./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:22:29,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:22:29,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:22:30,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:22:30,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:22:30,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:22:30,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:22:30,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:22:30,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:22:30,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:22:30,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:22:30,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:22:30,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:22:30,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:22:30,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:22:30,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:22:30,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:22:30,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:22:30,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:22:30,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:22:30,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:22:30,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:22:30,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:22:30,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:22:30,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:22:30,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:22:30,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:22:30,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:22:30,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:22:30,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:22:30,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:22:30,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:22:30,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:22:30,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:22:30,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:22:30,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:22:30,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:22:30,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:22:30,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:22:30,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:22:30,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:22:30,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:22:30,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:22:30,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:22:30,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:22:30,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:22:30,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:22:30,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:22:30,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:22:30,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:22:30,074 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:22:30,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:22:30,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:22:30,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:22:30,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:22:30,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:22:30,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:22:30,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:22:30,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:22:30,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:22:30,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:22:30,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:22:30,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:22:30,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:22:30,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:22:30,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:22:30,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:22:30,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:22:30,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:22:30,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:22:30,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:22:30,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:22:30,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:22:30,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb [2021-12-06 22:22:30,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:22:30,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:22:30,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:22:30,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:22:30,271 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:22:30,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-12-06 22:22:30,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/data/8a72bd9d3/d10c6e87eca24baa989ba9cd266f4be0/FLAG8efcaae8a [2021-12-06 22:22:31,183 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:22:31,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-12-06 22:22:31,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/data/8a72bd9d3/d10c6e87eca24baa989ba9cd266f4be0/FLAG8efcaae8a [2021-12-06 22:22:31,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/data/8a72bd9d3/d10c6e87eca24baa989ba9cd266f4be0 [2021-12-06 22:22:31,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:22:31,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:22:31,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:22:31,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:22:31,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:22:31,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:22:31" (1/1) ... [2021-12-06 22:22:31,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aad616d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:31, skipping insertion in model container [2021-12-06 22:22:31,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:22:31" (1/1) ... [2021-12-06 22:22:31,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:22:31,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:22:43,606 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_745b23a7-4994-485c-8867-c9e5ac6377fc/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-12-06 22:22:44,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:22:44,238 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:22:45,056 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_745b23a7-4994-485c-8867-c9e5ac6377fc/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-12-06 22:22:45,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:22:45,691 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:22:45,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45 WrapperNode [2021-12-06 22:22:45,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:22:45,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:22:45,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:22:45,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:22:45,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:45,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,256 INFO L137 Inliner]: procedures = 1364, calls = 15139, calls flagged for inlining = 461, calls inlined = 268, statements flattened = 19702 [2021-12-06 22:22:46,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:22:46,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:22:46,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:22:46,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:22:46,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:22:46,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:22:46,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:22:46,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:22:46,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (1/1) ... [2021-12-06 22:22:46,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:22:46,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:46,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:46,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745b23a7-4994-485c-8867-c9e5ac6377fc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:22:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 22:22:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 22:22:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 22:22:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 22:22:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___3 [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___3 [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___4 [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___4 [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_urb_for_dma [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_urb_for_dma [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-12-06 22:22:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-12-06 22:22:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_state [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_state [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2021-12-06 22:22:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2021-12-06 22:22:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-12-06 22:22:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-12-06 22:22:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-12-06 22:22:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-12-06 22:22:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_power_on [2021-12-06 22:22:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_power_on [2021-12-06 22:22:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-12-06 22:22:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure add_device_randomness [2021-12-06 22:22:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure add_device_randomness [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-12-06 22:22:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-12-06 22:22:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_pel [2021-12-06 22:22:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_pel [2021-12-06 22:22:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:22:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-12-06 22:22:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page___1 [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page___1 [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure bus_find_device [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_find_device [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure driver_suspend [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_suspend [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_poll [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_poll [2021-12-06 22:22:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-06 22:22:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_status_mutex [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_status_mutex [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-12-06 22:22:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:22:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_alt_setting [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_alt_setting [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 22:22:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-06 22:22:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___3 [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___3 [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___4 [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___4 [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure async_getcompleted [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure async_getcompleted [2021-12-06 22:22:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_reset_endpoint [2021-12-06 22:22:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_reset_endpoint [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-06 22:22:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-12-06 22:22:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-12-06 22:22:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-12-06 22:22:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-06 22:22:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-06 22:22:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___1 [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___1 [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_usb2_hardware_lpm [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_usb2_hardware_lpm [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_alloc [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_alloc [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-06 22:22:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure hub_free_dev [2021-12-06 22:22:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_free_dev [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_is_owned [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_is_owned [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bandwidth_mutex [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bandwidth_mutex [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-06 22:22:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-06 22:22:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure release_devnum [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure release_devnum [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_urb [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_urb [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autoresume_device [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autoresume_device [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 22:22:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 22:22:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-12-06 22:22:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 22:22:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 22:22:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_ep_devs [2021-12-06 22:22:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_ep_devs [2021-12-06 22:22:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-12-06 22:22:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:22:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:22:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_device [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_device [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend_noirq [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend_noirq [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_suspend [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_suspend [2021-12-06 22:22:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 22:22:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:22:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id_intf [2021-12-06 22:22:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id_intf [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_is_primary_hcd [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_is_primary_hcd [2021-12-06 22:22:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_supports_ltm [2021-12-06 22:22:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_supports_ltm [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_suspended [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_suspended [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-12-06 22:22:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-12-06 22:22:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:22:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-12-06 22:22:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-12-06 22:22:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-12-06 22:22:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-06 22:22:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-06 22:22:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_alloc_coherent [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_alloc_coherent [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure hub_ioctl [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_ioctl [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_noresume [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_noresume [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-06 22:22:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-06 22:22:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure plural [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure plural [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_sysfs_intf_files [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_sysfs_intf_files [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_interface [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_interface [2021-12-06 22:22:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_acpi_handle [2021-12-06 22:22:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_acpi_handle [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cancel_queued_reset [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cancel_queued_reset [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 22:22:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_dynamic_id [2021-12-06 22:22:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_dynamic_id [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_free_coherent [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_free_coherent [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_hub_port_connect_type [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_hub_port_connect_type [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-12-06 22:22:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-12-06 22:22:46,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure hdev_to_hub [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hdev_to_hub [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-06 22:22:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-12-06 