./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/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_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:11:15,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:11:15,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:11:15,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:11:15,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:11:15,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:11:15,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:11:15,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:11:15,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:11:15,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:11:15,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:11:15,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:11:15,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:11:15,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:11:15,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:11:15,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:11:16,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:11:16,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:11:16,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:11:16,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:11:16,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:11:16,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:11:16,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:11:16,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:11:16,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:11:16,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:11:16,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:11:16,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:11:16,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:11:16,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:11:16,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:11:16,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:11:16,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:11:16,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:11:16,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:11:16,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:11:16,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:11:16,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:11:16,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:11:16,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:11:16,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:11:16,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:11:16,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:11:16,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:11:16,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:11:16,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:11:16,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:11:16,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:11:16,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:11:16,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:11:16,060 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:11:16,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:11:16,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:11:16,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:11:16,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:11:16,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:11:16,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:11:16,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:11:16,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:11:16,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:11:16,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:11:16,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:11:16,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:11:16,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:11:16,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:11:16,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:11:16,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:11:16,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:11:16,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:11:16,067 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:11:16,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:11:16,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:11:16,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:11:16,068 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_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb [2021-11-20 07:11:16,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:11:16,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:11:16,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:11:16,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:11:16,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:11:16,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-20 07:11:16,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/data/dd758bd52/22b4198b2eda41a1a00acfd37b325e0f/FLAG180744713 [2021-11-20 07:11:17,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:11:17,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-20 07:11:17,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/data/dd758bd52/22b4198b2eda41a1a00acfd37b325e0f/FLAG180744713 [2021-11-20 07:11:18,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/data/dd758bd52/22b4198b2eda41a1a00acfd37b325e0f [2021-11-20 07:11:18,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:11:18,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:11:18,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:11:18,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:11:18,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:11:18,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:18" (1/1) ... [2021-11-20 07:11:18,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1e5c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:18, skipping insertion in model container [2021-11-20 07:11:18,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:18" (1/1) ... [2021-11-20 07:11:18,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:11:18,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:11:34,503 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_deeb734c-46be-44f0-9608-80a191964840/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-20 07:11:35,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:11:35,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:11:36,650 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_deeb734c-46be-44f0-9608-80a191964840/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-20 07:11:36,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:11:38,043 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:11:38,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38 WrapperNode [2021-11-20 07:11:38,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:11:38,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:11:38,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:11:38,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:11:38,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:38,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:39,160 INFO L137 Inliner]: procedures = 1364, calls = 15139, calls flagged for inlining = 461, calls inlined = 268, statements flattened = 19702 [2021-11-20 07:11:39,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:11:39,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:11:39,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:11:39,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:11:39,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:39,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:39,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:39,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:40,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:40,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:40,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:40,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:11:40,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:11:40,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:11:40,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:11:40,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (1/1) ... [2021-11-20 07:11:40,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:11:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:11:40,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:11:40,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeb734c-46be-44f0-9608-80a191964840/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:11:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-20 07:11:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-20 07:11:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 07:11:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 07:11:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___3 [2021-11-20 07:11:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___3 [2021-11-20 07:11:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___4 [2021-11-20 07:11:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___4 [2021-11-20 07:11:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-11-20 07:11:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-11-20 07:11:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_urb_for_dma [2021-11-20 07:11:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_urb_for_dma [2021-11-20 07:11:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2021-11-20 07:11:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2021-11-20 07:11:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-11-20 07:11:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-11-20 07:11:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-20 07:11:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-20 07:11:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-20 07:11:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-20 07:11:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-20 07:11:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-20 07:11:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-20 07:11:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-20 07:11:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_state [2021-11-20 07:11:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_state [2021-11-20 07:11:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2021-11-20 07:11:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2021-11-20 07:11:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-11-20 07:11:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-11-20 07:11:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-11-20 07:11:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-11-20 07:11:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-20 07:11:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-20 07:11:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-20 07:11:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-20 07:11:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-11-20 07:11:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-11-20 07:11:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-20 07:11:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-20 07:11:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 07:11:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 07:11:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-20 07:11:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-20 07:11:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-11-20 07:11:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-11-20 07:11:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:11:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:11:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-20 07:11:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-20 07:11:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-11-20 07:11:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-11-20 07:11:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:11:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:11:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-20 07:11:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-20 07:11:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-20 07:11:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-20 07:11:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:11:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:11:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-20 07:11:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-20 07:11:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_power_on [2021-11-20 07:11:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_power_on [2021-11-20 07:11:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-20 