./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 95faaf1e35b42fbda708c8e0f82dd4ba523e3633241f340442cd02819aee0ccd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:00:51,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:00:51,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:00:51,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:00:51,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:00:51,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:00:51,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:00:51,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:00:51,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:00:51,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:00:51,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:00:51,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:00:51,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:00:51,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:00:51,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:00:51,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:00:51,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:00:51,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:00:51,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:00:51,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:00:51,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:00:51,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:00:51,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:00:51,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:00:51,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:00:51,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:00:51,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:00:51,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:00:51,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:00:51,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:00:51,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:00:51,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:00:51,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:00:51,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:00:51,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:00:51,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:00:51,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:00:51,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:00:51,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:00:51,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:00:51,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:00:51,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 21:00:51,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:00:51,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:00:51,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:00:51,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:00:51,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:00:51,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:00:51,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:00:51,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:00:51,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:00:51,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:00:51,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:00:51,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:00:51,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:00:51,563 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_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95faaf1e35b42fbda708c8e0f82dd4ba523e3633241f340442cd02819aee0ccd [2021-12-06 21:00:51,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:00:51,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:00:51,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:00:51,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:00:51,754 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:00:51,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-12-06 21:00:51,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/data/ed3ab1896/1fea0d6e99954d4d9f3925c63db4b6ef/FLAGa4e780747 [2021-12-06 21:00:52,653 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:00:52,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-12-06 21:00:52,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/data/ed3ab1896/1fea0d6e99954d4d9f3925c63db4b6ef/FLAGa4e780747 [2021-12-06 21:00:52,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/data/ed3ab1896/1fea0d6e99954d4d9f3925c63db4b6ef [2021-12-06 21:00:52,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:00:52,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:00:52,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:00:52,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:00:52,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:00:52,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:00:52" (1/1) ... [2021-12-06 21:00:52,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c182476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:52, skipping insertion in model container [2021-12-06 21:00:52,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:00:52" (1/1) ... [2021-12-06 21:00:52,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:00:53,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:01:04,357 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_87cd7cbe-2438-45d5-8ebc-46648900662d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i[1050041,1050054] [2021-12-06 21:01:04,729 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-06 21:01:04,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:01:04,827 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:01:05,795 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_87cd7cbe-2438-45d5-8ebc-46648900662d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i[1050041,1050054] [2021-12-06 21:01:05,807 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-06 21:01:05,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:01:06,295 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:01:06,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06 WrapperNode [2021-12-06 21:01:06,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:01:06,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:01:06,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:01:06,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:01:06,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:06,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:06,822 INFO L137 Inliner]: procedures = 1271, calls = 15175, calls flagged for inlining = 467, calls inlined = 279, statements flattened = 19997 [2021-12-06 21:01:06,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:01:06,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:01:06,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:01:06,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:01:06,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:06,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:06,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:06,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:07,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:07,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:07,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:07,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:01:07,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:01:07,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:01:07,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:01:07,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (1/1) ... [2021-12-06 21:01:07,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:01:07,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:01:07,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:01:07,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd7cbe-2438-45d5-8ebc-46648900662d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:01:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 21:01:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 21:01:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 21:01:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 21:01:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___3 [2021-12-06 21:01:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___3 [2021-12-06 21:01:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___4 [2021-12-06 21:01:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___4 [2021-12-06 21:01:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-12-06 21:01:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-12-06 21:01:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_urb_for_dma [2021-12-06 21:01:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_urb_for_dma [2021-12-06 21:01:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2021-12-06 21:01:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2021-12-06 21:01:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-12-06 21:01:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-12-06 21:01:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-06 21:01:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-06 21:01:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-12-06 21:01:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-12-06 21:01:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-12-06 21:01:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-12-06 21:01:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-12-06 21:01:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-12-06 21:01:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-06 21:01:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-06 21:01:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_state [2021-12-06 21:01:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_state [2021-12-06 21:01:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2021-12-06 21:01:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2021-12-06 21:01:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_to_struct_hub [2021-12-06 21:01:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_to_struct_hub [2021-12-06 21:01:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-12-06 21:01:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-12-06 21:01:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-12-06 21:01:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-12-06 21:01:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-12-06 21:01:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-12-06 21:01:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-12-06 21:01:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-12-06 21:01:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-12-06 21:01:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-12-06 21:01:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-12-06 21:01:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-12-06 21:01:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 