./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:43:10,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:43:10,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:43:10,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:43:10,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:43:10,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:43:10,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:43:10,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:43:10,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:43:10,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:43:10,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:43:10,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:43:10,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:43:10,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:43:10,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:43:10,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:43:10,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:43:10,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:43:10,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:43:10,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:43:10,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:43:10,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:43:10,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:43:10,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:43:10,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:43:10,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:43:10,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:43:10,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:43:10,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:43:10,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:43:10,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:43:10,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:43:10,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:43:10,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:43:10,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:43:10,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:43:10,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:43:10,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:43:10,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:43:10,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:43:10,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:43:10,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:43:10,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:43:10,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:43:10,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:43:10,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:43:10,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:43:10,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:43:10,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:43:10,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:43:10,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:43:10,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:43:10,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:43:10,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:43:10,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:43:10,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:43:10,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:43:10,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:43:10,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:43:10,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:43:10,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:43:10,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:43:10,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:43:10,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:43:10,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:43:10,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:43:10,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:43:10,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:43:10,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:43:10,992 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:43:10,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:43:10,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:43:10,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2022-11-20 12:43:11,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:43:11,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:43:11,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:43:11,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:43:11,393 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:43:11,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2022-11-20 12:43:14,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:43:15,905 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:43:15,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2022-11-20 12:43:15,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/e1d1f2664/1f025764a7bb4154954bb7edcc975ea8/FLAGe49368417 [2022-11-20 12:43:16,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/e1d1f2664/1f025764a7bb4154954bb7edcc975ea8 [2022-11-20 12:43:16,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:43:16,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:43:16,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:43:16,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:43:16,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:43:16,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:16" (1/1) ... [2022-11-20 12:43:16,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b763c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:16, skipping insertion in model container [2022-11-20 12:43:16,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:16" (1/1) ... [2022-11-20 12:43:16,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:43:16,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:43:17,817 WARN L237 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_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2022-11-20 12:43:20,828 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 12:43:20,834 INFO L158 Benchmark]: Toolchain (without parser) took 4805.01ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 94.8MB in the beginning and 123.3MB in the end (delta: -28.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-11-20 12:43:20,835 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 117.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:43:20,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4799.07ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 94.8MB in the beginning and 123.3MB in the end (delta: -28.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-11-20 12:43:20,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 117.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4799.07ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 94.8MB in the beginning and 123.3MB in the end (delta: -28.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:43:23,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:43:23,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:43:23,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:43:23,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:43:23,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:43:23,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:43:23,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:43:23,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:43:23,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:43:23,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:43:23,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:43:23,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:43:23,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:43:23,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:43:23,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:43:23,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:43:23,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:43:23,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:43:23,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:43:23,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:43:23,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:43:23,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:43:23,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:43:23,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:43:23,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:43:23,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:43:23,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:43:23,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:43:23,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:43:23,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:43:23,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:43:23,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:43:23,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:43:23,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:43:23,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:43:23,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:43:23,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:43:23,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:43:23,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:43:23,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:43:23,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:43:23,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:43:23,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:43:23,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:43:23,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:43:23,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:43:23,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:43:23,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:43:23,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:43:23,749 