07:11:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-20 07:11:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure add_device_randomness [2021-11-20 07:11:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure add_device_randomness [2021-11-20 07:11:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-11-20 07:11:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-11-20 07:11:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-11-20 07:11:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-11-20 07:11:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:11:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_pel [2021-11-20 07:11:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_pel [2021-11-20 07:11:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:11:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:11:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2021-11-20 07:11:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2021-11-20 07:11:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-20 07:11:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-20 07:11:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-20 07:11:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-20 07:11:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-20 07:11:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-20 07:11:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:11:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:11:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-20 07:11:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-20 07:11:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-20 07:11:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-20 07:11:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page___1 [2021-11-20 07:11:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page___1 [2021-11-20 07:11:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure bus_find_device [2021-11-20 07:11:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_find_device [2021-11-20 07:11:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure driver_suspend [2021-11-20 07:11:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_suspend [2021-11-20 07:11:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_poll [2021-11-20 07:11:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_poll [2021-11-20 07:11:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-11-20 07:11:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-11-20 07:11:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-11-20 07:11:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-11-20 07:11:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:11:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:11:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_status_mutex [2021-11-20 07:11:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_status_mutex [2021-11-20 07:11:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-20 07:11:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-20 07:11:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-20 07:11:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-20 07:11:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:11:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:11:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-20 07:11:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-20 07:11:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-20 07:11:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-20 07:11:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_alt_setting [2021-11-20 07:11:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_alt_setting [2021-11-20 07:11:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-20 07:11:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-20 07:11:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:11:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:11:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-20 07:11:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-20 07:11:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2021-11-20 07:11:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2021-11-20 07:11:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___3 [2021-11-20 07:11:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___3 [2021-11-20 07:11:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___4 [2021-11-20 07:11:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___4 [2021-11-20 07:11:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-11-20 07:11:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-11-20 07:11:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure async_getcompleted [2021-11-20 07:11:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure async_getcompleted [2021-11-20 07:11:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_reset_endpoint [2021-11-20 07:11:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_reset_endpoint [2021-11-20 07:11:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-20 07:11:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-20 07:11:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:11:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-20 07:11:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-20 07:11:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-20 07:11:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-20 07:11:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-20 07:11:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-20 07:11:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 07:11:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 07:11:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___1 [2021-11-20 07:11:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___1 [2021-11-20 07:11:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_usb2_hardware_lpm [2021-11-20 07:11:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_usb2_hardware_lpm [2021-11-20 07:11:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-20 07:11:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-20 07:11:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_alloc [2021-11-20 07:11:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_alloc [2021-11-20 07:11:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-20 07:11:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-20 07:11:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-20 07:11:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-20 07:11:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure hub_free_dev [2021-11-20 07:11:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_free_dev [2021-11-20 07:11:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-20 07:11:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-20 07:11:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:11:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:11:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_is_owned [2021-11-20 07:11:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_is_owned [2021-11-20 07:11:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-20 07:11:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-20 07:11:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-20 07:11:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-20 07:11:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-20 07:11:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-20 07:11:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-20 07:11:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-20 07:11:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure release_devnum [2021-11-20 07:11:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure release_devnum [2021-11-20 07:11:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_urb [2021-11-20 07:11:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_urb [2021-11-20 07:11:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-11-20 07:11:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-11-20 07:11:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:11:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autoresume_device [2021-11-20 07:11:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autoresume_device [2021-11-20 07:11:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 07:11:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 07:11:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:11:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-20 07:11:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-20 07:11:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:11:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:11:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 07:11:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 07:11:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 07:11:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 07:11:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_ep_devs [2021-11-20 07:11:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_ep_devs [2021-11-20 07:11:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-20 07:11:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-20 07:11:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 07:11:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 07:11:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-20 07:11:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-20 07:11:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-20 07:11:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-20 07:11:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-20 07:11:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-20 07:11:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-11-20 07:11:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-11-20 07:11:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:11:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:11:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_device [2021-11-20 07:11:40,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_device [2021-11-20 07:11:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend_noirq [2021-11-20 07:11:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend_noirq [2021-11-20 07:11:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-20 07:11:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-20 07:11:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-20 07:11:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-20 07:11:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-20 07:11:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-20 07:11:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_suspend [2021-11-20 07:11:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_suspend [2021-11-20 07:11:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:11:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:11:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-20 07:11:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-20 07:11:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-20 07:11:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-20 07:11:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2021-11-20 07:11:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2021-11-20 07:11:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 07:11:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 07:11:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:11:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:11:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id_intf [2021-11-20 07:11:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id_intf [2021-11-20 07:11:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 07:11:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 07:11:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:11:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-20 07:11:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-20 07:11:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 07:11:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 07:11:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-20 07:11:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-20 07:11:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_is_primary_hcd [2021-11-20 07:11:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_is_primary_hcd [2021-11-20 07:11:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_supports_ltm [2021-11-20 07:11:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_supports_ltm [2021-11-20 07:11:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:11:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:11:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_suspended [2021-11-20 07:11:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_suspended [2021-11-20 07:11:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-20 