22:22:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_ep_devs [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_ep_devs [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:22:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-12-06 22:22:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-12-06 22:22:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-12-06 22:22:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-12-06 22:22:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-12-06 22:22:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_endpoint [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_endpoint [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-12-06 22:22:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-12-06 22:22:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure show_string [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure show_string [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid_info_as_cred [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid_info_as_cred [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_descriptor [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_descriptor [2021-12-06 22:22:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-06 22:22:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure autosuspend_check [2021-12-06 22:22:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure autosuspend_check [2021-12-06 22:22:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 22:22:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 22:22:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt___1 [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt___1 [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-12-06 22:22:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-12-06 22:22:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_mel [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_mel [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure companion_common [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure companion_common [2021-12-06 22:22:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-12-06 22:22:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_prepare_to_sleep [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_prepare_to_sleep [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_free [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_free [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-12-06 22:22:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-12-06 22:22:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure create_intf_ep_devs [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure create_intf_ep_devs [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_prepare [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_prepare [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-12-06 22:22:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 22:22:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_open [2021-12-06 22:22:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_open [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:22:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure warn_level [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_level [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:22:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-12-06 22:22:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_interface [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_interface [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-12-06 22:22:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-12-06 22:22:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-12-06 22:22:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-12-06 22:22:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usbfs_mutex [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usbfs_mutex [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset_required [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset_required [2021-12-06 22:22:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-12-06 22:22:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure security_task_getsecid [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure security_task_getsecid [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-12-06 22:22:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-12-06 22:22:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume_noirq [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume_noirq [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autosuspend_device [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autosuspend_device [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 22:22:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 22:22:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:22:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:22:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure pm_suspend_ignore_children [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_suspend_ignore_children [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure usbfs_decrease_memory_usage [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usbfs_decrease_memory_usage [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:22:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:22:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_root_hub [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_root_hub [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 22:22:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 22:22:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kick_khubd [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kick_khubd [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_superspeed [2021-12-06 22:22:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_superspeed [2021-12-06 22:22:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-06 22:22:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-06 22:22:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_detect_quirks [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_detect_quirks [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_device_release [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_device_release [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 22:22:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-12-06 22:22:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_poll [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_poll [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-06 22:22:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 22:22:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure connected [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure connected [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-12-06 22:22:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-12-06 22:22:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_status_mutex [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_status_mutex [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure kick_khubd [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_khubd [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-06 22:22:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-06 22:22:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_get_child [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_get_child [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 22:22:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 22:22:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bandwidth_mutex [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bandwidth_mutex [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-12-06 22:22:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-06 22:22:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usbfs_mutex [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usbfs_mutex [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure driver_resume [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_resume [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure remove_intf_ep_devs [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_intf_ep_devs [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-12-06 22:22:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-12-06 22:22:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_match [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_match [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure update_devnum [2021-12-06 22:22:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure update_devnum [2021-12-06 22:22:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_wusb [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_wusb [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ep_device_release [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_device_release [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure driver_probe [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_probe [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_bos_descriptor [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_bos_descriptor [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remote_wakeup [2021-12-06 22:22:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remote_wakeup [2021-12-06 22:22:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure powermac_set_asic [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure powermac_set_asic [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure suspend_common [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure suspend_common [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 22:22:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 22:22:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure check_root_hub_suspended [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure check_root_hub_suspended [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_suspend [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_suspend [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-12-06 22:22:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-12-06 22:22:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure __suspend_report_result [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __suspend_report_result [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 22:22:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 22:22:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device_driver [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device_driver [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure device_pm_wait_for_dev [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure device_pm_wait_for_dev [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_sel [2021-12-06 22:22:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_sel [2021-12-06 22:22:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_choose_configuration [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_choose_configuration [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-12-06 22:22:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acpi_find_device [2021-12-06 22:22:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acpi_find_device [2021-12-06 22:22:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-12-06 22:22:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-12-06 22:22:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-12-06 22:22:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-12-06 22:22:48,141 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:22:48,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:26:32,501 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:26:32,532 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:26:32,532 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:26:32,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:26:32 BoogieIcfgContainer [2021-12-06 22:26:32,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:26:32,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:26:32,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:26:32,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:26:32,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:22:31" (1/3) ... [2021-12-06 22:26:32,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a3e4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:26:32, skipping insertion in model container [2021-12-06 22:26:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:22:45" (2/3) ... [2021-12-06 22:26:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a3e4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:26:32, skipping insertion in model container [2021-12-06 22:26:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:26:32" (3/3) ... [2021-12-06 22:26:32,545 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-12-06 22:26:32,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:26:32,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:26:32,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:26:32,615 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:26:32,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:26:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 7494 states, 5251 states have (on average 1.3824033517425252) internal successors, (7259), 5414 states have internal predecessors, (7259), 1789 states have call successors, (1789), 452 states have call predecessors, (1789), 452 states have return successors, (1789), 1762 states have call predecessors, (1789), 1789 states have call successors, (1789) [2021-12-06 22:26:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 22:26:32,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:32,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:32,725 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash 180336105, now seen corresponding path program 1 times [2021-12-06 22:26:32,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:32,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974061763] [2021-12-06 22:26:32,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:32,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:33,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:33,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974061763] [2021-12-06 22:26:33,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974061763] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:33,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:33,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:26:33,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633372962] [2021-12-06 22:26:33,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:33,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:26:33,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:26:33,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:26:33,877 INFO L87 Difference]: Start difference. First operand has 7494 states, 5251 states have (on average 1.3824033517425252) internal successors, (7259), 5414 states have internal predecessors, (7259), 1789 states have call successors, (1789), 452 states have call predecessors, (1789), 452 states have return successors, (1789), 1762 states have call predecessors, (1789), 1789 states have call successors, (1789) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:26:36,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:38,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:43,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:27,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:51,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:51,247 INFO L93 Difference]: Finished difference Result 26717 states and 41570 transitions. [2021-12-06 22:27:51,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:27:51,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-12-06 22:27:51,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:51,376 INFO L225 Difference]: With dead ends: 26717 [2021-12-06 22:27:51,376 INFO L226 Difference]: Without dead ends: 19197 [2021-12-06 22:27:51,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:27:51,436 INFO L933 BasicCegarLoop]: 12154 mSDtfsCounter, 22489 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 19611 mSolverCounterSat, 8738 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24168 SdHoareTripleChecker+Valid, 13749 SdHoareTripleChecker+Invalid, 28353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8738 IncrementalHoareTripleChecker+Valid, 19611 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:51,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24168 Valid, 13749 Invalid, 28353 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8738 Valid, 19611 Invalid, 4 Unknown, 0 Unchecked, 75.6s Time] [2021-12-06 22:27:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19197 states. [2021-12-06 22:27:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19197 to 16877. [2021-12-06 22:27:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16877 states, 11872 states have (on average 1.3806435309973046) internal successors, (16391), 12230 states have internal predecessors, (16391), 3968 states have call successors, (3968), 891 states have call predecessors, (3968), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:27:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16877 states to 16877 states and 25164 transitions. [2021-12-06 22:27:52,413 INFO L78 Accepts]: Start accepts. Automaton has 16877 states and 25164 transitions. Word has length 12 [2021-12-06 22:27:52,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:52,414 INFO L470 AbstractCegarLoop]: Abstraction has 16877 states and 25164 transitions. [2021-12-06 22:27:52,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 16877 states and 25164 transitions. [2021-12-06 22:27:52,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 