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:43:23,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:43:23,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:43:23,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:43:23,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:43:23,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:43:23,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:43:23,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:43:23,751 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:43:23,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:43:23,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:43:23,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:43:23,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:43:23,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:43:23,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:43:23,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:43:23,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:43:23,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:43:23,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:43:23,754 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:43:23,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:43:23,754 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:43:23,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:43:23,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:43:23,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:43:23,755 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2022-11-20 12:43:24,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:43:24,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:43:24,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:43:24,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:43:24,211 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:43:24,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2022-11-20 12:43:27,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:43:28,768 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:43:28,769 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2022-11-20 12:43:28,892 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/737f8737f/2bee10407feb47f7b997a3b93605b616/FLAG2cd47f004 [2022-11-20 12:43:28,919 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/data/737f8737f/2bee10407feb47f7b997a3b93605b616 [2022-11-20 12:43:28,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:43:28,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:43:28,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:43:28,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:43:28,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:43:28,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:28" (1/1) ... [2022-11-20 12:43:28,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53337baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:28, skipping insertion in model container [2022-11-20 12:43:28,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:28" (1/1) ... [2022-11-20 12:43:28,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:43:29,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:43:30,671 WARN L237 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_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2022-11-20 12:43:35,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:43:35,797 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:43:36,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:43:36,358 WARN L237 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_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2022-11-20 12:43:37,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:43:37,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:43:37,592 WARN L237 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_42fe9da0-44b2-4f50-a880-286a4a6ae943/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2022-11-20 12:43:38,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:43:38,790 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:43:38,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38 WrapperNode [2022-11-20 12:43:38,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:43:38,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:43:38,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:43:38,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:43:38,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:39,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:39,725 INFO L138 Inliner]: procedures = 491, calls = 9547, calls flagged for inlining = 212, calls inlined = 205, statements flattened = 20179 [2022-11-20 12:43:39,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:43:39,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:43:39,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:43:39,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:43:39,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:39,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:39,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:39,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:43:40,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:43:40,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:43:40,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:43:40,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (1/1) ... [2022-11-20 12:43:40,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:43:40,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:40,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:40,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:43:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_config_rf_radio_a [2022-11-20 12:43:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_config_rf_radio_a [2022-11-20 12:43:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure phy_similarity_cmp [2022-11-20 12:43:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_similarity_cmp [2022-11-20 12:43:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_init_led [2022-11-20 12:43:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_init_led [2022-11-20 12:43:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_path_adda_on [2022-11-20 12:43:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_path_adda_on [2022-11-20 12:43:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_btc_status [2022-11-20 12:43:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_btc_status [2022-11-20 12:43:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure phy_conv_dbm_to_rel [2022-11-20 12:43:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_conv_dbm_to_rel [2022-11-20 12:43:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 12:43:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 12:43:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_reload_adda_registers [2022-11-20 12:43:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_reload_adda_registers [2022-11-20 12:43:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:43:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:43:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_hw_init [2022-11-20 12:43:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_hw_init [2022-11-20 12:43:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-20 12:43:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-20 12:43:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-20 12:43:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-20 12:43:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 12:43:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 12:43:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure phy_get_txpwr_by_rate_base [2022-11-20 12:43:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_get_txpwr_by_rate_base [2022-11-20 