21:01:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 21:01:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-06 21:01:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-06 21:01:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-12-06 21:01:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-12-06 21:01:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:01:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:01:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-06 21:01:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-06 21:01:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-12-06 21:01:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-12-06 21:01:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 21:01:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 21:01:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-12-06 21:01:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-12-06 21:01:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-12-06 21:01:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-12-06 21:01:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 21:01:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 21:01:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-12-06 21:01:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-12-06 21:01:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_power_on [2021-12-06 21:01:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_power_on [2021-12-06 21:01:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2021-12-06 21:01:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2021-12-06 21:01:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-12-06 21:01:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-12-06 21:01:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure add_device_randomness [2021-12-06 21:01:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure add_device_randomness [2021-12-06 21:01:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-12-06 21:01:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-12-06 21:01:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-12-06 21:01:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-12-06 21:01:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bandwidth_mutex_of_usb_hcd [2021-12-06 21:01:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bandwidth_mutex_of_usb_hcd [2021-12-06 21:01:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 21:01:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_pel [2021-12-06 21:01:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_pel [2021-12-06 21:01:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 21:01:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 21:01:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2021-12-06 21:01:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2021-12-06 21:01:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-06 21:01:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-12-06 21:01:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-12-06 21:01:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 21:01:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 21:01:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-12-06 21:01:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-12-06 21:01:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 21:01:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 21:01:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-12-06 21:01:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-12-06 21:01:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-12-06 21:01:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-12-06 21:01:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page___1 [2021-12-06 21:01:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page___1 [2021-12-06 21:01:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure bus_find_device [2021-12-06 21:01:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_find_device [2021-12-06 21:01:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure driver_suspend [2021-12-06 21:01:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_suspend [2021-12-06 21:01:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_poll [2021-12-06 21:01:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_poll [2021-12-06 21:01:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-06 21:01:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-06 21:01:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-12-06 21:01:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-12-06 21:01:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 21:01:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 21:01:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-12-06 21:01:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-12-06 21:01:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-12-06 21:01:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-12-06 21:01:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 21:01:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 21:01:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-12-06 21:01:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-12-06 21:01:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-12-06 21:01:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-12-06 21:01:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_alt_setting [2021-12-06 21:01:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_alt_setting [2021-12-06 21:01:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-12-06 21:01:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-12-06 21:01:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 21:01:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 21:01:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-06 21:01:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-06 21:01:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2021-12-06 21:01:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2021-12-06 21:01:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___3 [2021-12-06 21:01:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___3 [2021-12-06 21:01:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___4 [2021-12-06 21:01:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___4 [2021-12-06 21:01:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-12-06 21:01:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-12-06 21:01:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure async_getcompleted [2021-12-06 21:01:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure async_getcompleted [2021-12-06 21:01:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_reset_endpoint [2021-12-06 21:01:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_reset_endpoint [2021-12-06 21:01:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-06 21:01:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-06 21:01:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:01:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-12-06 21:01:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-12-06 21:01:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-12-06 21:01:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-12-06 21:01:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-12-06 21:01:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-12-06 21:01:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-06 21:01:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-06 21:01:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___1 [2021-12-06 21:01:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___1 [2021-12-06 21:01:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_usb2_hardware_lpm [2021-12-06 21:01:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_usb2_hardware_lpm [2021-12-06 21:01:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-12-06 21:01:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-12-06 21:01:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_alloc [2021-12-06 21:01:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_alloc [2021-12-06 21:01:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-12-06 21:01:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-12-06 21:01:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-06 21:01:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-06 21:01:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure hub_free_dev [2021-12-06 21:01:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_free_dev [2021-12-06 21:01:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-12-06 21:01:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-12-06 21:01:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 21:01:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 21:01:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_is_owned [2021-12-06 21:01:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_is_owned [2021-12-06 21:01:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-06 21:01:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-06 21:01:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-06 21:01:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-06 21:01:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_status_mutex_of_usb_hub [2021-12-06 21:01:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_status_mutex_of_usb_hub [2021-12-06 21:01:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-12-06 21:01:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-12-06 21:01:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2021-12-06 21:01:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2021-12-06 21:01:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure release_devnum [2021-12-06 21:01:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure release_devnum [2021-12-06 21:01:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_urb [2021-12-06 21:01:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_urb [2021-12-06 21:01:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-12-06 21:01:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-12-06 21:01:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 21:01:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autoresume_device [2021-12-06 21:01:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autoresume_device [2021-12-06 21:01:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 21:01:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 21:01:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:01:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-12-06 21:01:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-12-06 21:01:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 21:01:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 21:01:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-12-06 21:01:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-12-06 21:01:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 21:01:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 21:01:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 21:01:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 21:01:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_ep_devs [2021-12-06 21:01:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_ep_devs [2021-12-06 21:01:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-12-06 21:01:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-12-06 21:01:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 21:01:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 21:01:07,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 21:01:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 21:01:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-06 21:01:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-06 21:01:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-12-06 21:01:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-12-06 21:01:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-12-06 21:01:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-12-06 21:01:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 21:01:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 21:01:07,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_device [2021-12-06 21:01:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_device [2021-12-06 21:01:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend_noirq [2021-12-06 21:01:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend_noirq [2021-12-06 21:01:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-06 21:01:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-06 21:01:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-12-06 21:01:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-12-06 21:01:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_suspend [2021-12-06 21:01:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_suspend [2021-12-06 21:01:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 21:01:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 21:01:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-12-06 21:01:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-12-06 21:01:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-12-06 21:01:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-12-06 21:01:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2021-12-06 21:01:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2021-12-06 21:01:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 21:01:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 21:01:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:01:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:01:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id_intf [2021-12-06 21:01:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id_intf [2021-12-06 21:01:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2021-12-06 21:01:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2021-12-06 21:01:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 21:01:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 21:01:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 21:01:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-12-06 21:01:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-12-06 21:01:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 21:01:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 21:01:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-12-06 21:01:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-12-06 21:01:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_is_primary_hcd [2021-12-06 21:01:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_is_primary_hcd [2021-12-06 21:01:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_supports_ltm [2021-12-06 21:01:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_supports_ltm [2021-12-06 21:01:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 21:01:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 21:01:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_suspended [2021-12-06 21:01:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_suspended [2021-12-06 21:01:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-12-06 21:01:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-12-06 21:01:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-12-06 21:01:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-12-06 21:01:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-12-06 21:01:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-12-06 21:01:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-12-06 21:01:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-12-06 21:01:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-06 21:01:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-06 21:01:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 21:01:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 21:01:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-12-06 21:01:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-12-06 21:01:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-12-06 21:01:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-12-06 21:01:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 21:01:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 21:01:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 21:01:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 21:01:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-12-06 21:01:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-12-06 21:01:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 21:01:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 21:01:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-12-06 21:01:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-12-06 21:01:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce_be_connected [2021-12-06 21:01:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce_be_connected [2021-12-06 21:01:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-12-06 21:01:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-12-06 21:01:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_port_feature [2021-12-06 21:01:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_port_feature [2021-12-06 21:01:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-06 21:01:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-06 21:01:07,703 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 21:01:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 21:01:07,703 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-12-06 21:01:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-12-06 21:01:07,703 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 21:01:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 21:01:07,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-12-06 21:01:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-12-06 21:01:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-12-06 21:01:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-12-06 21:01:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 21:01:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 21:01:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:01:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 21:01:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 21:01:07,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-06 21:01:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-06 21:01:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_alloc_coherent [2021-12-06 21:01:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_alloc_coherent [2021-12-06 21:01:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-12-06 21:01:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-12-06 21:01:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-12-06 21:01:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-12-06 21:01:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 21:01:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_noresume [2021-12-06 21:01:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_noresume [2021-12-06 21:01:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-06 21:01:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-06 21:01:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-06 21:01:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-06 21:01:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce_be_stable [2021-12-06 21:01:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce_be_stable [2021-12-06 21:01:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure plural [2021-12-06 21:01:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure plural [2021-12-06 21:01:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-12-06 21:01:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-12-06 21:01:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-12-06 21:01:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-12-06 21:01:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_sysfs_intf_files [2021-12-06 21:01:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_sysfs_intf_files [2021-12-06 21:01:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_interface [2021-12-06 21:01:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_interface [2021-12-06 21:01:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_acpi_handle [2021-12-06 21:01:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_acpi_handle [2021-12-06 21:01:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-12-06 21:01:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-12-06 21:01:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 21:01:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 21:01:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 21:01:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 21:01:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 21:01:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 21:01:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cancel_queued_reset [2021-12-06 21:01:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cancel_queued_reset [2021-12-06 21:01:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 21:01:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 21:01:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_status_mutex_of_usb_hub [2021-12-06 21:01:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_status_mutex_of_usb_hub [2021-12-06 21:01:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_dynamic_id [2021-12-06 21:01:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_dynamic_id [2021-12-06 21:01:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_free_coherent [2021-12-06 21:01:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_free_coherent [2021-12-06 