22:27:52,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:52,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:52,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:27:52,415 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:52,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:52,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1292039196, now seen corresponding path program 1 times [2021-12-06 22:27:52,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:52,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989035772] [2021-12-06 22:27:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:52,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:27:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:27:53,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:53,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989035772] [2021-12-06 22:27:53,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989035772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:53,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:53,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:27:53,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995700680] [2021-12-06 22:27:53,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:53,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:27:53,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:53,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:27:53,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:27:53,050 INFO L87 Difference]: Start difference. First operand 16877 states and 25164 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:27:55,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:57,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:11,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:27,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:28:27,325 INFO L93 Difference]: Finished difference Result 19187 states and 29092 transitions. [2021-12-06 22:28:27,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:28:27,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-12-06 22:28:27,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:28:27,406 INFO L225 Difference]: With dead ends: 19187 [2021-12-06 22:28:27,406 INFO L226 Difference]: Without dead ends: 19184 [2021-12-06 22:28:27,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:28:27,416 INFO L933 BasicCegarLoop]: 9207 mSDtfsCounter, 16988 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6818 mSolverCounterSat, 6364 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17804 SdHoareTripleChecker+Valid, 9264 SdHoareTripleChecker+Invalid, 13184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6364 IncrementalHoareTripleChecker+Valid, 6818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:28:27,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17804 Valid, 9264 Invalid, 13184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6364 Valid, 6818 Invalid, 2 Unknown, 0 Unchecked, 33.3s Time] [2021-12-06 22:28:27,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19184 states. [2021-12-06 22:28:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19184 to 16876. [2021-12-06 22:28:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16876 states, 11872 states have (on average 1.3805592991913747) internal successors, (16390), 12229 states have internal predecessors, (16390), 3967 states have call successors, (3967), 891 states have call predecessors, (3967), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:28:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16876 states to 16876 states and 25162 transitions. [2021-12-06 22:28:28,187 INFO L78 Accepts]: Start accepts. Automaton has 16876 states and 25162 transitions. Word has length 13 [2021-12-06 22:28:28,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:28:28,187 INFO L470 AbstractCegarLoop]: Abstraction has 16876 states and 25162 transitions. [2021-12-06 22:28:28,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:28:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 16876 states and 25162 transitions. [2021-12-06 22:28:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 22:28:28,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:28:28,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:28,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:28:28,189 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:28:28,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:28,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1395101516, now seen corresponding path program 1 times [2021-12-06 22:28:28,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:28,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148364682] [2021-12-06 22:28:28,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:28,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:28:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:28:28,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:28,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148364682] [2021-12-06 22:28:28,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148364682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:28,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:28,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:28:28,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079777849] [2021-12-06 22:28:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:28,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:28:28,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:28:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:28:28,757 INFO L87 Difference]: Start difference. First operand 16876 states and 25162 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:28:30,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:33,008 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 [] [2021-12-06 22:29:00,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:29:00,675 INFO L93 Difference]: Finished difference Result 19186 states and 29090 transitions. [2021-12-06 22:29:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:29:00,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-12-06 22:29:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:29:00,731 INFO L225 Difference]: With dead ends: 19186 [2021-12-06 22:29:00,731 INFO L226 Difference]: Without dead ends: 19183 [2021-12-06 22:29:00,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:29:00,739 INFO L933 BasicCegarLoop]: 9187 mSDtfsCounter, 17004 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6827 mSolverCounterSat, 6373 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17813 SdHoareTripleChecker+Valid, 9244 SdHoareTripleChecker+Invalid, 13202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6373 IncrementalHoareTripleChecker+Valid, 6827 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:29:00,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17813 Valid, 9244 Invalid, 13202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6373 Valid, 6827 Invalid, 2 Unknown, 0 Unchecked, 31.0s Time] [2021-12-06 22:29:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19183 states. [2021-12-06 22:29:01,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19183 to 16875. [2021-12-06 22:29:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16875 states, 11872 states have (on average 1.3804750673854447) internal successors, (16389), 12228 states have internal predecessors, (16389), 3966 states have call successors, (3966), 891 states have call predecessors, (3966), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:29:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16875 states to 16875 states and 25160 transitions. [2021-12-06 22:29:01,465 INFO L78 Accepts]: Start accepts. Automaton has 16875 states and 25160 transitions. Word has length 14 [2021-12-06 22:29:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:01,466 INFO L470 AbstractCegarLoop]: Abstraction has 16875 states and 25160 transitions. [2021-12-06 22:29:01,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:29:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 16875 states and 25160 transitions. [2021-12-06 22:29:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 22:29:01,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:01,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:01,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:29:01,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:29:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 295071007, now seen corresponding path program 1 times [2021-12-06 22:29:01,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:01,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810605934] [2021-12-06 22:29:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:01,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:29:01,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:01,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810605934] [2021-12-06 22:29:01,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810605934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:01,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:01,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:29:01,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119454041] [2021-12-06 22:29:01,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:01,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:29:01,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:29:01,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:29:01,968 INFO L87 Difference]: Start difference. First operand 16875 states and 25160 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:29:04,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:06,220 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 [] [2021-12-06 22:29:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:29:34,729 INFO L93 Difference]: Finished difference Result 19185 states and 29088 transitions. [2021-12-06 22:29:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:29:34,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-12-06 22:29:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:29:34,779 INFO L225 Difference]: With dead ends: 19185 [2021-12-06 22:29:34,779 INFO L226 Difference]: Without dead ends: 19182 [2021-12-06 22:29:34,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:29:34,788 INFO L933 BasicCegarLoop]: 9182 mSDtfsCounter, 17002 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6816 mSolverCounterSat, 6372 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17816 SdHoareTripleChecker+Valid, 9239 SdHoareTripleChecker+Invalid, 13190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6372 IncrementalHoareTripleChecker+Valid, 6816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:29:34,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17816 Valid, 9239 Invalid, 13190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6372 Valid, 6816 Invalid, 2 Unknown, 0 Unchecked, 31.7s Time] [2021-12-06 22:29:34,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19182 states. [2021-12-06 22:29:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19182 to 16874. [2021-12-06 22:29:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16874 states, 11872 states have (on average 1.380390835579515) internal successors, (16388), 12227 states have internal predecessors, (16388), 3965 states have call successors, (3965), 891 states have call predecessors, (3965), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:29:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16874 states to 16874 states and 25158 transitions. [2021-12-06 22:29:35,510 INFO L78 Accepts]: Start accepts. Automaton has 16874 states and 25158 transitions. Word has length 15 [2021-12-06 22:29:35,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:35,510 INFO L470 AbstractCegarLoop]: Abstraction has 16874 states and 25158 transitions. [2021-12-06 22:29:35,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:29:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 16874 states and 25158 transitions. [2021-12-06 22:29:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 22:29:35,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:35,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:35,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:29:35,511 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:29:35,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash 553868463, now seen corresponding path program 1 times [2021-12-06 22:29:35,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:35,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670591633] [2021-12-06 22:29:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:35,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:29:35,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:35,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670591633] [2021-12-06 22:29:35,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670591633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:35,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:35,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:29:35,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773712129] [2021-12-06 22:29:35,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:35,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:29:35,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:35,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:29:35,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:29:35,981 INFO L87 Difference]: Start difference. First operand 16874 states and 25158 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:29:38,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:40,202 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 [] [2021-12-06 22:30:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:30:08,176 INFO L93 Difference]: Finished difference Result 19184 states and 29086 transitions. [2021-12-06 22:30:08,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:30:08,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-12-06 22:30:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:30:08,222 INFO L225 Difference]: With dead ends: 19184 [2021-12-06 22:30:08,222 INFO L226 Difference]: Without dead ends: 19181 [2021-12-06 22:30:08,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:30:08,230 INFO L933 BasicCegarLoop]: 9185 mSDtfsCounter, 16990 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6811 mSolverCounterSat, 6378 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17806 SdHoareTripleChecker+Valid, 9242 SdHoareTripleChecker+Invalid, 13191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6378 IncrementalHoareTripleChecker+Valid, 6811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:30:08,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17806 Valid, 9242 Invalid, 13191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6378 Valid, 6811 Invalid, 2 Unknown, 0 Unchecked, 31.2s Time] [2021-12-06 22:30:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19181 states. [2021-12-06 22:30:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19181 to 16873. [2021-12-06 22:30:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16873 states, 11872 states have (on average 1.380306603773585) internal successors, (16387), 12226 states have internal predecessors, (16387), 3964 states have call successors, (3964), 891 states have call predecessors, (3964), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:30:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16873 states to 16873 states and 25156 transitions. [2021-12-06 22:30:08,963 INFO L78 Accepts]: Start accepts. Automaton has 16873 states and 25156 transitions. Word has length 16 [2021-12-06 22:30:08,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:30:08,963 INFO L470 AbstractCegarLoop]: Abstraction has 16873 states and 25156 transitions. [2021-12-06 22:30:08,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:30:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 16873 states and 25156 transitions. [2021-12-06 22:30:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 22:30:08,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:30:08,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:30:08,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:30:08,965 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:30:08,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash -13340126, now seen corresponding path program 1 times [2021-12-06 22:30:08,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:08,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641150716] [2021-12-06 22:30:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:08,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:30:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:30:09,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:09,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641150716] [2021-12-06 22:30:09,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641150716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:09,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:09,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:30:09,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676630547] [2021-12-06 22:30:09,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:09,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:30:09,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:09,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:30:09,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:30:09,430 INFO L87 Difference]: Start difference. First operand 16873 states and 25156 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:30:11,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:13,647 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 [] [2021-12-06 22:30:40,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:30:40,845 INFO L93 Difference]: Finished difference Result 19183 states and 29084 transitions. [2021-12-06 22:30:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:30:40,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-12-06 22:30:40,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:30:40,893 INFO L225 Difference]: With dead ends: 19183 [2021-12-06 22:30:40,893 INFO L226 Difference]: Without dead ends: 19180 [2021-12-06 22:30:40,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:30:40,901 INFO L933 BasicCegarLoop]: 9220 mSDtfsCounter, 16963 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6817 mSolverCounterSat, 6351 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17777 SdHoareTripleChecker+Valid, 9277 SdHoareTripleChecker+Invalid, 13170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6351 IncrementalHoareTripleChecker+Valid, 6817 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:30:40,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17777 Valid, 9277 Invalid, 13170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6351 Valid, 6817 Invalid, 2 Unknown, 0 Unchecked, 30.4s Time] [2021-12-06 22:30:40,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19180 states. [2021-12-06 22:30:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19180 to 16872. [2021-12-06 22:30:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16872 states, 11872 states have (on average 1.380222371967655) internal successors, (16386), 12225 states have internal predecessors, (16386), 3963 states have call successors, (3963), 891 states have call predecessors, (3963), 1036 states have return successors, (4805), 4016 states have call predecessors, (4805), 3933 states have call successors, (4805) [2021-12-06 22:30:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 25154 transitions. [2021-12-06 22:30:41,651 INFO L78 Accepts]: Start accepts. Automaton has 16872 states and 25154 transitions. Word has length 17 [2021-12-06 22:30:41,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:30:41,651 INFO L470 AbstractCegarLoop]: Abstraction has 16872 states and 25154 transitions. [2021-12-06 22:30:41,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:30:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16872 states and 25154 transitions. [2021-12-06 22:30:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 22:30:41,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:30:41,652 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:30:41,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:30:41,653 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:30:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash -416932334, now seen corresponding path program 1 times [2021-12-06 22:30:41,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:41,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216580572] [2021-12-06 22:30:41,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:41,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:30:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:30:42,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:42,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216580572] [2021-12-06 22:30:42,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216580572] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:42,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:42,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:30:42,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426654898] [2021-12-06 22:30:42,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:42,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:30:42,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:42,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:30:42,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:30:42,103 INFO L87 Difference]: Start difference. First operand 16872 states and 25154 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:30:44,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:46,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:50,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:02,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:24,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:39,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:32:06,773 INFO L93 Difference]: Finished difference Result 54489 states and 88889 transitions. [2021-12-06 22:32:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:32:06,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-12-06 22:32:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:32:06,919 INFO L225 Difference]: With dead ends: 54489 [2021-12-06 22:32:06,919 INFO L226 Difference]: Without dead ends: 37623 [2021-12-06 22:32:07,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:32:07,001 INFO L933 BasicCegarLoop]: 13334 mSDtfsCounter, 21583 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 21277 mSolverCounterSat, 8316 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23234 SdHoareTripleChecker+Valid, 16012 SdHoareTripleChecker+Invalid, 29597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8316 IncrementalHoareTripleChecker+Valid, 21277 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:32:07,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23234 Valid, 16012 Invalid, 29597 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8316 Valid, 21277 Invalid, 4 Unknown, 0 Unchecked, 82.1s Time] [2021-12-06 22:32:07,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37623 states. [2021-12-06 22:32:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37623 to 35303. [2021-12-06 22:32:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35303 states, 24907 states have (on average 1.3821014172722528) internal successors, (34424), 25645 states have internal predecessors, (34424), 8220 states have call successors, (8220), 1759 states have call predecessors, (8220), 2175 states have return successors, (13474), 8442 states have call predecessors, (13474), 8180 states have call successors, (13474) [2021-12-06 22:32:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35303 states to 35303 states and 56118 transitions. [2021-12-06 22:32:08,889 INFO L78 Accepts]: Start accepts. Automaton has 35303 states and 56118 transitions. Word has length 18 [2021-12-06 22:32:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:32:08,889 INFO L470 AbstractCegarLoop]: Abstraction has 35303 states and 56118 transitions. [2021-12-06 22:32:08,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:32:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 35303 states and 56118 transitions. [2021-12-06 22:32:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 22:32:08,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:32:08,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:32:08,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:32:08,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:32:08,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:08,890 INFO L85 PathProgramCache]: Analyzing trace with hash -43384027, now seen corresponding path program 1 times [2021-12-06 22:32:08,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:08,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155201200] [2021-12-06 22:32:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:08,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:32:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:32:09,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:09,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155201200] [2021-12-06 22:32:09,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155201200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:09,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:09,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:32:09,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912486383] [2021-12-06 22:32:09,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:09,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:32:09,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:09,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:32:09,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:32:09,309 INFO L87 Difference]: Start difference. First operand 35303 states and 56118 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:32:11,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:13,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:24,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:26,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:56,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:33:21,987 INFO L93 Difference]: Finished difference Result 102746 states and 179061 transitions. [2021-12-06 22:33:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:33:21,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-12-06 22:33:21,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:33:22,261 INFO L225 Difference]: With dead ends: 102746 [2021-12-06 22:33:22,261 INFO L226 Difference]: Without dead ends: 67449 [2021-12-06 22:33:22,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:33:22,520 INFO L933 BasicCegarLoop]: 15911 mSDtfsCounter, 18747 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 19210 mSolverCounterSat, 7249 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20293 SdHoareTripleChecker+Valid, 17020 SdHoareTripleChecker+Invalid, 26464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7249 IncrementalHoareTripleChecker+Valid, 19210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:33:22,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20293 Valid, 17020 Invalid, 26464 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7249 Valid, 19210 Invalid, 5 Unknown, 0 Unchecked, 68.5s Time] [2021-12-06 22:33:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67449 states. [2021-12-06 22:33:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67449 to 64934. [2021-12-06 22:33:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64934 states, 45541 states have (on average 1.372543422410575) internal successors, (62507), 46942 states have internal predecessors, (62507), 15129 states have call successors, (15129), 3364 states have call predecessors, (15129), 4263 states have return successors, (29656), 15677 states have call predecessors, (29656), 15088 states have call successors, (29656) [2021-12-06 22:33:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64934 states to 64934 states and 107292 transitions. [2021-12-06 22:33:26,167 INFO L78 Accepts]: Start accepts. Automaton has 64934 states and 107292 transitions. Word has length 19 [2021-12-06 22:33:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:33:26,168 INFO L470 AbstractCegarLoop]: Abstraction has 64934 states and 107292 transitions. [2021-12-06 22:33:26,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:33:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 64934 states and 107292 transitions. [2021-12-06 22:33:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 22:33:26,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:33:26,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:33:26,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:33:26,169 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:33:26,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1348283531, now seen corresponding path program 1 times [2021-12-06 22:33:26,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:26,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822082719] [2021-12-06 22:33:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:26,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:33:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:33:26,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:26,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822082719] [2021-12-06 22:33:26,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822082719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:26,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:26,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:33:26,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734483693] [2021-12-06 22:33:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:26,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:33:26,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:26,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:33:26,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:33:26,710 INFO L87 Difference]: Start difference. First operand 64934 states and 107292 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:33:28,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:31,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:59,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:17,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:36,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:34:36,370 INFO L93 Difference]: Finished difference Result 195386 states and 368793 transitions. [2021-12-06 22:34:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:34:36,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-06 22:34:36,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:34:36,999 INFO L225 Difference]: With dead ends: 195386 [2021-12-06 22:34:37,000 INFO L226 Difference]: Without dead ends: 130458 [2021-12-06 22:34:37,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:34:37,633 INFO L933 BasicCegarLoop]: 11248 mSDtfsCounter, 22704 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 18803 mSolverCounterSat, 8763 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24308 SdHoareTripleChecker+Valid, 12791 SdHoareTripleChecker+Invalid, 27570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8763 IncrementalHoareTripleChecker+Valid, 18803 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:34:37,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24308 Valid, 12791 Invalid, 27570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8763 Valid, 18803 Invalid, 4 Unknown, 0 Unchecked, 62.1s Time] [2021-12-06 22:34:37,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130458 states. [2021-12-06 22:34:44,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130458 to 127639. [2021-12-06 22:34:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127639 states, 89245 states have (on average 1.3689954619306404) internal successors, (122176), 92021 states have internal predecessors, (122176), 29830 states have call successors, (29830), 6654 states have call predecessors, (29830), 8563 states have return successors, (73248), 31054 states have call predecessors, (73248), 29790 states have call successors, (73248) [2021-12-06 22:34:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127639 states to 127639 states and 225254 transitions. [2021-12-06 22:34:46,235 INFO L78 Accepts]: Start accepts. Automaton has 127639 states and 225254 transitions. Word has length 20 [2021-12-06 22:34:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:34:46,235 INFO L470 AbstractCegarLoop]: Abstraction has 127639 states and 225254 transitions. [2021-12-06 22:34:46,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:34:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 127639 states and 225254 transitions. [2021-12-06 22:34:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-06 22:34:46,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:34:46,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:34:46,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:34:46,236 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:34:46,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:46,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1149509672, now seen corresponding path program 1 times [2021-12-06 22:34:46,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:46,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304472785] [2021-12-06 22:34:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:46,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:34:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:46,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:46,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304472785] [2021-12-06 22:34:46,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304472785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:46,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:46,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:34:46,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676957395] [2021-12-06 22:34:46,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:46,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:34:46,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:34:46,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:34:46,713 INFO L87 Difference]: Start difference. First operand 127639 states and 225254 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:34:48,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:50,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:06,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:35:22,730 INFO L93 Difference]: Finished difference Result 130376 states and 232311 transitions. [2021-12-06 22:35:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:35:22,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-12-06 22:35:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:35:23,378 INFO L225 Difference]: With dead ends: 130376 [2021-12-06 22:35:23,378 INFO L226 Difference]: Without dead ends: 130373 [2021-12-06 22:35:23,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:35:23,425 INFO L933 BasicCegarLoop]: 9162 mSDtfsCounter, 16999 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6803 mSolverCounterSat, 6371 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17814 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 13176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6371 IncrementalHoareTripleChecker+Valid, 6803 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:35:23,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17814 Valid, 9219 Invalid, 13176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6371 Valid, 6803 Invalid, 2 Unknown, 0 Unchecked, 29.9s Time] [2021-12-06 22:35:23,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130373 states.