./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:28:07,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:28:07,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:28:07,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:28:07,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:28:07,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:28:07,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:28:07,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:28:07,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:28:07,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:28:07,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:28:07,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:28:07,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:28:07,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:28:07,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:28:07,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:28:07,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:28:07,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:28:07,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:28:07,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:28:07,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:28:07,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:28:07,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:28:07,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:28:07,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:28:07,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:28:07,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:28:07,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:28:07,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:28:07,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:28:07,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:28:07,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:28:07,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:28:07,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:28:07,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:28:07,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:28:07,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:28:07,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:28:07,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:28:07,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:28:07,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:28:07,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:28:07,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:28:07,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:28:07,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:28:07,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:28:07,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:28:07,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:28:07,886 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:28:07,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:28:07,887 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:28:07,887 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:28:07,887 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:28:07,887 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:28:07,887 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:28:07,888 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:28:07,888 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:28:07,888 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:28:07,888 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:28:07,889 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:28:07,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:28:07,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:28:07,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:28:07,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:28:07,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:28:07,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:28:07,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:28:07,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:28:07,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:28:07,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:28:07,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:28:07,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:07,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:28:07,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:28:07,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:28:07,893 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:28:07,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:28:07,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:28:07,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:28:07,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:28:07,894 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf [2021-11-23 02:28:08,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:28:08,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:28:08,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:28:08,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:28:08,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:28:08,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-23 02:28:08,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/data/ec37436dd/afcb55b6c215482fa15baecd9b60911c/FLAGbc30078e4 [2021-11-23 02:28:09,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:28:09,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-23 02:28:09,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/data/ec37436dd/afcb55b6c215482fa15baecd9b60911c/FLAGbc30078e4 [2021-11-23 02:28:09,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/data/ec37436dd/afcb55b6c215482fa15baecd9b60911c [2021-11-23 02:28:09,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:28:09,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:28:09,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:09,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:28:09,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:28:09,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:09" (1/1) ... [2021-11-23 02:28:09,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c87e5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:09, skipping insertion in model container [2021-11-23 02:28:09,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:09" (1/1) ... [2021-11-23 02:28:09,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:28:09,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:13,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-23 02:28:13,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:13,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:13,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-23 02:28:13,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:14,184 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:14,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14 WrapperNode [2021-11-23 02:28:14,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:14,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:14,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:14,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:14,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,769 INFO L137 Inliner]: procedures = 399, calls = 4674, calls flagged for inlining = 145, calls inlined = 140, statements flattened = 9611 [2021-11-23 02:28:14,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:14,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:14,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:14,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:14,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:15,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:15,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:15,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:15,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:15,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:15,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:15,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:15,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:15,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:15,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:15,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_serialnumber_show [2021-11-23 02:28:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_serialnumber_show [2021-11-23 02:28:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_link [2021-11-23 02:28:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_link [2021-11-23 02:28:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_function [2021-11-23 02:28:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_function [2021-11-23 02:28:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:28:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:28:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_product_store [2021-11-23 02:28:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_product_store [2021-11-23 02:28:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_bmAttributes_store [2021-11-23 02:28:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_bmAttributes_store [2021-11-23 02:28:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2021-11-23 02:28:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2021-11-23 02:28:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure count_ext_prop [2021-11-23 02:28:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure count_ext_prop [2021-11-23 02:28:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:28:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:28:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ext_prop_data_ptr [2021-11-23 02:28:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ext_prop_data_ptr [2021-11-23 02:28:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_release [2021-11-23 02:28:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_release [2021-11-23 02:28:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_composite_bind [2021-11-23 02:28:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_composite_bind [2021-11-23 02:28:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_manufacturer_show [2021-11-23 02:28:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_manufacturer_show [2021-11-23 02:28:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-23 02:28:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-23 02:28:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_attr_store [2021-11-23 02:28:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_attr_store [2021-11-23 02:28:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure composite_dev_prepare [2021-11-23 02:28:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_dev_prepare [2021-11-23 02:28:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure composite_unbind [2021-11-23 02:28:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_unbind [2021-11-23 02:28:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bMaxPacketSize0_show [2021-11-23 02:28:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bMaxPacketSize0_show [2021-11-23 02:28:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_product_show [2021-11-23 02:28:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_product_show [2021-11-23 02:28:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure config_group_init_type_name [2021-11-23 02:28:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure config_group_init_type_name [2021-11-23 02:28:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2021-11-23 02:28:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2021-11-23 02:28:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:28:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:28:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_b_vendor_code_store [2021-11-23 02:28:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_b_vendor_code_store [2021-11-23 02:28:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_use_show [2021-11-23 02:28:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_use_show [2021-11-23 02:28:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_attr_show [2021-11-23 02:28:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_attr_show [2021-11-23 02:28:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_ext_prop_ptr [2021-11-23 02:28:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_ext_prop_ptr [2021-11-23 02:28:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_store [2021-11-23 02:28:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_store [2021-11-23 02:28:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure function_drop [2021-11-23 02:28:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure function_drop [2021-11-23 02:28:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure to_config_usb_cfg [2021-11-23 02:28:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure to_config_usb_cfg [2021-11-23 02:28:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_attr_store [2021-11-23 02:28:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_attr_store [2021-11-23 02:28:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:28:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:28:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:28:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:28:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_gadget [2021-11-23 02:28:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_gadget [2021-11-23 02:28:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_data_show [2021-11-23 02:28:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_data_show [2021-11-23 02:28:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure composite_bind [2021-11-23 02:28:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_bind [2021-11-23 02:28:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:28:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure bos_desc [2021-11-23 02:28:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bos_desc [2021-11-23 02:28:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure composite_disconnect [2021-11-23 02:28:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_disconnect [2021-11-23 02:28:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idProduct_show [2021-11-23 02:28:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idProduct_show [2021-11-23 02:28:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_qw_sign_store [2021-11-23 02:28:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_qw_sign_store [2021-11-23 02:28:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:28:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:28:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_function [2021-11-23 02:28:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_function [2021-11-23 02:28:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:28:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:28:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_MaxPower_show [2021-11-23 02:28:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_MaxPower_show [2021-11-23 02:28:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_UDC_show [2021-11-23 02:28:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_UDC_show [2021-11-23 02:28:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2021-11-23 02:28:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2021-11-23 02:28:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure check_user_usb_string [2021-11-23 02:28:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure check_user_usb_string [2021-11-23 02:28:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure len_ext_prop [2021-11-23 02:28:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure len_ext_prop [2021-11-23 02:28:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_store [2021-11-23 02:28:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_store [2021-11-23 02:28:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:28:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_release [2021-11-23 02:28:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_release [2021-11-23 02:28:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idProduct_store [2021-11-23 02:28:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idProduct_store [2021-11-23 02:28:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceProtocol_show [2021-11-23 02:28:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceProtocol_show [2021-11-23 02:28:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:28:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_configuration_show [2021-11-23 02:28:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_configuration_show [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:28:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_release [2021-11-23 02:28:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_release [2021-11-23 02:28:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_store [2021-11-23 02:28:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_store [2021-11-23 02:28:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure composite_resume [2021-11-23 02:28:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_resume [2021-11-23 02:28:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_composite_unbind [2021-11-23 02:28:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_composite_unbind [2021-11-23 02:28:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:28:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:28:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_data_store [2021-11-23 02:28:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_data_store [2021-11-23 02:28:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure to_cdriver [2021-11-23 02:28:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cdriver [2021-11-23 02:28:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure collect_langs [2021-11-23 02:28:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_langs [2021-11-23 02:28:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_store [2021-11-23 02:28:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_store [2021-11-23 02:28:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure try_get_usb_function_instance [2021-11-23 02:28:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure try_get_usb_function_instance [2021-11-23 02:28:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure count_configs [2021-11-23 02:28:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure count_configs [2021-11-23 02:28:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-23 02:28:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-23 02:28:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:28:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:28:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_all_descriptors [2021-11-23 02:28:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_all_descriptors [2021-11-23 02:28:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_strings_drop [2021-11-23 02:28:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_strings_drop [2021-11-23 02:28:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_show [2021-11-23 02:28:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_show [2021-11-23 02:28:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idVendor_store [2021-11-23 02:28:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idVendor_store [2021-11-23 02:28:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:28:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:28:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure utf8s_to_utf16s [2021-11-23 02:28:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8s_to_utf16s [2021-11-23 02:28:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_b_vendor_code_show [2021-11-23 02:28:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_b_vendor_code_show [2021-11-23 02:28:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_superspeed [2021-11-23 02:28:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_superspeed [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_sub_compatible_id_store [2021-11-23 02:28:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_sub_compatible_id_store [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_dequeue [2021-11-23 02:28:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_dequeue [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure composite_ep0_queue [2021-11-23 02:28:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_ep0_queue [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 02:28:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 02:28:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceClass_store [2021-11-23 02:28:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceClass_store [2021-11-23 02:28:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdUSB_show [2021-11-23 02:28:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdUSB_show [2021-11-23 02:28:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:28:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_UDC_store [2021-11-23 02:28:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_UDC_store [2021-11-23 02:28:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2021-11-23 02:28:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:28:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure to_usb_os_desc_ext_prop [2021-11-23 02:28:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure to_usb_os_desc_ext_prop [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:28:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_link [2021-11-23 02:28:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_link [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure config_desc_drop [2021-11-23 02:28:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure config_desc_drop [2021-11-23 02:28:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure composite_dev_cleanup [2021-11-23 02:28:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_dev_cleanup [2021-11-23 02:28:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_MaxPower_store [2021-11-23 02:28:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_MaxPower_store [2021-11-23 02:28:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdDevice_show [2021-11-23 02:28:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdDevice_show [2021-11-23 02:28:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure composite_suspend [2021-11-23 02:28:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_suspend [2021-11-23 02:28:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_drop [2021-11-23 02:28:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_drop [2021-11-23 02:28:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure count_ext_compat [2021-11-23 02:28:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure count_ext_compat [2021-11-23 02:28:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:28:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:28:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idVendor_show [2021-11-23 02:28:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idVendor_show [2021-11-23 02:28:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_bmAttributes_show [2021-11-23 02:28:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_bmAttributes_show [2021-11-23 02:28:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure purge_configs_funcs [2021-11-23 02:28:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure purge_configs_funcs [2021-11-23 02:28:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_otg [2021-11-23 02:28:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_otg [2021-11-23 02:28:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ext_prop_data_len_ptr [2021-11-23 02:28:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ext_prop_data_len_ptr [2021-11-23 02:28:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:28:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:28:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_function_instance [2021-11-23 02:28:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_function_instance [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_function_instance [2021-11-23 02:28:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_function_instance [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 02:28:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_le16p [2021-11-23 02:28:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_le16p [2021-11-23 02:28:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_ids_tab [2021-11-23 02:28:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_ids_tab [2021-11-23 02:28:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:28:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:28:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceClass_show [2021-11-23 02:28:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceClass_show [2021-11-23 02:28:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-23 02:28:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-23 02:28:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2021-11-23 02:28:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2021-11-23 02:28:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2021-11-23 02:28:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2021-11-23 02:28:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure reset_config [2021-11-23 02:28:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_config [2021-11-23 02:28:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 02:28:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 02:28:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:28:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:28:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:28:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:28:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceProtocol_store [2021-11-23 02:28:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceProtocol_store [2021-11-23 02:28:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_copy [2021-11-23 02:28:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_copy [2021-11-23 02:28:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure to_config_group [2021-11-23 02:28:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure to_config_group [2021-11-23 02:28:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_function [2021-11-23 02:28:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_function [2021-11-23 02:28:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-23 02:28:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-23 02:28:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:28:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:28:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_info [2021-11-23 02:28:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_info [2021-11-23 02:28:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure __composite_unbind [2021-11-23 02:28:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __composite_unbind [2021-11-23 02:28:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2021-11-23 02:28:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2021-11-23 02:28:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:28:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:28:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 02:28:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 02:28:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_serialnumber_store [2021-11-23 02:28:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_serialnumber_store [2021-11-23 02:28:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_strings [2021-11-23 02:28:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_strings [2021-11-23 02:28:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:28:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:28:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:28:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdDevice_store [2021-11-23 02:28:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdDevice_store [2021-11-23 02:28:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceSubClass_show [2021-11-23 02:28:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceSubClass_show [2021-11-23 02:28:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:28:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_unlink [2021-11-23 02:28:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_unlink [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bMaxPacketSize0_store [2021-11-23 02:28:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bMaxPacketSize0_store [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:28:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_release [2021-11-23 02:28:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_release [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure to_os_desc [2021-11-23 02:28:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure to_os_desc [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:28:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_unlink [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_unlink [2021-11-23 02:28:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_show [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_show [2021-11-23 