07:11:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-20 07:11:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-20 07:11:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-20 07:11:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-20 07:11:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-20 07:11:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-11-20 07:11:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-11-20 07:11:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-20 07:11:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-20 07:11:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 07:11:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 07:11:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-20 07:11:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-20 07:11:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-20 07:11:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-20 07:11:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:11:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:11:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:11:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:11:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-20 07:11:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-20 07:11:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:11:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:11:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-20 07:11:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-20 07:11:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-20 07:11:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-20 07:11:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-11-20 07:11:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-11-20 07:11:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:11:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:11:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-11-20 07:11:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-11-20 07:11:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 07:11:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 07:11:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-20 07:11:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-20 07:11:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-11-20 07:11:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-11-20 07:11:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 07:11:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 07:11:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:11:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 07:11:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 07:11:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-11-20 07:11:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-11-20 07:11:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_alloc_coherent [2021-11-20 07:11:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_alloc_coherent [2021-11-20 07:11:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-20 07:11:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-20 07:11:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-20 07:11:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-20 07:11:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure hub_ioctl [2021-11-20 07:11:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_ioctl [2021-11-20 07:11:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:11:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_noresume [2021-11-20 07:11:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_noresume [2021-11-20 07:11:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-20 07:11:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-20 07:11:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-20 07:11:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-20 07:11:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure plural [2021-11-20 07:11:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure plural [2021-11-20 07:11:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-20 07:11:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-20 07:11:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-11-20 07:11:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-11-20 07:11:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_sysfs_intf_files [2021-11-20 07:11:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_sysfs_intf_files [2021-11-20 07:11:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_interface [2021-11-20 07:11:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_interface [2021-11-20 07:11:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_acpi_handle [2021-11-20 07:11:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_acpi_handle [2021-11-20 07:11:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-20 07:11:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-20 07:11:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 07:11:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 07:11:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:11:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:11:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 07:11:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 07:11:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cancel_queued_reset [2021-11-20 07:11:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cancel_queued_reset [2021-11-20 07:11:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 07:11:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 07:11:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_dynamic_id [2021-11-20 07:11:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_dynamic_id [2021-11-20 07:11:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_free_coherent [2021-11-20 07:11:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_free_coherent [2021-11-20 07:11:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 07:11:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 07:11:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 07:11:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 07:11:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-20 07:11:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-20 07:11:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_hub_port_connect_type [2021-11-20 07:11:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_hub_port_connect_type [2021-11-20 07:11:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-20 07:11:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-20 07:11:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-20 07:11:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-20 07:11:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-20 07:11:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-20 07:11:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:11:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:11:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-20 07:11:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-20 07:11:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure hdev_to_hub [2021-11-20 07:11:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure hdev_to_hub [2021-11-20 07:11:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-11-20 07:11:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-11-20 07:11:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-11-20 07:11:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-11-20 07:11:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2021-11-20 07:11:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2021-11-20 07:11:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-11-20 07:11:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-11-20 07:11:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-11-20 07:11:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-11-20 07:11:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_ep_devs [2021-11-20 07:11:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_ep_devs [2021-11-20 07:11:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 07:11:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 07:11:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:11:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-20 07:11:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-20 07:11:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-11-20 07:11:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-11-20 07:11:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 07:11:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 07:11:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:11:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:11:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-11-20 07:11:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-11-20 07:11:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-20 07:11:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-20 07:11:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-20 07:11:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-20 07:11:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-20 07:11:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-20 07:11:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-11-20 07:11:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-11-20 07:11:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-11-20 07:11:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-11-20 07:11:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 07:11:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 07:11:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2021-11-20 07:11:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2021-11-20 07:11:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2021-11-20 07:11:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2021-11-20 07:11:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-20 07:11:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-20 07:11:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-20 07:11:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-20 07:11:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-11-20 07:11:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-11-20 07:11:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 07:11:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 07:11:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_endpoint [2021-11-20 07:11:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_endpoint [2021-11-20 07:11:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 07:11:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 07:11:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-11-20 07:11:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-11-20 07:11:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-20 07:11:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-20 07:11:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-20 07:11:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-20 07:11:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure show_string [2021-11-20 07:11:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure show_string [2021-11-20 07:11:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:11:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:11:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid_info_as_cred [2021-11-20 07:11:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid_info_as_cred [2021-11-20 07:11:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-20 07:11:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-20 07:11:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_descriptor [2021-11-20 07:11:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_descriptor [2021-11-20 07:11:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-20 07:11:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-20 07:11:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-20 07:11:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-20 07:11:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-20 07:11:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-20 07:11:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-20 07:11:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-20 07:11:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 07:11:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 07:11:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-20 07:11:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-20 07:11:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure autosuspend_check [2021-11-20 07:11:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure autosuspend_check [2021-11-20 07:11:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2021-11-20 07:11:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2021-11-20 07:11:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-20 