12:43:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-20 12:43:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-20 12:43:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_hal_rate_tbl [2022-11-20 12:43:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_hal_rate_tbl [2022-11-20 12:43:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-20 12:43:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-20 12:43:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:43:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:43:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~bool~0 [2022-11-20 12:43:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~bool~0 [2022-11-20 12:43:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:43:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:43:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_watchdog [2022-11-20 12:43:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_watchdog [2022-11-20 12:43:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-20 12:43:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-20 12:43:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_gpio_radio_on_off_checking [2022-11-20 12:43:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_gpio_radio_on_off_checking [2022-11-20 12:43:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_rx_query_desc [2022-11-20 12:43:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_rx_query_desc [2022-11-20 12:43:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-20 12:43:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_rf_serial_read [2022-11-20 12:43:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_rf_serial_read [2022-11-20 12:43:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:43:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:43:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_bcn_ctrl_reg [2022-11-20 12:43:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_bcn_ctrl_reg [2022-11-20 12:43:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_resume_tx_beacon [2022-11-20 12:43:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_resume_tx_beacon [2022-11-20 12:43:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_query_bb_reg [2022-11-20 12:43:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_query_bb_reg [2022-11-20 12:43:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:43:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:43:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:43:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:43:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:43:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_config_bb_with_headerfile [2022-11-20 12:43:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_config_bb_with_headerfile [2022-11-20 12:43:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_calculate_bit_shift [2022-11-20 12:43:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_calculate_bit_shift [2022-11-20 12:43:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-20 12:43:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-20 12:43:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:43:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:43:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-20 12:43:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-20 12:43:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-20 12:43:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-20 12:43:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:43:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:43:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-20 12:43:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-20 12:43:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:43:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:43:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_resume [2022-11-20 12:43:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_resume [2022-11-20 12:43:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:43:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:43:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_fw_rsvdpagepkt [2022-11-20 12:43:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_fw_rsvdpagepkt [2022-11-20 12:43:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_23 [2022-11-20 12:43:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_23 [2022-11-20 12:43:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 12:43:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 12:43:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_dm_init_edca_turbo [2022-11-20 12:43:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_dm_init_edca_turbo [2022-11-20 12:43:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_leds [2022-11-20 12:43:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_leds [2022-11-20 12:43:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_interrupt_recognized [2022-11-20 12:43:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_interrupt_recognized [2022-11-20 12:43:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-20 12:43:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-20 12:43:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_on [2022-11-20 12:43:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_on [2022-11-20 12:43:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-20 12:43:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-20 12:43:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 12:43:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 12:43:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_set_txpower_index [2022-11-20 12:43:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_set_txpower_index [2022-11-20 12:43:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_hw_security_config [2022-11-20 12:43:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_hw_security_config [2022-11-20 12:43:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_query_rf_reg [2022-11-20 12:43:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_query_rf_reg [2022-11-20 12:43:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-20 12:43:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_save_adda_registers [2022-11-20 12:43:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_save_adda_registers [2022-11-20 12:43:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 12:43:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 12:43:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_polling [2022-11-20 12:43:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_polling [2022-11-20 12:43:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:43:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_cmd_send_packet [2022-11-20 12:43:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_cmd_send_packet [2022-11-20 12:43:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_led_control [2022-11-20 12:43:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_led_control [2022-11-20 12:43:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_check_bssid [2022-11-20 12:43:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_check_bssid [2022-11-20 12:43:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:43:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_disable_interrupt [2022-11-20 12:43:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_disable_interrupt [2022-11-20 12:43:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:43:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:43:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:43:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:43:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:43:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_hw_reg [2022-11-20 12:43:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_hw_reg [2022-11-20 12:43:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:43:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:43:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:43:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:43:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_hdr [2022-11-20 12:43:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_hdr [2022-11-20 12:43:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hal_pwrseqcmdparsing [2022-11-20 12:43:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hal_pwrseqcmdparsing [2022-11-20 12:43:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_sw_chnl [2022-11-20 12:43:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_sw_chnl [2022-11-20 12:43:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 12:43:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 12:43:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_interrupt [2022-11-20 12:43:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_interrupt [2022-11-20 12:43:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_off [2022-11-20 12:43:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_off [2022-11-20 12:43:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_off [2022-11-20 12:43:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_off [2022-11-20 12:43:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-20 12:43:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-20 12:43:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:43:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:43:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:43:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_desc [2022-11-20 12:43:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_desc [2022-11-20 12:43:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_power_state [2022-11-20 12:43:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_power_state [2022-11-20 12:43:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-20 12:43:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-20 12:43:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:43:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_media_status [2022-11-20 12:43:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_media_status [2022-11-20 12:43:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:43:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:43:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:43:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:43:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:43:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:43:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:43:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_qos [2022-11-20 12:43:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_qos [2022-11-20 12:43:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-20 12:43:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-20 12:43:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-20 12:43:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-20 12:43:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_txpower_level [2022-11-20 12:43:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_txpower_level [2022-11-20 12:43:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-20 12:43:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-20 12:43:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_sw_chnl_cmdarray [2022-11-20 12:43:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_sw_chnl_cmdarray [2022-11-20 12:43:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 12:43:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 12:43:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_suspend [2022-11-20 12:43:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_suspend [2022-11-20 12:43:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_check_txpower_tracking [2022-11-20 12:43:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_check_txpower_tracking [2022-11-20 12:43:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_ps_rf_on [2022-11-20 12:43:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_ps_rf_on [2022-11-20 12:43:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_scan_operation_backup [2022-11-20 12:43:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_scan_operation_backup [2022-11-20 12:43:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 12:43:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 12:43:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_iq_calibrate [2022-11-20 12:43:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_iq_calibrate [2022-11-20 12:43:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_iqk_matrix [2022-11-20 12:43:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_iqk_matrix [2022-11-20 12:43:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_key [2022-11-20 12:43:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_key [2022-11-20 12:43:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-20 12:43:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-20 12:43:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-20 12:43:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-20 12:43:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-20 12:43:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-20 12:43:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:43:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:43:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-20 12:43:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-20 12:43:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 12:43:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 12:43:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-20 12:43:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-20 12:43:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:43:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:43:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:43:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:43:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2022-11-20 12:43:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2022-11-20 12:43:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_channel_access_setting [2022-11-20 12:43:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_channel_access_setting [2022-11-20 12:43:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:43:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_tx_power_track_set_power [2022-11-20 12:43:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_tx_power_track_set_power [2022-11-20 12:43:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_vars [2022-11-20 12:43:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_vars [2022-11-20 12:43:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_desc [2022-11-20 12:43:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_desc [2022-11-20 12:43:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure phy_set_txpwr_by_rate_base [2022-11-20 12:43:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_set_txpwr_by_rate_base [2022-11-20 12:43:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:43:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-20 12:43:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-20 12:43:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_pi_mode_switch [2022-11-20 12:43:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_pi_mode_switch [2022-11-20 12:43:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_hw_reg [2022-11-20 12:43:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_hw_reg [2022-11-20 12:43:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-20 12:43:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-20 12:43:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 12:43:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 12:43:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:43:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:43:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:43:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:43:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_enter [2022-11-20 12:43:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_enter [2022-11-20 12:43:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_leave [2022-11-20 12:43:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_leave [2022-11-20 12:43:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:43:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_get_txpower_index [2022-11-20 12:43:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_get_txpower_index [2022-11-20 12:43:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2022-11-20 12:43:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2022-11-20 12:43:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 12:43:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 12:43:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_related_registers [2022-11-20 12:43:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_related_registers [2022-11-20 12:43:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_reg [2022-11-20 12:43:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_reg [2022-11-20 12:43:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_desc [2022-11-20 12:43:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_desc [2022-11-20 12:43:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_stop_tx_beacon [2022-11-20 12:43:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_stop_tx_beacon [2022-11-20 12:43:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_deinit_sw_vars [2022-11-20 12:43:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_deinit_sw_vars [2022-11-20 12:43:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:43:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:43:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-20 12:43:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-20 12:43:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-20 12:43:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-20 12:43:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-20 12:43:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-20 12:43:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 12:43:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 12:43:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_card_disable [2022-11-20 12:43:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_card_disable [2022-11-20 12:43:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 12:43:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 12:43:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_interrupt_mask [2022-11-20 12:43:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_interrupt_mask [2022-11-20 12:43:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-20 12:43:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-20 12:43:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-20 12:43:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-20 12:43:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_network_type [2022-11-20 12:43:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_network_type [2022-11-20 12:43:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:43:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:43:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:43:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:43:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:43:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:43:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-20 12:43:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-20 12:43:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-20 12:43:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-20 12:43:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_bw_mode [2022-11-20 12:43:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_bw_mode [2022-11-20 12:43:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_header [2022-11-20 12:43:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_header [2022-11-20 12:43:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 12:43:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 12:43:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 12:43:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 12:43:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 12:43:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 12:43:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_read_eeprom_info [2022-11-20 12:43:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_read_eeprom_info [2022-11-20 12:43:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_interval [2022-11-20 12:43:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_interval [2022-11-20 12:43:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-20 12:43:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-20 12:43:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_is_tx_desc_closed [2022-11-20 12:43:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_is_tx_desc_closed [2022-11-20 12:43:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_llt_write [2022-11-20 12:43:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_llt_write [2022-11-20 12:43:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_bb_delay [2022-11-20 12:43:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_bb_delay [2022-11-20 12:43:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_bb_reg [2022-11-20 12:43:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_bb_reg [2022-11-20 12:43:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_on [2022-11-20 12:43:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_on [2022-11-20 12:43:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-20 12:43:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-20 12:43:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_fw_read_last_h2c [2022-11-20 12:43:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_fw_read_last_h2c [2022-11-20 12:43:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 12:43:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 12:43:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:43:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:43:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_lc_calibrate [2022-11-20 12:43:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_lc_calibrate [2022-11-20 12:43:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_condition [2022-11-20 12:43:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_condition [2022-11-20 12:43:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_cmddesc [2022-11-20 12:43:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_cmddesc [2022-11-20 12:43:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-20 12:43:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-20 12:43:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_config_rf_with_headerfile [2022-11-20 12:43:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_config_rf_with_headerfile [2022-11-20 12:43:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-20 12:43:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_fill_h2c_cmd [2022-11-20 12:43:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_fill_h2c_cmd [2022-11-20 12:43:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-20 12:43:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-20 12:43:43,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:43:43,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:43:44,908 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:53:56,546 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:53:56,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:53:56,597 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 12:53:56,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:53:56 BoogieIcfgContainer [2022-11-20 12:53:56,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:53:56,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:53:56,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:53:56,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:53:56,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:43:28" (1/3) ... [2022-11-20 12:53:56,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe502d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:53:56, skipping insertion in model container [2022-11-20 12:53:56,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:38" (2/3) ... [2022-11-20 12:53:56,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe502d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:53:56, skipping insertion in model container [2022-11-20 12:53:56,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:53:56" (3/3) ... [2022-11-20 12:53:56,621 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2022-11-20 12:53:56,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:53:56,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:53:56,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:53:56,820 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65dfc667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:53:56,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:53:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 6209 states, 4320 states have (on average 1.4194444444444445) internal successors, (6132), 4468 states have internal predecessors, (6132), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) [2022-11-20 12:53:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-20 12:53:56,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:53:56,871 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:53:56,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:53:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:53:56,878 INFO L85 PathProgramCache]: Analyzing trace with hash -457460329, now seen corresponding path program 1 times [2022-11-20 12:53:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:53:56,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941699662] [2022-11-20 12:53:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:53:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:53:56,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:53:56,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:53:56,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:54:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:54:19,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 10723 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:54:19,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:54:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2022-11-20 12:54:19,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:54:19,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:54:19,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941699662] [2022-11-20 12:54:19,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941699662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:54:19,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:54:19,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:54:19,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946681496] [2022-11-20 12:54:19,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:54:19,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:54:19,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:54:19,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:54:19,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:54:19,632 INFO L87 Difference]: Start difference. First operand has 6209 states, 4320 states have (on average 1.4194444444444445) internal successors, (6132), 4468 states have internal predecessors, (6132), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 12:54:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:54:21,187 INFO L93 Difference]: Finished difference Result 10449 states and 16218 transitions. [2022-11-20 12:54:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:54:21,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 227 [2022-11-20 12:54:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:54:21,260 INFO L225 Difference]: With dead ends: 10449 [2022-11-20 12:54:21,260 INFO L226 Difference]: Without dead ends: 5009 [2022-11-20 12:54:21,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:54:21,314 INFO L413 NwaCegarLoop]: 8007 mSDtfsCounter, 2 mSDsluCounter, 15990 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23997 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:54:21,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23997 Invalid, 51 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:54:21,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5009 states. [2022-11-20 12:54:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5009 to 5009. [2022-11-20 12:54:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5009 states, 3572 states have (on average 1.4196528555431132) internal successors, (5071), 3681 states have internal predecessors, (5071), 1301 states have call successors, (1301), 136 states have call predecessors, (1301), 135 states have return successors, (1300), 1241 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-11-20 12:54:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 5009 states and 7672 transitions. [2022-11-20 12:54:21,983 INFO L78 Accepts]: Start accepts. Automaton has 5009 states and 7672 transitions. Word has length 227 [2022-11-20 12:54:21,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:54:21,987 INFO L495 AbstractCegarLoop]: Abstraction has 5009 states and 7672 transitions. [2022-11-20 12:54:21,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 12:54:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 7672 transitions. [2022-11-20 12:54:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 12:54:22,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:54:22,002 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:54:22,202 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-11-20 12:54:22,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:54:22,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:54:22,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:54:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:54:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash 342480631, now seen corresponding path program 1 times [2022-11-20 12:54:22,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:54:22,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173800649] [2022-11-20 12:54:22,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:54:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:54:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:54:22,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:54:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:54:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:54:49,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 10877 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:54:49,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:54:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 243 proven. 1 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2022-11-20 12:54:49,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:54:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-11-20 12:54:51,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:54:51,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173800649] [2022-11-20 12:54:51,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173800649] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:54:51,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:54:51,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:54:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631169233] [2022-11-20 12:54:51,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:54:51,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:54:51,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:54:51,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:54:51,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:54:51,404 INFO L87 Difference]: Start difference. First operand 5009 states and 7672 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-20 12:54:55,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:54:55,825 INFO L93 Difference]: Finished difference Result 9985 states and 15406 transitions. [2022-11-20 12:54:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:54:55,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 241 [2022-11-20 12:54:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:54:55,885 INFO L225 Difference]: With dead ends: 9985 [2022-11-20 12:54:55,885 INFO L226 Difference]: Without dead ends: 5023 [2022-11-20 12:54:55,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:54:55,933 INFO L413 NwaCegarLoop]: 7654 mSDtfsCounter, 20 mSDsluCounter, 15295 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22949 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:54:55,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22949 Invalid, 154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 12:54:55,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-11-20 12:54:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 5023. [2022-11-20 12:54:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5023 states, 3584 states have (on average 1.4196428571428572) internal successors, (5088), 3693 states have internal predecessors, (5088), 1301 states have call successors, (1301), 138 states have call predecessors, (1301), 137 states have return successors, (1300), 1241 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-11-20 12:54:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5023 states to 5023 states and 7689 transitions. [2022-11-20 12:54:56,370 INFO L78 Accepts]: Start accepts. Automaton has 5023 states and 7689 transitions. Word has length 241 [2022-11-20 12:54:56,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:54:56,373 INFO L495 AbstractCegarLoop]: Abstraction has 5023 states and 7689 transitions. [2022-11-20 12:54:56,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-20 12:54:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 5023 states and 7689 transitions. [2022-11-20 12:54:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-20 12:54:56,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:54:56,380 INFO L195 NwaCegarLoop]: trace histogram [32, 21, 21, 21, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:54:56,596 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-11-20 12:54:56,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:54:56,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:54:56,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:54:56,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:54:56,708 INFO L85 PathProgramCache]: Analyzing trace with hash -506771705, now seen corresponding path program 2 times [2022-11-20 12:54:56,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:54:56,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656191522] [2022-11-20 12:54:56,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:54:56,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:54:56,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:54:56,730 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:54:56,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:55:18,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:55:18,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:55:19,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 10094 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:55:19,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:55:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2022-11-20 12:55:19,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:55:19,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:55:19,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656191522] [2022-11-20 12:55:19,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656191522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:55:19,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:55:19,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:55:19,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325228839] [2022-11-20 12:55:19,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:55:19,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:55:19,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:55:19,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:55:19,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:55:19,782 INFO L87 Difference]: Start difference. First operand 5023 states and 7689 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-20 12:55:23,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:55:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:55:24,261 INFO L93 Difference]: Finished difference Result 14897 states and 22820 transitions. [2022-11-20 12:55:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:55:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 259 [2022-11-20 12:55:24,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:55:24,366 INFO L225 Difference]: With dead ends: 14897 [2022-11-20 12:55:24,366 INFO L226 Difference]: Without dead ends: 9948 [2022-11-20 12:55:24,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:55:24,410 INFO L413 NwaCegarLoop]: 8942 mSDtfsCounter, 7527 mSDsluCounter, 7657 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7527 SdHoareTripleChecker+Valid, 16599 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:55:24,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7527 Valid, 16599 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 12:55:24,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2022-11-20 12:55:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 9948. [2022-11-20 12:55:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9948 states, 7112 states have (on average 1.422384701912261) internal successors, (10116), 7330 states have internal predecessors, (10116), 2561 states have call successors, (2561), 275 states have call predecessors, (2561), 274 states have return successors, (2560), 2442 states have call predecessors, (2560), 2560 states have call successors, (2560) [2022-11-20 12:55:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9948 states to 9948 states and 15237 transitions. [2022-11-20 12:55:25,398 INFO L78 Accepts]: Start accepts. Automaton has 9948 states and 15237 transitions. Word has length 259 [2022-11-20 12:55:25,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:55:25,401 INFO L495 AbstractCegarLoop]: Abstraction has 9948 states and 15237 transitions. [2022-11-20 12:55:25,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-20 12:55:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 9948 states and 15237 transitions. [2022-11-20 12:55:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-20 12:55:25,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:55:25,408 INFO L195 NwaCegarLoop]: trace histogram [32, 21, 21, 21, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:55:25,627 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 12:55:25,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:55:25,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:55:25,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:55:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:55:25,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2124775571, now seen corresponding path program 1 times [2022-11-20 12:55:25,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:55:25,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769785837] [2022-11-20 12:55:25,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:55:25,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:55:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:55:25,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:55:25,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:56:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:56:16,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 11088 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:56:16,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:56:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2022-11-20 12:56:21,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:56:21,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:56:21,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769785837] [2022-11-20 12:56:21,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769785837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:56:21,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:56:21,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:56:21,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544542775] [2022-11-20 12:56:21,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:56:21,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:56:21,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:56:21,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:56:21,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:56:21,114 INFO L87 Difference]: Start difference. First operand 9948 states and 15237 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 12:56:22,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:56:24,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:56:24,873 INFO L93 Difference]: Finished difference Result 29693 states and 45761 transitions. [2022-11-20 12:56:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:56:24,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 262 [2022-11-20 12:56:24,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:56:25,049 INFO L225 Difference]: With dead ends: 29693 [2022-11-20 12:56:25,049 INFO L226 Difference]: Without dead ends: 19814 [2022-11-20 12:56:25,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:56:25,109 INFO L413 NwaCegarLoop]: 10036 mSDtfsCounter, 7605 mSDsluCounter, 27692 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7605 SdHoareTripleChecker+Valid, 37728 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:56:25,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7605 Valid, 37728 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 12:56:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19814 states. [2022-11-20 12:56:26,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19814 to 19806. [2022-11-20 12:56:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19806 states, 14171 states have (on average 1.4234704678568908) internal successors, (20172), 14607 states have internal predecessors, (20172), 5086 states have call successors, (5086), 549 states have call predecessors, (5086), 548 states have return successors, (5223), 4849 states have call predecessors, (5223), 5085 states have call successors, (5223) [2022-11-20 12:56:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19806 states to 19806 states and 30481 transitions. [2022-11-20 12:56:26,891 INFO L78 Accepts]: Start accepts. Automaton has 19806 states and 30481 transitions. Word has length 262 [2022-11-20 12:56:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:56:26,892 INFO L495 AbstractCegarLoop]: Abstraction has 19806 states and 30481 transitions. [2022-11-20 12:56:26,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 12:56:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 19806 states and 30481 transitions. [2022-11-20 12:56:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2022-11-20 12:56:27,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:56:27,005 INFO L195 NwaCegarLoop]: trace histogram [32, 23, 23, 23, 14, 14, 14, 8, 8, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:56:27,227 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-11-20 12:56:27,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:56:27,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:56:27,305 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:56:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:56:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 260993283, now seen corresponding path program 1 times [2022-11-20 12:56:27,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:56:27,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645495011] [2022-11-20 12:56:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:56:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:56:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:56:27,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:56:27,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fe9da0-44b2-4f50-a880-286a4a6ae943/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process