02:28:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:28:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2021-11-23 02:28:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 02:28:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:28:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:28:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure le16_add_cpu [2021-11-23 02:28:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure le16_add_cpu [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2021-11-23 02:28:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure composite_setup_complete [2021-11-23 02:28:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_setup_complete [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure composite_setup [2021-11-23 02:28:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_setup [2021-11-23 02:28:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_strings_drop [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_strings_drop [2021-11-23 02:28:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure set_config [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config [2021-11-23 02:28:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 02:28:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_function [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_function [2021-11-23 02:28:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_release [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_release [2021-11-23 02:28:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure composite_os_desc_req_prepare [2021-11-23 02:28:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_os_desc_req_prepare [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_bcd [2021-11-23 02:28:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_bcd [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdUSB_store [2021-11-23 02:28:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdUSB_store [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_compatible_id_show [2021-11-23 02:28:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_compatible_id_show [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_qw_sign_show [2021-11-23 02:28:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_qw_sign_show [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_attr_show [2021-11-23 02:28:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_attr_show [2021-11-23 02:28:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:28:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:28:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_config_only [2021-11-23 02:28:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_config_only [2021-11-23 02:28:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_put [2021-11-23 02:28:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_put [2021-11-23 02:28:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_string [2021-11-23 02:28:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_string [2021-11-23 02:28:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_CAST [2021-11-23 02:28:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_CAST [2021-11-23 02:28:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:28:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_compatible_id_store [2021-11-23 02:28:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_compatible_id_store [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_descriptors [2021-11-23 02:28:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_descriptors [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure to_usb_os_desc [2021-11-23 02:28:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure to_usb_os_desc [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:28:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:28:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gstrings_attach [2021-11-23 02:28:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gstrings_attach [2021-11-23 02:28:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_bcdDevice [2021-11-23 02:28:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_bcdDevice [2021-11-23 02:28:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_sub_compatible_id_show [2021-11-23 02:28:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_sub_compatible_id_show [2021-11-23 02:28:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_configuration_store [2021-11-23 02:28:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_configuration_store [2021-11-23 02:28:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-23 02:28:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-23 02:28:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceSubClass_store [2021-11-23 02:28:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceSubClass_store [2021-11-23 02:28:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_dualspeed [2021-11-23 02:28:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_dualspeed [2021-11-23 02:28:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_show [2021-11-23 02:28:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_show [2021-11-23 02:28:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_type_store [2021-11-23 02:28:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_type_store [2021-11-23 02:28:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_show [2021-11-23 02:28:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_show [2021-11-23 02:28:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 02:28:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 02:28:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure gadgets_drop [2021-11-23 02:28:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure gadgets_drop [2021-11-23 02:28:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 02:28:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 02:28:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_type_show [2021-11-23 02:28:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_type_show [2021-11-23 02:28:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_manufacturer_store [2021-11-23 02:28:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_manufacturer_store [2021-11-23 02:28:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2021-11-23 02:28:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2021-11-23 02:28:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:28:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:28:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_config_name [2021-11-23 02:28:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_config_name [2021-11-23 02:28:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure remove_config [2021-11-23 02:28:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_config [2021-11-23 02:28:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_attr_release [2021-11-23 02:28:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_attr_release [2021-11-23 02:28:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:28:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:28:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:28:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_use_store [2021-11-23 02:28:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_use_store [2021-11-23 02:28:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2021-11-23 02:28:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2021-11-23 02:28:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure get_containers_gs [2021-11-23 02:28:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_containers_gs [2021-11-23 02:28:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-11-23 02:28:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-11-23 02:28:17,204 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:17,217 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:17,495 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:28:33,262 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:59,233 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:59,234 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:28:59,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:59 BoogieIcfgContainer [2021-11-23 02:28:59,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:59,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:59,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:59,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:59,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:09" (1/3) ... [2021-11-23 02:28:59,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5368ee94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:59, skipping insertion in model container [2021-11-23 02:28:59,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (2/3) ... [2021-11-23 02:28:59,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5368ee94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:59, skipping insertion in model container [2021-11-23 02:28:59,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:59" (3/3) ... [2021-11-23 02:28:59,249 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-23 02:28:59,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:59,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:28:59,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:59,322 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:28:59,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:28:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 3155 states, 2017 states have (on average 1.3931581556767476) internal successors, (2810), 2102 states have internal predecessors, (2810), 944 states have call successors, (944), 193 states have call predecessors, (944), 192 states have return successors, (904), 883 states have call predecessors, (904), 904 states have call successors, (904) [2021-11-23 02:28:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1158 [2021-11-23 02:28:59,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:59,489 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:59,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:59,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:59,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1485296402, now seen corresponding path program 1 times [2021-11-23 02:28:59,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:59,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336841286] [2021-11-23 02:28:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:59,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28402 trivial. 0 not checked. [2021-11-23 02:29:01,829 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:01,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336841286] [2021-11-23 02:29:01,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336841286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:01,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:01,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:01,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743244981] [2021-11-23 02:29:01,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:01,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:01,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:01,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:01,888 INFO L87 Difference]: Start difference. First operand has 3155 states, 2017 states have (on average 1.3931581556767476) internal successors, (2810), 2102 states have internal predecessors, (2810), 944 states have call successors, (944), 193 states have call predecessors, (944), 192 states have return successors, (904), 883 states have call predecessors, (904), 904 states have call successors, (904) Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2021-11-23 02:29:04,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:06,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:09,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:12,173 INFO L93 Difference]: Finished difference Result 8950 states and 13441 transitions. [2021-11-23 02:29:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:12,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 1157 [2021-11-23 02:29:12,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:12,279 INFO L225 Difference]: With dead ends: 8950 [2021-11-23 02:29:12,279 INFO L226 Difference]: Without dead ends: 5916 [2021-11-23 02:29:12,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:12,319 INFO L933 BasicCegarLoop]: 5043 mSDtfsCounter, 4169 mSDsluCounter, 4642 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4172 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:12,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4172 Valid, 9315 Invalid, 761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 756 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2021-11-23 02:29:12,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2021-11-23 02:29:12,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5913. [2021-11-23 02:29:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5913 states, 3873 states have (on average 1.386005680351149) internal successors, (5368), 3958 states have internal predecessors, (5368), 1658 states have call successors, (1658), 382 states have call predecessors, (1658), 381 states have return successors, (1659), 1614 states have call predecessors, (1659), 1656 states have call successors, (1659) [2021-11-23 02:29:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 8685 transitions. [2021-11-23 02:29:12,859 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 8685 transitions. Word has length 1157 [2021-11-23 02:29:12,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:12,869 INFO L470 AbstractCegarLoop]: Abstraction has 5913 states and 8685 transitions. [2021-11-23 02:29:12,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2021-11-23 02:29:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 8685 transitions. [2021-11-23 02:29:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2021-11-23 02:29:13,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:13,033 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:13,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:29:13,034 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:29:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:13,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1414079679, now seen corresponding path program 1 times [2021-11-23 02:29:13,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:13,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041985420] [2021-11-23 02:29:13,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:13,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 28402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28402 trivial. 0 not checked. [2021-11-23 02:29:14,771 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:14,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041985420] [2021-11-23 02:29:14,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041985420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:14,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:14,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:14,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001252126] [2021-11-23 02:29:14,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:14,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:14,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:14,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:14,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:14,783 INFO L87 Difference]: Start difference. First operand 5913 states and 8685 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2021-11-23 02:29:16,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:19,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:21,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:26,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:26,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:26,961 INFO L93 Difference]: Finished difference Result 17264 states and 25781 transitions. [2021-11-23 02:29:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:26,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) Word has length 1159 [2021-11-23 02:29:26,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:27,083 INFO L225 Difference]: With dead ends: 17264 [2021-11-23 02:29:27,084 INFO L226 Difference]: Without dead ends: 11556 [2021-11-23 02:29:27,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:27,124 INFO L933 BasicCegarLoop]: 5077 mSDtfsCounter, 4283 mSDsluCounter, 4367 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 9077 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:27,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 9077 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 783 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2021-11-23 02:29:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11556 states. [2021-11-23 02:29:27,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11556 to 11552. [2021-11-23 02:29:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11552 states, 7592 states have (on average 1.3906743940990516) internal successors, (10558), 7761 states have internal predecessors, (10558), 3200 states have call successors, (3200), 760 states have call predecessors, (3200), 759 states have return successors, (3431), 3114 states have call predecessors, (3431), 3198 states have call successors, (3431) [2021-11-23 02:29:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11552 states to 11552 states and 17189 transitions. [2021-11-23 02:29:27,739 INFO L78 Accepts]: Start accepts. Automaton has 11552 states and 17189 transitions. Word has length 1159 [2021-11-23 02:29:27,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:27,743 INFO L470 AbstractCegarLoop]: Abstraction has 11552 states and 17189 transitions. [2021-11-23 02:29:27,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (105), 2 states have call predecessors, (105), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2021-11-23 02:29:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 11552 states and 17189 transitions. [2021-11-23 02:29:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2021-11-23 02:29:27,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:27,773 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 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] [2021-11-23 02:29:27,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:29:27,774 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:29:27,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1310373189, now seen corresponding path program 1 times [2021-11-23 02:29:27,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:27,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244747033] [2021-11-23 02:29:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:27,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 28407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28404 trivial. 0 not checked. [2021-11-23 02:29:28,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:28,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244747033] [2021-11-23 02:29:28,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244747033] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:29:28,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020030257] [2021-11-23 02:29:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:28,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:29:28,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:29:28,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:29:28,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4ff0eb-0e3c-48b8-adc1-18809ed2d997/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process