07:11:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-20 07:11:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-20 07:11:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-20 07:11:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-20 07:11:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-20 07:11:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-20 07:11:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-20 07:11:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-11-20 07:11:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-11-20 07:11:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-20 07:11:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-20 07:11:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-11-20 07:11:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-11-20 07:11:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-20 07:11:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-20 07:11:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:11:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:11:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt___1 [2021-11-20 07:11:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt___1 [2021-11-20 07:11:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:11:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:11:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-20 07:11:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-20 07:11:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-11-20 07:11:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-11-20 07:11:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-20 07:11:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-20 07:11:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-20 07:11:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-20 07:11:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_mel [2021-11-20 07:11:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_mel [2021-11-20 07:11:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-20 07:11:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-20 07:11:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-20 07:11:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-20 07:11:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device [2021-11-20 07:11:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device [2021-11-20 07:11:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure companion_common [2021-11-20 07:11:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure companion_common [2021-11-20 07:11:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-20 07:11:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-20 07:11:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_prepare_to_sleep [2021-11-20 07:11:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_prepare_to_sleep [2021-11-20 07:11:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-20 07:11:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-20 07:11:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_free [2021-11-20 07:11:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_free [2021-11-20 07:11:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:11:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:11:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-20 07:11:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-20 07:11:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-11-20 07:11:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-11-20 07:11:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-20 07:11:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-20 07:11:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-20 07:11:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-20 07:11:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:11:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-20 07:11:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-20 07:11:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure create_intf_ep_devs [2021-11-20 07:11:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure create_intf_ep_devs [2021-11-20 07:11:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_prepare [2021-11-20 07:11:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_prepare [2021-11-20 07:11:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-20 07:11:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-20 07:11:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 07:11:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 07:11:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 07:11:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 07:11:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-20 07:11:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-20 07:11:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-20 07:11:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-20 07:11:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-20 07:11:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-20 07:11:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-20 07:11:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-20 07:11:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-20 07:11:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_open [2021-11-20 07:11:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_open [2021-11-20 07:11:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:11:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-11-20 07:11:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-11-20 07:11:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 07:11:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 07:11:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 07:11:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 07:11:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 07:11:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 07:11:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-11-20 07:11:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-11-20 07:11:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure warn_level [2021-11-20 07:11:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_level [2021-11-20 07:11:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:11:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-20 07:11:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-20 07:11:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_interface [2021-11-20 07:11:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_interface [2021-11-20 07:11:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-20 07:11:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-20 07:11:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-11-20 07:11:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-11-20 07:11:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-20 07:11:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-20 07:11:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-20 07:11:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-20 07:11:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-20 07:11:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-20 07:11:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-20 07:11:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-20 07:11:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-20 07:11:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-20 07:11:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:11:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:11:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-20 07:11:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-20 07:11:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:11:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:11:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-11-20 07:11:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-11-20 07:11:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-20 07:11:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-20 07:11:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-20 07:11:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-20 07:11:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-20 07:11:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-20 07:11:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-11-20 07:11:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-11-20 07:11:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-20 07:11:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-20 07:11:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 07:11:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 07:11:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-20 07:11:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-20 07:11:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-20 07:11:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-20 07:11:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset_required [2021-11-20 07:11:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset_required [2021-11-20 07:11:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-20 07:11:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-20 07:11:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 07:11:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 07:11:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-20 07:11:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-20 07:11:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-20 07:11:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-20 07:11:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-20 07:11:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-20 07:11:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-20 07:11:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-20 07:11:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure security_task_getsecid [2021-11-20 07:11:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure security_task_getsecid [2021-11-20 07:11:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-20 07:11:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-20 07:11:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-11-20 07:11:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-11-20 07:11:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2021-11-20 07:11:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2021-11-20 07:11:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume_noirq [2021-11-20 07:11:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume_noirq [2021-11-20 07:11:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-20 07:11:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-20 07:11:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autosuspend_device [2021-11-20 07:11:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autosuspend_device [2021-11-20 07:11:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-20 07:11:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-20 07:11:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 07:11:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 07:11:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 07:11:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 07:11:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-20 07:11:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-20 07:11:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-20 07:11:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-20 07:11:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2021-11-20 07:11:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2021-11-20 07:11:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-20 07:11:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-20 07:11:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-20 07:11:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-20 07:11:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-20 07:11:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-20 07:11:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:11:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:11:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:11:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:11:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-20 07:11:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-20 07:11:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2021-11-20 07:11:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2021-11-20 07:11:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure pm_suspend_ignore_children [2021-11-20 07:11:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_suspend_ignore_children [2021-11-20 07:11:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-20 07:11:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-20 07:11:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-20 07:11:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-20 07:11:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure usbfs_decrease_memory_usage [2021-11-20 07:11:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usbfs_decrease_memory_usage [2021-11-20 07:11:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 07:11:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 07:11:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 07:11:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 07:11:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure is_root_hub [2021-11-20 07:11:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_root_hub [2021-11-20 07:11:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-20 07:11:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-20 07:11:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-11-20 07:11:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-11-20 07:11:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-20 07:11:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-20 07:11:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-20 07:11:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-20 07:11:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 07:11:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 07:11:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 07:11:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 07:11:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-20 07:11:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-20 07:11:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-20 07:11:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-20 07:11:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-20 07:11:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-20 07:11:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-20 07:11:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-20 07:11:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-11-20 07:11:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-11-20 07:11:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kick_khubd [2021-11-20 07:11:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kick_khubd [2021-11-20 07:11:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_superspeed [2021-11-20 07:11:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_superspeed [2021-11-20 07:11:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-20 07:11:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 07:11:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 07:11:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-20 07:11:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-20 07:11:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-20 07:11:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-20 07:11:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:11:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-20 07:11:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-20 07:11:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 07:11:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 07:11:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-20 07:11:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-20 07:11:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-20 07:11:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-20 07:11:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-20 07:11:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-20 07:11:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_detect_quirks [2021-11-20 07:11:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_detect_quirks [2021-11-20 07:11:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_device_release [2021-11-20 07:11:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_device_release [2021-11-20 07:11:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-11-20 07:11:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-11-20 07:11:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-20 07:11:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-20 07:11:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-20 07:11:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-20 07:11:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 07:11:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 07:11:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-20 07:11:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-20 07:11:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-20 07:11:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-20 07:11:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-20 07:11:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-20 07:11:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-20 07:11:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-20 07:11:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-11-20 07:11:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-11-20 07:11:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-20 07:11:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-20 07:11:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_poll [2021-11-20 07:11:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_poll [2021-11-20 07:11:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-11-20 07:11:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-11-20 07:11:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 07:11:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 07:11:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-20 07:11:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-20 07:11:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:11:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:11:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-20 07:11:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-20 07:11:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-11-20 07:11:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-11-20 07:11:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure connected [2021-11-20 07:11:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure connected [2021-11-20 07:11:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-20 07:11:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-20 07:11:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-20 07:11:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-20 07:11:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_status_mutex [2021-11-20 07:11:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_status_mutex [2021-11-20 07:11:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-20 07:11:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-20 07:11:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-11-20 07:11:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-11-20 07:11:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-20 07:11:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-20 07:11:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-20 07:11:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-20 07:11:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure kick_khubd [2021-11-20 07:11:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_khubd [2021-11-20 07:11:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-20 07:11:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-20 07:11:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-20 07:11:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-20 07:11:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-11-20 07:11:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-11-20 07:11:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 07:11:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 07:11:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-20 07:11:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-20 07:11:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-20 07:11:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-20 07:11:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-20 07:11:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-20 07:11:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_get_child [2021-11-20 07:11:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_get_child [2021-11-20 07:11:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-11-20 07:11:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-11-20 07:11:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-20 07:11:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-20 07:11:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-20 07:11:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-20 07:11:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-20 07:11:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-20 07:11:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-20 07:11:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-20 07:11:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-11-20 07:11:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-11-20 07:11:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-20 07:11:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-20 07:11:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-11-20 07:11:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-11-20 07:11:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-20 07:11:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-20 07:11:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-20 07:11:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-20 07:11:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:11:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-20 07:11:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-20 07:11:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-11-20 07:11:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-11-20 07:11:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usbfs_mutex [2021-11-20 07:11:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usbfs_mutex [2021-11-20 07:11:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure driver_resume [2021-11-20 07:11:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_resume [2021-11-20 07:11:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-11-20 07:11:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-11-20 07:11:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure remove_intf_ep_devs [2021-11-20 07:11:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_intf_ep_devs [2021-11-20 07:11:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-20 07:11:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-20 07:11:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-20 07:11:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-20 07:11:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-20 07:11:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-20 07:11:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 07:11:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 07:11:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-20 07:11:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-20 07:11:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_match [2021-11-20 07:11:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_match [2021-11-20 07:11:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-11-20 07:11:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-11-20 07:11:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-20 07:11:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-20 07:11:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure update_devnum [2021-11-20 07:11:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure update_devnum [2021-11-20 07:11:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_wusb [2021-11-20 07:11:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_wusb [2021-11-20 07:11:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-20 07:11:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-20 07:11:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-20 07:11:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-20 07:11:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ep_device_release [2021-11-20 07:11:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_device_release [2021-11-20 07:11:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure driver_probe [2021-11-20 07:11:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_probe [2021-11-20 07:11:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_bos_descriptor [2021-11-20 07:11:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_bos_descriptor [2021-11-20 07:11:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-20 07:11:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-20 07:11:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remote_wakeup [2021-11-20 07:11:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remote_wakeup [2021-11-20 07:11:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-20 07:11:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-20 07:11:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure powermac_set_asic [2021-11-20 07:11:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure powermac_set_asic [2021-11-20 07:11:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure suspend_common [2021-11-20 07:11:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure suspend_common [2021-11-20 07:11:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-20 07:11:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-20 07:11:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 07:11:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 07:11:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-20 07:11:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-20 07:11:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 07:11:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 07:11:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 07:11:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 07:11:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:11:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:11:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure check_root_hub_suspended [2021-11-20 07:11:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure check_root_hub_suspended [2021-11-20 07:11:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-11-20 07:11:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-11-20 07:11:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-20 07:11:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-20 07:11:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-20 07:11:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-20 07:11:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_suspend [2021-11-20 07:11:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_suspend [2021-11-20 07:11:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-20 07:11:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-20 07:11:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-20 07:11:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-20 07:11:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-20 07:11:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-20 07:11:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 07:11:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 07:11:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2021-11-20 07:11:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2021-11-20 07:11:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-20 07:11:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-20 07:11:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2021-11-20 07:11:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2021-11-20 07:11:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure __suspend_report_result [2021-11-20 07:11:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __suspend_report_result [2021-11-20 07:11:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device_driver [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device_driver [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:11:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:11:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure device_pm_wait_for_dev [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_pm_wait_for_dev [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_sel [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_sel [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_choose_configuration [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_choose_configuration [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend [2021-11-20 07:11:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:11:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acpi_find_device [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acpi_find_device [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-20 07:11:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-11-20 07:11:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-11-20 07:11:43,642 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:11:43,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:15:47,138 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:15:47,190 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:15:47,191 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:15:47,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:47 BoogieIcfgContainer [2021-11-20 07:15:47,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:15:47,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:15:47,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:15:47,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:15:47,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:11:18" (1/3) ... [2021-11-20 07:15:47,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d395282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:47, skipping insertion in model container [2021-11-20 07:15:47,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:38" (2/3) ... [2021-11-20 07:15:47,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d395282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:47, skipping insertion in model container [2021-11-20 07:15:47,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:47" (3/3) ... [2021-11-20 07:15:47,211 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-20 07:15:47,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:15:47,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:15:47,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:15:47,298 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 [2021-11-20 07:15:47,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:15:47,449 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) [2021-11-20 07:15:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 07:15:47,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:15:47,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:15:47,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:15:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:15:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash 180336105, now seen corresponding path program 1 times [2021-11-20 07:15:47,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:15:47,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073970388] [2021-11-20 07:15:47,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:15:47,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:15:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:15:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:15:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:15:48,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:15:48,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073970388] [2021-11-20 07:15:48,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073970388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:15:48,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:15:48,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:15:48,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773825151] [2021-11-20 07:15:48,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:15:48,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:15:48,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:15:48,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:15:48,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:15:48,986 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) [2021-11-20 07:15:51,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:15:53,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:16:00,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:16:09,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:16:25,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:16:42,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:16:50,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:17:06,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:17:06,988 INFO L93 Difference]: Finished difference Result 26717 states and 41570 transitions. [2021-11-20 07:17:06,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:17:06,999 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 [2021-11-20 07:17:06,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:17:07,186 INFO L225 Difference]: With dead ends: 26717 [2021-11-20 07:17:07,186 INFO L226 Difference]: Without dead ends: 19197 [2021-11-20 07:17:07,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:17:07,274 INFO L933 BasicCegarLoop]: 12151 mSDtfsCounter, 22484 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 19603 mSolverCounterSat, 8744 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24163 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 28352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8744 IncrementalHoareTripleChecker+Valid, 19603 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:17:07,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24163 Valid, 13739 Invalid, 28352 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8744 Valid, 19603 Invalid, 5 Unknown, 0 Unchecked, 75.7s Time] [2021-11-20 07:17:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19197 states. [2021-11-20 07:17:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19197 to 16877. [2021-11-20 07:17:08,771 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) [2021-11-20 07:17:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16877 states to 16877 states and 25164 transitions. [2021-11-20 07:17:08,938 INFO L78 Accepts]: Start accepts. Automaton has 16877 states and 25164 transitions. Word has length 12 [2021-11-20 07:17:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:17:08,939 INFO L470 AbstractCegarLoop]: Abstraction has 16877 states and 25164 transitions. [2021-11-20 07:17:08,940 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) [2021-11-20 07:17:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 16877 states and 25164 transitions. [2021-11-20 07:17:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 07:17:08,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:08,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:08,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:17:08,941 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1292039196, now seen corresponding path program 1 times [2021-11-20 07:17:08,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:08,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54877402] [2021-11-20 07:17:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:08,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:17:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:09,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:09,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:17:09,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54877402] [2021-11-20 07:17:09,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54877402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:17:09,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:17:09,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:17:09,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678394948] [2021-11-20 07:17:09,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:17:09,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:17:09,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:17:09,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:17:09,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:17:09,831 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) [2021-11-20 07:17:12,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:17:14,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:17:32,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:17:43,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:17:43,517 INFO L93 Difference]: Finished difference Result 19187 states and 29092 transitions. [2021-11-20 07:17:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:17:43,518 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 [2021-11-20 07:17:43,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:17:43,638 INFO L225 Difference]: With dead ends: 19187 [2021-11-20 07:17:43,639 INFO L226 Difference]: Without dead ends: 19184 [2021-11-20 07:17:43,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:17:43,648 INFO L933 BasicCegarLoop]: 9160 mSDtfsCounter, 17023 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6812 mSolverCounterSat, 6388 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17841 SdHoareTripleChecker+Valid, 9217 SdHoareTripleChecker+Invalid, 13202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6388 IncrementalHoareTripleChecker+Valid, 6812 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:17:43,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17841 Valid, 9217 Invalid, 13202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6388 Valid, 6812 Invalid, 2 Unknown, 0 Unchecked, 32.2s Time] [2021-11-20 07:17:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19184 states. [2021-11-20 07:17:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19184 to 16876. [2021-11-20 07:17:44,791 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) [2021-11-20 07:17:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16876 states to 16876 states and 25162 transitions. [2021-11-20 07:17:44,903 INFO L78 Accepts]: Start accepts. Automaton has 16876 states and 25162 transitions. Word has length 13 [2021-11-20 07:17:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:17:44,904 INFO L470 AbstractCegarLoop]: Abstraction has 16876 states and 25162 transitions. [2021-11-20 07:17:44,904 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) [2021-11-20 07:17:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 16876 states and 25162 transitions. [2021-11-20 07:17:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 07:17:44,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:44,905 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:44,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:17:44,906 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1395101516, now seen corresponding path program 1 times [2021-11-20 07:17:44,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:44,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361250649] [2021-11-20 07:17:44,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:44,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:17:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:45,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:17:45,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361250649] [2021-11-20 07:17:45,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361250649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:17:45,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:17:45,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:17:45,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565999400] [2021-11-20 07:17:45,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:17:45,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:17:45,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:17:45,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:17:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:17:45,934 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) [2021-11-20 07:17:48,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:17:50,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:06,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:17,859 INFO L93 Difference]: Finished difference Result 19186 states and 29090 transitions. [2021-11-20 07:18:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:18:17,860 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 [2021-11-20 07:18:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:17,955 INFO L225 Difference]: With dead ends: 19186 [2021-11-20 07:18:17,956 INFO L226 Difference]: Without dead ends: 19183 [2021-11-20 07:18:17,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:18:17,972 INFO L933 BasicCegarLoop]: 9167 mSDtfsCounter, 17015 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6811 mSolverCounterSat, 6377 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17834 SdHoareTripleChecker+Valid, 9224 SdHoareTripleChecker+Invalid, 13190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6377 IncrementalHoareTripleChecker+Valid, 6811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:17,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17834 Valid, 9224 Invalid, 13190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6377 Valid, 6811 Invalid, 2 Unknown, 0 Unchecked, 30.9s Time] [2021-11-20 07:18:17,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19183 states. [2021-11-20 07:18:19,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19183 to 16875. [2021-11-20 07:18:19,129 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) [2021-11-20 07:18:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16875 states to 16875 states and 25160 transitions. [2021-11-20 07:18:19,236 INFO L78 Accepts]: Start accepts. Automaton has 16875 states and 25160 transitions. Word has length 14 [2021-11-20 07:18:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:19,237 INFO L470 AbstractCegarLoop]: Abstraction has 16875 states and 25160 transitions. [2021-11-20 07:18:19,237 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) [2021-11-20 07:18:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 16875 states and 25160 transitions. [2021-11-20 07:18:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 07:18:19,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:19,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:19,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:18:19,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash 295071007, now seen corresponding path program 1 times [2021-11-20 07:18:19,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:19,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215726375] [2021-11-20 07:18:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:19,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:18:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:18:20,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:18:20,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215726375] [2021-11-20 07:18:20,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215726375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:20,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:20,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:18:20,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607003699] [2021-11-20 07:18:20,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:20,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:18:20,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:18:20,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:18:20,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:18:20,042 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) [2021-11-20 07:18:22,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:24,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:40,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:52,881 INFO L93 Difference]: Finished difference Result 19185 states and 29088 transitions. [2021-11-20 07:18:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:18:52,882 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 [2021-11-20 07:18:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:52,954 INFO L225 Difference]: With dead ends: 19185 [2021-11-20 07:18:52,954 INFO L226 Difference]: Without dead ends: 19182 [2021-11-20 07:18:52,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:18:52,966 INFO L933 BasicCegarLoop]: 9192 mSDtfsCounter, 16993 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6818 mSolverCounterSat, 6371 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17806 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 13191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6371 IncrementalHoareTripleChecker+Valid, 6818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:52,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17806 Valid, 9249 Invalid, 13191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6371 Valid, 6818 Invalid, 2 Unknown, 0 Unchecked, 31.8s Time] [2021-11-20 07:18:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19182 states. [2021-11-20 07:18:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19182 to 16874. [2021-11-20 07:18:54,059 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) [2021-11-20 07:18:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16874 states to 16874 states and 25158 transitions. [2021-11-20 07:18:54,168 INFO L78 Accepts]: Start accepts. Automaton has 16874 states and 25158 transitions. Word has length 15 [2021-11-20 07:18:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:54,168 INFO L470 AbstractCegarLoop]: Abstraction has 16874 states and 25158 transitions. [2021-11-20 07:18:54,168 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) [2021-11-20 07:18:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 16874 states and 25158 transitions. [2021-11-20 07:18:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 07:18:54,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:54,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:54,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:18:54,171 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash 553868463, now seen corresponding path program 1 times [2021-11-20 07:18:54,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:54,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658526651] [2021-11-20 07:18:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:54,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:18:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:18:55,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:18:55,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658526651] [2021-11-20 07:18:55,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658526651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:55,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:55,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:18:55,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125350447] [2021-11-20 07:18:55,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:55,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:18:55,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:18:55,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:18:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:18:55,109 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) [2021-11-20 07:18:57,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:18:59,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:16,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:28,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:19:28,401 INFO L93 Difference]: Finished difference Result 19184 states and 29086 transitions. [2021-11-20 07:19:28,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:19:28,410 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 [2021-11-20 07:19:28,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:19:28,493 INFO L225 Difference]: With dead ends: 19184 [2021-11-20 07:19:28,493 INFO L226 Difference]: Without dead ends: 19181 [2021-11-20 07:19:28,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:19:28,505 INFO L933 BasicCegarLoop]: 9177 mSDtfsCounter, 17004 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6820 mSolverCounterSat, 6381 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17812 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 13203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6381 IncrementalHoareTripleChecker+Valid, 6820 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:19:28,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17812 Valid, 9234 Invalid, 13203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6381 Valid, 6820 Invalid, 2 Unknown, 0 Unchecked, 32.2s Time] [2021-11-20 07:19:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19181 states. [2021-11-20 07:19:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19181 to 16873. [2021-11-20 07:19:29,731 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) [2021-11-20 07:19:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16873 states to 16873 states and 25156 transitions. [2021-11-20 07:19:29,842 INFO L78 Accepts]: Start accepts. Automaton has 16873 states and 25156 transitions. Word has length 16 [2021-11-20 07:19:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:19:29,843 INFO L470 AbstractCegarLoop]: Abstraction has 16873 states and 25156 transitions. [2021-11-20 07:19:29,843 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) [2021-11-20 07:19:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16873 states and 25156 transitions. [2021-11-20 07:19:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 07:19:29,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:19:29,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:19:29,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:19:29,848 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:19:29,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:19:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash -13340126, now seen corresponding path program 1 times [2021-11-20 07:19:29,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:19:29,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412426072] [2021-11-20 07:19:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:19:29,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:19:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:19:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:19:30,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:19:30,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412426072] [2021-11-20 07:19:30,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412426072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:19:30,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:19:30,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:19:30,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074557237] [2021-11-20 07:19:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:19:30,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:19:30,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:19:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:19:30,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:19:30,546 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) [2021-11-20 07:19:32,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:19:34,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:04,053 INFO L93 Difference]: Finished difference Result 19183 states and 29084 transitions. [2021-11-20 07:20:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:20:04,053 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 [2021-11-20 07:20:04,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:04,142 INFO L225 Difference]: With dead ends: 19183 [2021-11-20 07:20:04,142 INFO L226 Difference]: Without dead ends: 19180 [2021-11-20 07:20:04,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:20:04,154 INFO L933 BasicCegarLoop]: 9154 mSDtfsCounter, 17015 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6813 mSolverCounterSat, 6377 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17831 SdHoareTripleChecker+Valid, 9211 SdHoareTripleChecker+Invalid, 13192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6377 IncrementalHoareTripleChecker+Valid, 6813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:04,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17831 Valid, 9211 Invalid, 13192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6377 Valid, 6813 Invalid, 2 Unknown, 0 Unchecked, 32.2s Time] [2021-11-20 07:20:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19180 states. [2021-11-20 07:20:05,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19180 to 16872. [2021-11-20 07:20:05,534 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) [2021-11-20 07:20:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 25154 transitions. [2021-11-20 07:20:05,643 INFO L78 Accepts]: Start accepts. Automaton has 16872 states and 25154 transitions. Word has length 17 [2021-11-20 07:20:05,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:05,644 INFO L470 AbstractCegarLoop]: Abstraction has 16872 states and 25154 transitions. [2021-11-20 07:20:05,644 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) [2021-11-20 07:20:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 16872 states and 25154 transitions. [2021-11-20 07:20:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 07:20:05,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:05,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:20:05,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:20:05,651 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:05,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:05,651 INFO L85 PathProgramCache]: Analyzing trace with hash -416932334, now seen corresponding path program 1 times [2021-11-20 07:20:05,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:05,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194132114] [2021-11-20 07:20:05,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:05,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:20:06,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:06,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194132114] [2021-11-20 07:20:06,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194132114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:06,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:06,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:20:06,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142656669] [2021-11-20 07:20:06,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:06,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:20:06,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:06,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:20:06,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:20:06,365 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) [2021-11-20 07:20:08,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:10,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:16,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:11,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:39,806 INFO L93 Difference]: Finished difference Result 54519 states and 88948 transitions. [2021-11-20 07:21:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:21:39,807 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 [2021-11-20 07:21:39,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:40,024 INFO L225 Difference]: With dead ends: 54519 [2021-11-20 07:21:40,024 INFO L226 Difference]: Without dead ends: 37653 [2021-11-20 07:21:40,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:21:40,164 INFO L933 BasicCegarLoop]: 13268 mSDtfsCounter, 21621 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 21426 mSolverCounterSat, 8342 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23272 SdHoareTripleChecker+Valid, 15960 SdHoareTripleChecker+Invalid, 29772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8342 IncrementalHoareTripleChecker+Valid, 21426 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:40,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23272 Valid, 15960 Invalid, 29772 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8342 Valid, 21426 Invalid, 4 Unknown, 0 Unchecked, 90.1s Time] [2021-11-20 07:21:40,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37653 states. [2021-11-20 07:21:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37653 to 35335. [2021-11-20 07:21:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35335 states, 24931 states have (on average 1.3822951345714172) internal successors, (34462), 25669 states have internal predecessors, (34462), 8228 states have call successors, (8228), 1761 states have call predecessors, (8228), 2175 states have return successors, (13485), 8448 states have call predecessors, (13485), 8188 states have call successors, (13485) [2021-11-20 07:21:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35335 states to 35335 states and 56175 transitions. [2021-11-20 07:21:42,901 INFO L78 Accepts]: Start accepts. Automaton has 35335 states and 56175 transitions. Word has length 18 [2021-11-20 07:21:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:42,902 INFO L470 AbstractCegarLoop]: Abstraction has 35335 states and 56175 transitions. [2021-11-20 07:21:42,902 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) [2021-11-20 07:21:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35335 states and 56175 transitions. [2021-11-20 07:21:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 07:21:42,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:42,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:42,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:21:42,904 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:42,905 INFO L85 PathProgramCache]: Analyzing trace with hash -43384027, now seen corresponding path program 1 times [2021-11-20 07:21:42,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:42,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159785314] [2021-11-20 07:21:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:42,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:43,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:43,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159785314] [2021-11-20 07:21:43,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159785314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:43,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:43,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:43,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917922893] [2021-11-20 07:21:43,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:43,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:21:43,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:43,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:21:43,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:21:43,594 INFO L87 Difference]: Start difference. First operand 35335 states and 56175 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) [2021-11-20 07:21:46,203 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:48,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:01,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:31,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:37,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:05,516 INFO L93 Difference]: Finished difference Result 102842 states and 179252 transitions. [2021-11-20 07:23:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:23:05,516 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 [2021-11-20 07:23:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:05,921 INFO L225 Difference]: With dead ends: 102842 [2021-11-20 07:23:05,921 INFO L226 Difference]: Without dead ends: 67513 [2021-11-20 07:23:06,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:23:06,308 INFO L933 BasicCegarLoop]: 15899 mSDtfsCounter, 18762 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 19269 mSolverCounterSat, 7243 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20308 SdHoareTripleChecker+Valid, 17020 SdHoareTripleChecker+Invalid, 26515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7243 IncrementalHoareTripleChecker+Valid, 19269 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:06,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20308 Valid, 17020 Invalid, 26515 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7243 Valid, 19269 Invalid, 3 Unknown, 0 Unchecked, 76.8s Time] [2021-11-20 07:23:06,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67513 states. [2021-11-20 07:23:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67513 to 64998. [2021-11-20 07:23:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64998 states, 45589 states have (on average 1.3727653600649279) internal successors, (62583), 46990 states have internal predecessors, (62583), 15145 states have call successors, (15145), 3368 states have call predecessors, (15145), 4263 states have return successors, (29685), 15689 states have call predecessors, (29685), 15104 states have call successors, (29685) [2021-11-20 07:23:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64998 states to 64998 states and 107413 transitions. [2021-11-20 07:23:11,484 INFO L78 Accepts]: Start accepts. Automaton has 64998 states and 107413 transitions. Word has length 19 [2021-11-20 07:23:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:11,485 INFO L470 AbstractCegarLoop]: Abstraction has 64998 states and 107413 transitions. [2021-11-20 07:23:11,485 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) [2021-11-20 07:23:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 64998 states and 107413 transitions. [2021-11-20 07:23:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 07:23:11,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:11,489 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] [2021-11-20 07:23:11,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:23:11,489 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:23:11,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:11,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1348283531, now seen corresponding path program 1 times [2021-11-20 07:23:11,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:11,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898617542] [2021-11-20 07:23:11,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:11,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:23:12,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:12,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898617542] [2021-11-20 07:23:12,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898617542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:12,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:12,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:23:12,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549820403] [2021-11-20 07:23:12,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:12,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:23:12,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:23:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:23:12,258 INFO L87 Difference]: Start difference. First operand 64998 states and 107413 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) [2021-11-20 07:23:14,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:16,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:34,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []