 08:23:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 08:23:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 08:23:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:23:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:23:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-19 08:23:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-19 08:23:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-19 08:23:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-19 08:23:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-19 08:23:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-19 08:23:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-19 08:23:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-19 08:23:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-19 08:23:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-19 08:23:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 08:23:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 08:23:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:23:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:23:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-19 08:23:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-19 08:23:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 08:23:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 08:23:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-19 08:23:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-19 08:23:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-19 08:23:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-19 08:23:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-19 08:23:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-19 08:23:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-19 08:23:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-19 08:23:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-19 08:23:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-19 08:23:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:23:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:23:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-19 08:23:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-19 08:23:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:23:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:23:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-19 08:23:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-19 08:23:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-19 08:23:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-19 08:23:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 08:23:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 08:23:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-19 08:23:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-19 08:23:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-19 08:23:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-19 08:23:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:23:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:23:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 08:23:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 08:23:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-19 08:23:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-19 08:23:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-19 08:23:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-19 08:23:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 08:23:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 08:23:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-19 08:23:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-19 08:23:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:23:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:23:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:23:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:23:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-19 08:23:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-19 08:23:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 08:23:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 08:23:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-19 08:23:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-19 08:23:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-19 08:23:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-19 08:23:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-19 08:23:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-19 08:23:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:23:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:23:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:23:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-19 08:23:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-19 08:23:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-19 08:23:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-19 08:23:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-19 08:23:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-19 08:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:23:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 08:23:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 08:23:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-19 08:23:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-19 08:23:46,804 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:23:46,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:23:47,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:25:30,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 08:25:30,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:28:52,332 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:28:52,333 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-19 08:28:52,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:52 BoogieIcfgContainer [2022-11-19 08:28:52,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:28:52,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:28:52,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:28:52,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:28:52,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:23:23" (1/3) ... [2022-11-19 08:28:52,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0e69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:52, skipping insertion in model container [2022-11-19 08:28:52,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:23:36" (2/3) ... [2022-11-19 08:28:52,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0e69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:52, skipping insertion in model container [2022-11-19 08:28:52,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:52" (3/3) ... [2022-11-19 08:28:52,359 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-19 08:28:52,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:28:52,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:28:52,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:28:52,540 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f700bee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:28:52,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:28:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 5028 states, 3029 states have (on average 1.3212281280950808) internal successors, (4002), 3124 states have internal predecessors, (4002), 1684 states have call successors, (1684), 315 states have call predecessors, (1684), 314 states have return successors, (1670), 1612 states have call predecessors, (1670), 1670 states have call successors, (1670) [2022-11-19 08:28:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-11-19 08:28:52,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:52,624 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:52,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:52,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:52,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2087560125, now seen corresponding path program 1 times [2022-11-19 08:28:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:52,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026758816] [2022-11-19 08:28:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-19 08:28:56,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:56,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026758816] [2022-11-19 08:28:56,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026758816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:56,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:56,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:28:56,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939510583] [2022-11-19 08:28:56,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:56,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:28:56,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:28:56,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:28:56,537 INFO L87 Difference]: Start difference. First operand has 5028 states, 3029 states have (on average 1.3212281280950808) internal successors, (4002), 3124 states have internal predecessors, (4002), 1684 states have call successors, (1684), 315 states have call predecessors, (1684), 314 states have return successors, (1670), 1612 states have call predecessors, (1670), 1670 states have call successors, (1670) Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-19 08:29:01,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:03,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:16,785 INFO L93 Difference]: Finished difference Result 14662 states and 21468 transitions. [2022-11-19 08:29:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:29:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 819 [2022-11-19 08:29:16,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:16,891 INFO L225 Difference]: With dead ends: 14662 [2022-11-19 08:29:16,891 INFO L226 Difference]: Without dead ends: 9777 [2022-11-19 08:29:16,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:29:16,930 INFO L413 NwaCegarLoop]: 7772 mSDtfsCounter, 7003 mSDsluCounter, 6167 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7009 SdHoareTripleChecker+Valid, 13939 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:16,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7009 Valid, 13939 Invalid, 2326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2307 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2022-11-19 08:29:16,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9777 states. [2022-11-19 08:29:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9775. [2022-11-19 08:29:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9775 states, 5917 states have (on average 1.3211086699340882) internal successors, (7817), 6108 states have internal predecessors, (7817), 3234 states have call successors, (3234), 625 states have call predecessors, (3234), 623 states have return successors, (3232), 3112 states have call predecessors, (3232), 3230 states have call successors, (3232) [2022-11-19 08:29:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9775 states to 9775 states and 14283 transitions. [2022-11-19 08:29:17,759 INFO L78 Accepts]: Start accepts. Automaton has 9775 states and 14283 transitions. Word has length 819 [2022-11-19 08:29:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:17,768 INFO L495 AbstractCegarLoop]: Abstraction has 9775 states and 14283 transitions. [2022-11-19 08:29:17,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-19 08:29:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 9775 states and 14283 transitions. [2022-11-19 08:29:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2022-11-19 08:29:17,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:17,842 INFO L195 NwaCegarLoop]: trace histogram [83, 80, 80, 80, 80, 80, 80, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:17,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:29:17,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:17,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:17,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1400937243, now seen corresponding path program 1 times [2022-11-19 08:29:17,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:17,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388482779] [2022-11-19 08:29:17,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2022-11-19 08:29:22,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:22,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388482779] [2022-11-19 08:29:22,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388482779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:22,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:22,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:29:22,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605605232] [2022-11-19 08:29:22,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:22,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:29:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:29:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:22,686 INFO L87 Difference]: Start difference. First operand 9775 states and 14283 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-19 08:29:26,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:32,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:53,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:55,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:57,216 INFO L93 Difference]: Finished difference Result 14496 states and 20716 transitions. [2022-11-19 08:29:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:29:57,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 858 [2022-11-19 08:29:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:57,320 INFO L225 Difference]: With dead ends: 14496 [2022-11-19 08:29:57,320 INFO L226 Difference]: Without dead ends: 14492 [2022-11-19 08:29:57,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:29:57,334 INFO L413 NwaCegarLoop]: 7065 mSDtfsCounter, 7102 mSDsluCounter, 16947 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7109 SdHoareTripleChecker+Valid, 24012 SdHoareTripleChecker+Invalid, 3924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:57,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7109 Valid, 24012 Invalid, 3924 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 3921 Invalid, 2 Unknown, 0 Unchecked, 33.7s Time] [2022-11-19 08:29:57,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14492 states. [2022-11-19 08:29:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14492 to 14490. [2022-11-19 08:29:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14490 states, 8632 states have (on average 1.2996987951807228) internal successors, (11219), 8985 states have internal predecessors, (11219), 4744 states have call successors, (4744), 1116 states have call predecessors, (4744), 1113 states have return successors, (4747), 4511 states have call predecessors, (4747), 4740 states have call successors, (4747) [2022-11-19 08:29:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14490 states to 14490 states and 20710 transitions. [2022-11-19 08:29:58,361 INFO L78 Accepts]: Start accepts. Automaton has 14490 states and 20710 transitions. Word has length 858 [2022-11-19 08:29:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:58,364 INFO L495 AbstractCegarLoop]: Abstraction has 14490 states and 20710 transitions. [2022-11-19 08:29:58,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (89), 3 states have call predecessors, (89), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-19 08:29:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14490 states and 20710 transitions. [2022-11-19 08:29:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-11-19 08:29:58,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:58,413 INFO L195 NwaCegarLoop]: trace histogram [83, 80, 80, 80, 80, 80, 80, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:58,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:29:58,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:58,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash 101804937, now seen corresponding path program 1 times [2022-11-19 08:29:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:58,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322836027] [2022-11-19 08:29:58,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:58,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 25772 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2022-11-19 08:30:02,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:02,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322836027] [2022-11-19 08:30:02,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322836027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:02,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:02,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:30:02,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035602652] [2022-11-19 08:30:02,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:02,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:02,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:02,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:02,338 INFO L87 Difference]: Start difference. First operand 14490 states and 20710 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2022-11-19 08:30:07,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:09,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:12,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:13,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:14,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:16,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:29,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:30,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:32,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:42,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:46,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:47,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:47,850 INFO L93 Difference]: Finished difference Result 28556 states and 41573 transitions. [2022-11-19 08:30:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:30:47,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 863 [2022-11-19 08:30:47,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:48,041 INFO L225 Difference]: With dead ends: 28556 [2022-11-19 08:30:48,042 INFO L226 Difference]: Without dead ends: 28534 [2022-11-19 08:30:48,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:30:48,064 INFO L413 NwaCegarLoop]: 7938 mSDtfsCounter, 7175 mSDsluCounter, 21908 mSDsCounter, 0 mSdLazyCounter, 4580 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7179 SdHoareTripleChecker+Valid, 29846 SdHoareTripleChecker+Invalid, 4590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4580 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:48,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7179 Valid, 29846 Invalid, 4590 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 4580 Invalid, 6 Unknown, 0 Unchecked, 44.3s Time] [2022-11-19 08:30:48,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28534 states. [2022-11-19 08:30:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28534 to 28425. [2022-11-19 08:30:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28425 states, 16963 states have (on average 1.3029534870011201) internal successors, (22102), 17681 states have internal predecessors, (22102), 9275 states have call successors, (9275), 2199 states have call predecessors, (9275), 2186 states have return successors, (10037), 8790 states have call predecessors, (10037), 9271 states have call successors, (10037) [2022-11-19 08:30:50,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28425 states to 28425 states and 41414 transitions. [2022-11-19 08:30:50,123 INFO L78 Accepts]: Start accepts. Automaton has 28425 states and 41414 transitions. Word has length 863 [2022-11-19 08:30:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:50,125 INFO L495 AbstractCegarLoop]: Abstraction has 28425 states and 41414 transitions. [2022-11-19 08:30:50,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (90), 3 states have call predecessors, (90), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2022-11-19 08:30:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 28425 states and 41414 transitions. [2022-11-19 08:30:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2022-11-19 08:30:50,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:50,293 INFO L195 NwaCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:50,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:30:50,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:50,294 INFO L85 PathProgramCache]: Analyzing trace with hash 818508469, now seen corresponding path program 1 times [2022-11-19 08:30:50,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:50,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454895955] [2022-11-19 08:30:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:50,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 26128 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26120 trivial. 0 not checked. [2022-11-19 08:30:52,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:52,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454895955] [2022-11-19 08:30:52,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454895955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:52,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:52,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:52,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599535562] [2022-11-19 08:30:52,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:52,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:52,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:52,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:52,760 INFO L87 Difference]: Start difference. First operand 28425 states and 41414 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 08:30:56,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:58,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:00,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:05,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:16,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:16,471 INFO L93 Difference]: Finished difference Result 70735 states and 102975 transitions. [2022-11-19 08:31:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:31:16,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1019 [2022-11-19 08:31:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:16,802 INFO L225 Difference]: With dead ends: 70735 [2022-11-19 08:31:16,802 INFO L226 Difference]: Without dead ends: 42471 [2022-11-19 08:31:16,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:16,965 INFO L413 NwaCegarLoop]: 7874 mSDtfsCounter, 6909 mSDsluCounter, 6151 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6917 SdHoareTripleChecker+Valid, 14025 SdHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:16,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6917 Valid, 14025 Invalid, 2349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2334 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2022-11-19 08:31:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42471 states. [2022-11-19 08:31:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42471 to 42441. [2022-11-19 08:31:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42441 states, 25328 states have (on average 1.301879343019583) internal successors, (32974), 26416 states have internal predecessors, (32974), 13820 states have call successors, (13820), 3309 states have call predecessors, (13820), 3292 states have return successors, (14938), 13087 states have call predecessors, (14938), 13816 states have call successors, (14938) [2022-11-19 08:31:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42441 states to 42441 states and 61732 transitions. [2022-11-19 08:31:20,208 INFO L78 Accepts]: Start accepts. Automaton has 42441 states and 61732 transitions. Word has length 1019 [2022-11-19 08:31:20,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:20,209 INFO L495 AbstractCegarLoop]: Abstraction has 42441 states and 61732 transitions. [2022-11-19 08:31:20,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 08:31:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42441 states and 61732 transitions. [2022-11-19 08:31:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2022-11-19 08:31:20,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:20,466 INFO L195 NwaCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:20,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:31:20,467 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash -558739790, now seen corresponding path program 1 times [2022-11-19 08:31:20,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:20,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650541882] [2022-11-19 08:31:20,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 26123 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26115 trivial. 0 not checked. [2022-11-19 08:31:23,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:23,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650541882] [2022-11-19 08:31:23,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650541882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:23,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:23,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:31:23,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448342310] [2022-11-19 08:31:23,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:23,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:31:23,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:31:23,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:23,377 INFO L87 Difference]: Start difference. First operand 42441 states and 61732 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-11-19 08:31:29,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:33,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:36,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:41,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:43,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:31:49,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:49,284 INFO L93 Difference]: Finished difference Result 107956 states and 157281 transitions. [2022-11-19 08:31:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:31:49,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1013 [2022-11-19 08:31:49,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:50,007 INFO L225 Difference]: With dead ends: 107956 [2022-11-19 08:31:50,007 INFO L226 Difference]: Without dead ends: 65676 [2022-11-19 08:31:50,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:50,221 INFO L413 NwaCegarLoop]: 7733 mSDtfsCounter, 6938 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6942 SdHoareTripleChecker+Valid, 13878 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:50,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6942 Valid, 13878 Invalid, 2326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2307 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2022-11-19 08:31:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65676 states. [2022-11-19 08:31:53,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65676 to 65646. [2022-11-19 08:31:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65646 states, 39305 states have (on average 1.304744943391426) internal successors, (51283), 40955 states have internal predecessors, (51283), 21341 states have call successors, (21341), 5026 states have call predecessors, (21341), 4999 states have return successors, (23046), 20232 states have call predecessors, (23046), 21337 states have call successors, (23046) [2022-11-19 08:31:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65646 states to 65646 states and 95670 transitions. [2022-11-19 08:31:54,680 INFO L78 Accepts]: Start accepts. Automaton has 65646 states and 95670 transitions. Word has length 1013 [2022-11-19 08:31:54,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:54,681 INFO L495 AbstractCegarLoop]: Abstraction has 65646 states and 95670 transitions. [2022-11-19 08:31:54,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-11-19 08:31:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 65646 states and 95670 transitions. [2022-11-19 08:31:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1018 [2022-11-19 08:31:54,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:54,914 INFO L195 NwaCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:54,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:31:54,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:54,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:54,915 INFO L85 PathProgramCache]: Analyzing trace with hash -436376399, now seen corresponding path program 1 times [2022-11-19 08:31:54,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:54,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901146481] [2022-11-19 08:31:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat