./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/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_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:18,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:18,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:18,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:18,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:18,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:18,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:18,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:18,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:18,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:18,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:18,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:18,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:18,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:18,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:18,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:18,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:18,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:18,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:18,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:18,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:18,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:18,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:18,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:18,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:18,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:18,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:18,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:18,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:18,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:18,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:18,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:18,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:18,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:18,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:18,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:18,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:18,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:18,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:18,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:18,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:18,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:16:18,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:18,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:18,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:18,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:18,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:18,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:18,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:18,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:18,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:18,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:16:18,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:18,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:18,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:16:18,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:16:18,252 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:18,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:16:18,252 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:16:18,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:16:18,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:18,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:16:18,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:18,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:18,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:18,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:18,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:18,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:18,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:18,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:18,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:18,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:18,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:18,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:18,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:18,258 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:16:18,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:16:18,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:18,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:18,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:18,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b379d3952381ee5f7f20521f33bb132b70e1b6ee6e3a8e84f57aac9987165a8 [2021-11-20 23:16:18,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:18,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:18,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:18,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:18,554 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:18,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-20 23:16:18,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/data/fd854ad85/b160a8b94b684681a8032c5d8d9ea5c6/FLAG623823dbf [2021-11-20 23:16:19,860 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:19,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-20 23:16:19,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/data/fd854ad85/b160a8b94b684681a8032c5d8d9ea5c6/FLAG623823dbf [2021-11-20 23:16:19,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/data/fd854ad85/b160a8b94b684681a8032c5d8d9ea5c6 [2021-11-20 23:16:19,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:19,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:19,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:19,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:19,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:19,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:19" (1/1) ... [2021-11-20 23:16:19,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6775f52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:19, skipping insertion in model container [2021-11-20 23:16:19,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:19" (1/1) ... [2021-11-20 23:16:20,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:20,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:29,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2021-11-20 23:16:29,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:30,112 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:16:30,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[837847,837860] [2021-11-20 23:16:30,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:16:31,639 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:16:31,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31 WrapperNode [2021-11-20 23:16:31,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:31,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:31,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:16:31,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:16:31,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:32,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:32,845 INFO L137 Inliner]: procedures = 964, calls = 12417, calls flagged for inlining = 584, calls inlined = 563, statements flattened = 22459 [2021-11-20 23:16:32,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:16:32,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:16:32,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:16:32,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:16:32,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:32,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:32,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:32,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:33,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:33,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:33,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:34,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:16:34,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:16:34,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:16:34,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:16:34,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (1/1) ... [2021-11-20 23:16:34,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:34,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:16:34,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:16:34,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:16:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-20 23:16:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-20 23:16:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 23:16:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 23:16:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-20 23:16:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-20 23:16:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 23:16:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 23:16:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-20 23:16:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-20 23:16:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-20 23:16:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-20 23:16:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:16:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:16:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-20 23:16:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-20 23:16:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:16:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:16:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 23:16:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 23:16:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 23:16:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 23:16:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-20 23:16:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-20 23:16:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-20 23:16:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-20 23:16:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-20 23:16:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-20 23:16:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 23:16:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 23:16:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:16:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:16:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-20 23:16:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-20 23:16:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-20 23:16:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-20 23:16:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:16:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:16:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-20 23:16:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-20 23:16:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-20 23:16:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-20 23:16:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-20 23:16:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-20 23:16:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 23:16:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 23:16:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-20 23:16:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-20 23:16:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-20 23:16:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-20 23:16:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:16:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:16:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-20 23:16:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-20 23:16:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-20 23:16:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-20 23:16:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-20 23:16:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-20 23:16:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:16:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:16:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:16:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-20 23:16:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-20 23:16:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-20 23:16:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-20 23:16:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:16:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:16:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-20 23:16:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-20 23:16:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-20 23:16:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-20 23:16:34,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:16:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:16:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-20 23:16:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-20 23:16:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-20 23:16:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-20 23:16:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-20 23:16:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-20 23:16:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-20 23:16:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-20 23:16:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-20 23:16:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-20 23:16:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-20 23:16:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-20 23:16:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:16:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:16:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:16:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:16:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:16:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-20 23:16:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-20 23:16:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 23:16:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 23:16:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-20 23:16:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-20 23:16:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-20 23:16:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-20 23:16:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 23:16:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 23:16:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-20 23:16:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-20 23:16:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-20 23:16:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-20 23:16:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-20 23:16:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-20 23:16:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:16:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:16:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:16:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:16:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:16:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-20 23:16:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-20 23:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-20 23:16:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-20 23:16:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:16:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 23:16:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 23:16:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 23:16:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 23:16:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 23:16:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 23:16:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-20 23:16:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-20 23:16:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 23:16:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 23:16:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-20 23:16:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-20 23:16:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 23:16:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 23:16:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-20 23:16:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-20 23:16:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-20 23:16:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-20 23:16:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:16:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:16:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-20 23:16:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-20 23:16:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-20 23:16:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-20 23:16:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 23:16:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 23:16:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-20 23:16:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-20 23:16:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-20 23:16:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-20 23:16:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-20 23:16:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-20 23:16:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-20 23:16:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-20 23:16:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:16:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:16:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-20 23:16:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-20 23:16:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-20 23:16:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-20 23:16:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-20 23:16:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-20 23:16:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-20 23:16:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-20 23:16:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-20 23:16:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-20 23:16:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-20 23:16:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-20 23:16:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:16:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:16:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-20 23:16:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-20 23:16:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 23:16:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 23:16:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-20 23:16:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-20 23:16:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-20 23:16:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-20 23:16:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-20 23:16:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-20 23:16:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-20 23:16:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-20 23:16:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:16:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:16:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 23:16:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-20 23:16:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-20 23:16:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-20 23:16:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-20 23:16:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:16:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:16:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:16:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-20 23:16:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-20 23:16:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:16:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:16:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-20 23:16:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-20 23:16:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-20 23:16:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-20 23:16:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2021-11-20 23:16:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2021-11-20 23:16:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-20 23:16:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-20 23:16:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 23:16:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 23:16:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-20 23:16:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-20 23:16:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-20 23:16:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-20 23:16:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:16:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:16:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-20 23:16:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-20 23:16:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 23:16:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 23:16:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-20 23:16:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-20 23:16:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-20 23:16:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-20 23:16:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 23:16:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 23:16:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-20 23:16:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-20 23:16:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:16:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-20 23:16:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-20 23:16:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-20 23:16:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-20 23:16:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:16:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:16:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:16:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 23:16:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 23:16:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-20 23:16:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-20 23:16:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-20 23:16:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-20 23:16:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-20 23:16:34,302 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-20 23:16:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-20 23:16:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-20 23:16:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-20 23:16:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-20 23:16:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-20 23:16:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-20 23:16:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:16:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:16:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-20 23:16:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-20 23:16:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 23:16:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 23:16:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:16:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:16:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:16:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:16:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-20 23:16:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-20 23:16:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-20 23:16:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-20 23:16:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-20 23:16:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-20 23:16:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-20 23:16:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-20 23:16:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-20 23:16:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-20 23:16:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 23:16:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 23:16:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 23:16:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 23:16:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-20 23:16:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-20 23:16:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:16:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:16:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-20 23:16:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-20 23:16:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-20 23:16:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-20 23:16:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:16:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-20 23:16:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-20 23:16:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 23:16:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 23:16:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:16:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:16:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-20 23:16:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-20 23:16:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-20 23:16:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-20 23:16:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-20 23:16:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-20 23:16:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-20 23:16:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-20 23:16:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 23:16:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 23:16:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 23:16:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 23:16:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-20 23:16:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-20 23:16:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-20 23:16:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-20 23:16:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-20 23:16:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-20 23:16:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-20 23:16:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-20 23:16:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-20 23:16:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-20 23:16:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-20 23:16:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-20 23:16:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-20 23:16:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-20 23:16:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-20 23:16:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-20 23:16:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-20 23:16:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-20 23:16:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-20 23:16:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-20 23:16:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-20 23:16:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-20 23:16:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-20 23:16:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-20 23:16:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 23:16:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 23:16:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:16:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:16:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-20 23:16:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-20 23:16:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-20 23:16:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-20 23:16:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-20 23:16:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-20 23:16:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:16:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:16:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-20 23:16:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-20 23:16:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-20 23:16:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-20 23:16:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 23:16:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 23:16:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-20 23:16:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-20 23:16:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-20 23:16:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-20 23:16:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-20 23:16:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-20 23:16:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:16:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:16:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-20 23:16:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-20 23:16:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-20 23:16:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-20 23:16:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-20 23:16:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-20 23:16:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:16:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:16:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 23:16:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 23:16:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:16:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-20 23:16:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-20 23:16:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-20 23:16:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-20 23:16:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-20 23:16:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-20 23:16:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-20 23:16:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-20 23:16:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-20 23:16:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 23:16:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 23:16:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-20 23:16:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-20 23:16:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-20 23:16:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-20 23:16:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 23:16:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 23:16:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-20 23:16:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-20 23:16:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-20 23:16:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-20 23:16:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:16:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 23:16:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 23:16:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-20 23:16:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-20 23:16:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-20 23:16:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-20 23:16:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-20 23:16:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-20 23:16:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-20 23:16:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-20 23:16:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-20 23:16:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-20 23:16:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-20 23:16:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-20 23:16:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:16:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:16:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:16:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-20 23:16:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-20 23:16:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:16:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:16:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-20 23:16:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-20 23:16:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:16:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:16:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:16:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:16:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-20 23:16:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-20 23:16:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:16:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:16:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-20 23:16:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-20 23:16:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-20 23:16:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-20 23:16:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-20 23:16:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-20 23:16:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-20 23:16:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-20 23:16:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-20 23:16:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-20 23:16:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-20 23:16:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-20 23:16:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-20 23:16:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-20 23:16:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-20 23:16:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-20 23:16:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-20 23:16:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-20 23:16:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-20 23:16:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-20 23:16:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 23:16:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 23:16:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-20 23:16:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-20 23:16:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-20 23:16:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-20 23:16:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-20 23:16:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-20 23:16:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:16:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:16:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-20 23:16:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-20 23:16:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-20 23:16:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-20 23:16:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-20 23:16:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-20 23:16:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-20 23:16:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-20 23:16:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-20 23:16:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-20 23:16:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-20 23:16:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-20 23:16:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:16:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:16:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-20 23:16:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-20 23:16:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-20 23:16:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-20 23:16:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:16:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:16:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-20 23:16:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-20 23:16:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-20 23:16:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-20 23:16:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-20 23:16:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-20 23:16:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-20 23:16:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-20 23:16:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-20 23:16:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-20 23:16:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-20 23:16:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-20 23:16:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-20 23:16:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-20 23:16:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-20 23:16:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-20 23:16:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 23:16:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 23:16:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-20 23:16:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-20 23:16:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 23:16:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 23:16:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 23:16:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 23:16:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-20 23:16:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-20 23:16:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-20 23:16:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-20 23:16:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-20 23:16:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-20 23:16:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-20 23:16:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-20 23:16:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:16:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:16:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:16:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-20 23:16:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-20 23:16:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 23:16:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 23:16:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-20 23:16:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-20 23:16:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 23:16:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 23:16:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-20 23:16:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-20 23:16:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-20 23:16:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-20 23:16:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-20 23:16:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-20 23:16:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-20 23:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-20 23:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 23:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 23:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-20 23:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-20 23:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-20 23:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-20 23:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-20 23:16:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-20 23:16:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-20 23:16:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-20 23:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-20 23:16:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-20 23:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 23:16:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 23:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-20 23:16:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-20 23:16:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:16:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-11-20 23:16:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-20 23:16:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-20 23:16:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 23:16:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-20 23:16:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:16:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:16:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 23:16:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-20 23:16:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-20 23:16:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-20 23:16:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-20 23:16:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-20 23:16:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 23:16:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-20 23:16:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-20 23:16:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-20 23:16:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:16:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 23:16:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-20 23:16:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-20 23:16:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-20 23:16:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:16:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-20 23:16:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-20 23:16:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-20 23:16:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-20 23:16:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-20 23:16:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:16:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:16:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-20 23:16:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-20 23:16:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-20 23:16:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-20 23:16:36,895 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:16:36,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:16:37,153 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:17:08,343 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:17:08,694 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:17:14,894 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:17:14,895 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-20 23:17:14,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:17:14 BoogieIcfgContainer [2021-11-20 23:17:14,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:17:14,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:17:14,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:17:14,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:17:14,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:19" (1/3) ... [2021-11-20 23:17:14,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fcd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:17:14, skipping insertion in model container [2021-11-20 23:17:14,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:31" (2/3) ... [2021-11-20 23:17:14,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fcd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:17:14, skipping insertion in model container [2021-11-20 23:17:14,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:17:14" (3/3) ... [2021-11-20 23:17:14,913 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-20 23:17:14,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:17:14,919 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:17:14,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:17:14,991 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:17:14,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:17:15,116 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) [2021-11-20 23:17:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2021-11-20 23:17:15,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:15,183 INFO L514 BasicCegarLoop]: 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] [2021-11-20 23:17:15,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1685210638, now seen corresponding path program 1 times [2021-11-20 23:17:15,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:17:15,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079688695] [2021-11-20 23:17:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:15,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:17:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-20 23:17:17,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:17:17,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079688695] [2021-11-20 23:17:17,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079688695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:17,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:17,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:17:17,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804975045] [2021-11-20 23:17:17,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:17,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:17:17,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:17:17,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:17:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:17:17,852 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) [2021-11-20 23:17:21,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:23,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:27,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:34,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:17:34,109 INFO L93 Difference]: Finished difference Result 14662 states and 21466 transitions. [2021-11-20 23:17:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:17:34,117 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 [2021-11-20 23:17:34,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:17:34,259 INFO L225 Difference]: With dead ends: 14662 [2021-11-20 23:17:34,259 INFO L226 Difference]: Without dead ends: 9777 [2021-11-20 23:17:34,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:17:34,301 INFO L933 BasicCegarLoop]: 7787 mSDtfsCounter, 7004 mSDsluCounter, 7278 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 13969 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:17:34,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7008 Valid, 13969 Invalid, 2297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2279 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2021-11-20 23:17:34,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9777 states. [2021-11-20 23:17:35,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9776. [2021-11-20 23:17:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9776 states, 5918 states have (on average 1.3210544102737412) internal successors, (7818), 6108 states have internal predecessors, (7818), 3234 states have call successors, (3234), 625 states have call predecessors, (3234), 623 states have return successors, (3230), 3113 states have call predecessors, (3230), 3230 states have call successors, (3230) [2021-11-20 23:17:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9776 states to 9776 states and 14282 transitions. [2021-11-20 23:17:35,213 INFO L78 Accepts]: Start accepts. Automaton has 9776 states and 14282 transitions. Word has length 819 [2021-11-20 23:17:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:17:35,225 INFO L470 AbstractCegarLoop]: Abstraction has 9776 states and 14282 transitions. [2021-11-20 23:17:35,226 INFO L471 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) [2021-11-20 23:17:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9776 states and 14282 transitions. [2021-11-20 23:17:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2021-11-20 23:17:35,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:17:35,296 INFO L514 BasicCegarLoop]: 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] [2021-11-20 23:17:35,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:17:35,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:17:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:17:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash 950323639, now seen corresponding path program 1 times [2021-11-20 23:17:35,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:17:35,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524679116] [2021-11-20 23:17:35,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:17:35,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:17:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:17:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 25770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2021-11-20 23:17:37,283 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:17:37,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524679116] [2021-11-20 23:17:37,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524679116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:17:37,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:17:37,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:17:37,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036398190] [2021-11-20 23:17:37,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:17:37,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:17:37,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:17:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:17:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:17:37,290 INFO L87 Difference]: Start difference. First operand 9776 states and 14282 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) [2021-11-20 23:17:40,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:43,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:44,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:47,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:53,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:03,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:06,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:06,648 INFO L93 Difference]: Finished difference Result 14498 states and 20715 transitions. [2021-11-20 23:18:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:18:06,649 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 [2021-11-20 23:18:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:06,775 INFO L225 Difference]: With dead ends: 14498 [2021-11-20 23:18:06,775 INFO L226 Difference]: Without dead ends: 14494 [2021-11-20 23:18:06,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:18:06,789 INFO L933 BasicCegarLoop]: 7079 mSDtfsCounter, 7102 mSDsluCounter, 19691 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7109 SdHoareTripleChecker+Valid, 24067 SdHoareTripleChecker+Invalid, 3869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:06,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7109 Valid, 24067 Invalid, 3869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3866 Invalid, 2 Unknown, 0 Unchecked, 28.5s Time] [2021-11-20 23:18:06,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14494 states. [2021-11-20 23:18:07,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14494 to 14492. [2021-11-20 23:18:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14492 states, 8634 states have (on average 1.2996293722492471) internal successors, (11221), 8985 states have internal predecessors, (11221), 4744 states have call successors, (4744), 1116 states have call predecessors, (4744), 1113 states have return successors, (4744), 4513 states have call predecessors, (4744), 4740 states have call successors, (4744) [2021-11-20 23:18:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14492 states to 14492 states and 20709 transitions. [2021-11-20 23:18:07,834 INFO L78 Accepts]: Start accepts. Automaton has 14492 states and 20709 transitions. Word has length 858 [2021-11-20 23:18:07,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:07,837 INFO L470 AbstractCegarLoop]: Abstraction has 14492 states and 20709 transitions. [2021-11-20 23:18:07,837 INFO L471 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) [2021-11-20 23:18:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 14492 states and 20709 transitions. [2021-11-20 23:18:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2021-11-20 23:18:07,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:07,874 INFO L514 BasicCegarLoop]: 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] [2021-11-20 23:18:07,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:18:07,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:07,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash 766641583, now seen corresponding path program 1 times [2021-11-20 23:18:07,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:07,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153776365] [2021-11-20 23:18:07,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:07,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:18:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25772 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25770 trivial. 0 not checked. [2021-11-20 23:18:09,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:18:09,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153776365] [2021-11-20 23:18:09,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153776365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:18:09,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:18:09,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:18:09,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827414675] [2021-11-20 23:18:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:18:09,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:18:09,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:18:09,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:18:09,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:18:09,924 INFO L87 Difference]: Start difference. First operand 14492 states and 20709 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) [2021-11-20 23:18:13,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:18,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:27,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:28,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:35,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:39,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:39,211 INFO L93 Difference]: Finished difference Result 28564 states and 41583 transitions. [2021-11-20 23:18:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:18:39,212 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 [2021-11-20 23:18:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:39,408 INFO L225 Difference]: With dead ends: 28564 [2021-11-20 23:18:39,408 INFO L226 Difference]: Without dead ends: 28542 [2021-11-20 23:18:39,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:18:39,430 INFO L933 BasicCegarLoop]: 7953 mSDtfsCounter, 7178 mSDsluCounter, 25335 mSDsCounter, 0 mSdLazyCounter, 4523 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7182 SdHoareTripleChecker+Valid, 29907 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4523 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:39,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7182 Valid, 29907 Invalid, 4531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 4523 Invalid, 4 Unknown, 0 Unchecked, 28.4s Time] [2021-11-20 23:18:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28542 states. [2021-11-20 23:18:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28542 to 28449. [2021-11-20 23:18:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28449 states, 16979 states have (on average 1.302668001649096) internal successors, (22118), 17693 states have internal predecessors, (22118), 9279 states have call successors, (9279), 2199 states have call predecessors, (9279), 2190 states have return successors, (10043), 8802 states have call predecessors, (10043), 9275 states have call successors, (10043) [2021-11-20 23:18:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28449 states to 28449 states and 41440 transitions. [2021-11-20 23:18:41,550 INFO L78 Accepts]: Start accepts. Automaton has 28449 states and 41440 transitions. Word has length 863 [2021-11-20 23:18:41,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:41,552 INFO L470 AbstractCegarLoop]: Abstraction has 28449 states and 41440 transitions. [2021-11-20 23:18:41,553 INFO L471 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) [2021-11-20 23:18:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 28449 states and 41440 transitions. [2021-11-20 23:18:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013 [2021-11-20 23:18:41,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:41,732 INFO L514 BasicCegarLoop]: trace histogram [85, 80, 80, 80, 80, 80, 80, 3, 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] [2021-11-20 23:18:41,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:18:41,733 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:41,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash 178253247, now seen corresponding path program 1 times [2021-11-20 23:18:41,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:41,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948957862] [2021-11-20 23:18:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:41,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:18:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 26122 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26114 trivial. 0 not checked. [2021-11-20 23:18:43,561 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:18:43,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948957862] [2021-11-20 23:18:43,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948957862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:18:43,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:18:43,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:18:43,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052798268] [2021-11-20 23:18:43,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:18:43,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:18:43,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:18:43,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:18:43,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:18:43,566 INFO L87 Difference]: Start difference. First operand 28449 states and 41440 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) [2021-11-20 23:18:46,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:49,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:51,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:01,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:01,421 INFO L93 Difference]: Finished difference Result 66060 states and 96491 transitions. [2021-11-20 23:19:01,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:19:01,422 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 1012 [2021-11-20 23:19:01,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:01,654 INFO L225 Difference]: With dead ends: 66060 [2021-11-20 23:19:01,655 INFO L226 Difference]: Without dead ends: 37772 [2021-11-20 23:19:01,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:01,820 INFO L933 BasicCegarLoop]: 7878 mSDtfsCounter, 6919 mSDsluCounter, 7258 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6926 SdHoareTripleChecker+Valid, 14038 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:01,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6926 Valid, 14038 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2313 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2021-11-20 23:19:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37772 states. [2021-11-20 23:19:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37772 to 37740. [2021-11-20 23:19:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37740 states, 22641 states have (on average 1.307760257939137) internal successors, (29609), 23556 states have internal predecessors, (29609), 12292 states have call successors, (12292), 2816 states have call predecessors, (12292), 2806 states have return successors, (13299), 11685 states have call predecessors, (13299), 12288 states have call successors, (13299) [2021-11-20 23:19:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37740 states to 37740 states and 55200 transitions. [2021-11-20 23:19:04,623 INFO L78 Accepts]: Start accepts. Automaton has 37740 states and 55200 transitions. Word has length 1012 [2021-11-20 23:19:04,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:04,625 INFO L470 AbstractCegarLoop]: Abstraction has 37740 states and 55200 transitions. [2021-11-20 23:19:04,625 INFO L471 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) [2021-11-20 23:19:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 37740 states and 55200 transitions. [2021-11-20 23:19:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-11-20 23:19:04,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:04,783 INFO L514 BasicCegarLoop]: 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, 1] [2021-11-20 23:19:04,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:19:04,783 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2092662667, now seen corresponding path program 1 times [2021-11-20 23:19:04,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:04,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308340174] [2021-11-20 23:19:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:04,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 26128 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26120 trivial. 0 not checked. [2021-11-20 23:19:06,396 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:06,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308340174] [2021-11-20 23:19:06,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308340174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:06,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:06,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:19:06,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243692598] [2021-11-20 23:19:06,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:06,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:19:06,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:19:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:19:06,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:06,400 INFO L87 Difference]: Start difference. First operand 37740 states and 55200 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2021-11-20 23:19:10,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:22,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:22,402 INFO L93 Difference]: Finished difference Result 98617 states and 144280 transitions. [2021-11-20 23:19:22,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:19:22,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 1020 [2021-11-20 23:19:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:22,829 INFO L225 Difference]: With dead ends: 98617 [2021-11-20 23:19:22,829 INFO L226 Difference]: Without dead ends: 61038 [2021-11-20 23:19:22,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:22,996 INFO L933 BasicCegarLoop]: 7763 mSDtfsCounter, 6943 mSDsluCounter, 7261 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6947 SdHoareTripleChecker+Valid, 13929 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:22,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6947 Valid, 13929 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2269 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2021-11-20 23:19:23,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61038 states. [2021-11-20 23:19:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61038 to 61008. [2021-11-20 23:19:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61008 states, 36629 states have (on average 1.3080619181522837) internal successors, (47913), 38110 states have internal predecessors, (47913), 19862 states have call successors, (19862), 4533 states have call predecessors, (19862), 4516 states have return successors, (21456), 18878 states have call predecessors, (21456), 19858 states have call successors, (21456) [2021-11-20 23:19:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61008 states to 61008 states and 89231 transitions. [2021-11-20 23:19:26,683 INFO L78 Accepts]: Start accepts. Automaton has 61008 states and 89231 transitions. Word has length 1020 [2021-11-20 23:19:26,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:26,684 INFO L470 AbstractCegarLoop]: Abstraction has 61008 states and 89231 transitions. [2021-11-20 23:19:26,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2021-11-20 23:19:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 61008 states and 89231 transitions. [2021-11-20 23:19:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1012 [2021-11-20 23:19:26,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:26,908 INFO L514 BasicCegarLoop]: 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] [2021-11-20 23:19:26,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:19:26,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:26,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash 465032016, now seen corresponding path program 1 times [2021-11-20 23:19:26,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:26,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389076834] [2021-11-20 23:19:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:26,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 26129 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26121 trivial. 0 not checked. [2021-11-20 23:19:28,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:28,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389076834] [2021-11-20 23:19:28,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389076834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:28,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:28,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:19:28,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799907352] [2021-11-20 23:19:28,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:28,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:19:28,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:19:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:19:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:28,380 INFO L87 Difference]: Start difference. First operand 61008 states and 89231 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2021-11-20 23:19:31,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:33,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:35,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:48,704 INFO L93 Difference]: Finished difference Result 167664 states and 245969 transitions. [2021-11-20 23:19:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:19:48,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 1011 [2021-11-20 23:19:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:49,482 INFO L225 Difference]: With dead ends: 167664 [2021-11-20 23:19:49,483 INFO L226 Difference]: Without dead ends: 106817 [2021-11-20 23:19:49,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:49,933 INFO L933 BasicCegarLoop]: 8222 mSDtfsCounter, 6837 mSDsluCounter, 7220 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6843 SdHoareTripleChecker+Valid, 14361 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:49,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6843 Valid, 14361 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2447 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2021-11-20 23:19:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106817 states. [2021-11-20 23:19:54,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106817 to 106769. [2021-11-20 23:19:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106769 states, 64350 states have (on average 1.3111421911421912) internal successors, (84372), 66842 states have internal predecessors, (84372), 34846 states have call successors, (34846), 7602 states have call predecessors, (34846), 7572 states have return successors, (37433), 33196 states have call predecessors, (37433), 34842 states have call successors, (37433) [2021-11-20 23:19:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106769 states to 106769 states and 156651 transitions. [2021-11-20 23:19:55,819 INFO L78 Accepts]: Start accepts. Automaton has 106769 states and 156651 transitions. Word has length 1011 [2021-11-20 23:19:55,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:55,819 INFO L470 AbstractCegarLoop]: Abstraction has 106769 states and 156651 transitions. [2021-11-20 23:19:55,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2021-11-20 23:19:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 106769 states and 156651 transitions. [2021-11-20 23:19:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2021-11-20 23:19:56,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:56,593 INFO L514 BasicCegarLoop]: trace histogram [86, 80, 80, 80, 80, 80, 80, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:56,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:19:56,594 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -575453351, now seen corresponding path program 1 times [2021-11-20 23:19:56,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:56,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236210771] [2021-11-20 23:19:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:56,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 26318 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 26291 trivial. 0 not checked. [2021-11-20 23:19:57,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:57,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236210771] [2021-11-20 23:19:57,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236210771] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:19:57,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419001152] [2021-11-20 23:19:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:57,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:19:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:19:57,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:19:58,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dddef78-4d22-43ea-8a1a-2aae8a90772b/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:20:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:20:02,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 21806 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:20:02,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:20:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 26318 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 25805 trivial. 0 not checked. [2021-11-20 23:20:05,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:20:05,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419001152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:20:05,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:20:05,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 23:20:05,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961900936] [2021-11-20 23:20:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:20:05,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:20:05,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:20:05,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:20:05,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:20:05,158 INFO L87 Difference]: Start difference. First operand 106769 states and 156651 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-20 23:20:07,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:20:09,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:20:11,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:20:15,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:20:24,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:20:27,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:20:27,932 INFO L93 Difference]: Finished difference Result 264303 states and 389037 transitions. [2021-11-20 23:20:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:20:27,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1035 [2021-11-20 23:20:27,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:20:29,202 INFO L225 Difference]: With dead ends: 264303 [2021-11-20 23:20:29,203 INFO L226 Difference]: Without dead ends: 180518 [2021-11-20 23:20:29,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1039 GetRequests, 1036 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:20:29,601 INFO L933 BasicCegarLoop]: 7883 mSDtfsCounter, 6849 mSDsluCounter, 7229 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6855 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:20:29,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6855 Valid, 14017 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2313 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2021-11-20 23:20:29,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180518 states.