21:01:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 21:01:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 21:01:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 21:01:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 21:01:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 21:01:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 21:01:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_hub_port_connect_type [2021-12-06 21:01:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_hub_port_connect_type [2021-12-06 21:01:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-12-06 21:01:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-12-06 21:01:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-12-06 21:01:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-12-06 21:01:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 21:01:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 21:01:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 21:01:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 21:01:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_pre_add [2021-12-06 21:01:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_pre_add [2021-12-06 21:01:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-12-06 21:01:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-12-06 21:01:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-06 21:01:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-06 21:01:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-12-06 21:01:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-12-06 21:01:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2021-12-06 21:01:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2021-12-06 21:01:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-12-06 21:01:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-12-06 21:01:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-12-06 21:01:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-12-06 21:01:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_ep_devs [2021-12-06 21:01:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_ep_devs [2021-12-06 21:01:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 21:01:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 21:01:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:01:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-12-06 21:01:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-12-06 21:01:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-06 21:01:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-06 21:01:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 21:01:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 21:01:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 21:01:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 21:01:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-12-06 21:01:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-12-06 21:01:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-12-06 21:01:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-12-06 21:01:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-12-06 21:01:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-12-06 21:01:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-12-06 21:01:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-12-06 21:01:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-06 21:01:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-06 21:01:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 21:01:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 21:01:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2021-12-06 21:01:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2021-12-06 21:01:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_if_uevent [2021-12-06 21:01:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_if_uevent [2021-12-06 21:01:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2021-12-06 21:01:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2021-12-06 21:01:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-12-06 21:01:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-12-06 21:01:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-06 21:01:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-06 21:01:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-12-06 21:01:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-12-06 21:01:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 21:01:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 21:01:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_endpoint [2021-12-06 21:01:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_endpoint [2021-12-06 21:01:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 21:01:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 21:01:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-12-06 21:01:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-12-06 21:01:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-12-06 21:01:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-12-06 21:01:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-06 21:01:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-06 21:01:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure show_string [2021-12-06 21:01:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure show_string [2021-12-06 21:01:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid_info_as_cred [2021-12-06 21:01:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid_info_as_cred [2021-12-06 21:01:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-06 21:01:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-06 21:01:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_descriptor [2021-12-06 21:01:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_descriptor [2021-12-06 21:01:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-06 21:01:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-06 21:01:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-12-06 21:01:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-12-06 21:01:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-06 21:01:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-06 21:01:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-06 21:01:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-06 21:01:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 21:01:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 21:01:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-12-06 21:01:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-12-06 21:01:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure autosuspend_check [2021-12-06 21:01:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure autosuspend_check [2021-12-06 21:01:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2021-12-06 21:01:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2021-12-06 21:01:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-12-06 21:01:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-12-06 21:01:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-12-06 21:01:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-12-06 21:01:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-12-06 21:01:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-12-06 21:01:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-06 21:01:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-06 21:01:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-06 21:01:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-06 21:01:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 21:01:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 21:01:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-12-06 21:01:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-12-06 21:01:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-12-06 21:01:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-12-06 21:01:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 21:01:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 21:01:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt___1 [2021-12-06 21:01:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt___1 [2021-12-06 21:01:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 21:01:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 21:01:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-12-06 21:01:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-12-06 21:01:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-12-06 21:01:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-12-06 21:01:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-12-06 21:01:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-12-06 21:01:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_connect_type [2021-12-06 21:01:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_connect_type [2021-12-06 21:01:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-12-06 21:01:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-12-06 21:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_mel [2021-12-06 21:01:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_mel [2021-12-06 21:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-12-06 21:01:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-12-06 21:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-06 21:01:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-06 21:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device [2021-12-06 21:01:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device [2021-12-06 21:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-12-06 21:01:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-12-06 21:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_prepare_to_sleep [2021-12-06 21:01:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_prepare_to_sleep [2021-12-06 21:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure pm_generic_runtime_idle [2021-12-06 21:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-06 21:01:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-06 21:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure for_each_companion [2021-12-06 21:01:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure for_each_companion [2021-12-06 21:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_free [2021-12-06 21:01:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_free [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 21:01:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 21:01:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-12-06 21:01:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-06 21:01:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:01:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-12-06 21:01:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-12-06 21:01:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure create_intf_ep_devs [2021-12-06 21:01:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure create_intf_ep_devs [2021-12-06 21:01:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_prepare [2021-12-06 21:01:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_prepare [2021-12-06 21:01:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-12-06 21:01:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-12-06 21:01:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 21:01:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 21:01:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 21:01:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 21:01:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-12-06 21:01:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-12-06 21:01:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-06 21:01:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-06 21:01:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-06 21:01:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-12-06 21:01:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-12-06 21:01:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-06 21:01:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-06 21:01:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_open [2021-12-06 21:01:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_open [2021-12-06 21:01:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 21:01:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-12-06 21:01:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-12-06 21:01:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure check_ports_changed [2021-12-06 21:01:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ports_changed [2021-12-06 21:01:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 21:01:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 21:01:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 21:01:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-12-06 21:01:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure warn_level [2021-12-06 21:01:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_level [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 21:01:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-12-06 21:01:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-12-06 21:01:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_interface [2021-12-06 21:01:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_interface [2021-12-06 21:01:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-06 21:01:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-06 21:01:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-12-06 21:01:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-12-06 21:01:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 21:01:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 21:01:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-06 21:01:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-12-06 21:01:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-12-06 21:01:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 21:01:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-12-06 21:01:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 21:01:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 21:01:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-12-06 21:01:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-12-06 21:01:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-12-06 21:01:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-12-06 21:01:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-12-06 21:01:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-12-06 21:01:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-12-06 21:01:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-12-06 21:01:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-12-06 21:01:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-12-06 21:01:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 21:01:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usbfs_mutex [2021-12-06 21:01:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usbfs_mutex [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_uevent [2021-12-06 21:01:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_uevent [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-06 21:01:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-06 21:01:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset_required [2021-12-06 21:01:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset_required [2021-12-06 21:01:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-12-06 21:01:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-12-06 21:01:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 21:01:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 21:01:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-12-06 21:01:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-12-06 21:01:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_post_add [2021-12-06 21:01:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_post_add [2021-12-06 21:01:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-06 21:01:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-06 21:01:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-12-06 21:01:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-12-06 21:01:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure security_task_getsecid [2021-12-06 21:01:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure security_task_getsecid [2021-12-06 21:01:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_set_port_power [2021-12-06 21:01:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_set_port_power [2021-12-06 21:01:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-12-06 21:01:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-12-06 21:01:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-12-06 21:01:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-12-06 21:01:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2021-12-06 21:01:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2021-12-06 21:01:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume_noirq [2021-12-06 21:01:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume_noirq [2021-12-06 21:01:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_runtime_resume [2021-12-06 21:01:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_runtime_resume [2021-12-06 21:01:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-12-06 21:01:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-12-06 21:01:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bandwidth_mutex_of_usb_hcd [2021-12-06 21:01:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bandwidth_mutex_of_usb_hcd [2021-12-06 21:01:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autosuspend_device [2021-12-06 21:01:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autosuspend_device [2021-12-06 21:01:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-12-06 21:01:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-12-06 21:01:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 21:01:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 21:01:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 21:01:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 21:01:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-12-06 21:01:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-12-06 21:01:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-06 21:01:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-06 21:01:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2021-12-06 21:01:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2021-12-06 21:01:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-12-06 21:01:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-12-06 21:01:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-12-06 21:01:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-12-06 21:01:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-12-06 21:01:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-12-06 21:01:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:01:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:01:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:01:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:01:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-12-06 21:01:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-12-06 21:01:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2021-12-06 21:01:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2021-12-06 21:01:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure pm_suspend_ignore_children [2021-12-06 21:01:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_suspend_ignore_children [2021-12-06 21:01:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-12-06 21:01:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-12-06 21:01:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-12-06 21:01:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-12-06 21:01:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure usbfs_decrease_memory_usage [2021-12-06 21:01:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usbfs_decrease_memory_usage [2021-12-06 21:01:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 21:01:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 21:01:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 21:01:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 21:01:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure is_root_hub [2021-12-06 21:01:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_root_hub [2021-12-06 21:01:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-12-06 21:01:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-12-06 21:01:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-12-06 21:01:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-12-06 21:01:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-12-06 21:01:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-12-06 21:01:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-06 21:01:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-06 21:01:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_function_remotewakeup [2021-12-06 21:01:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_function_remotewakeup [2021-12-06 21:01:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 21:01:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 21:01:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 21:01:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 21:01:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-12-06 21:01:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-12-06 21:01:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure dev_pm_qos_flags [2021-12-06 21:01:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_pm_qos_flags [2021-12-06 21:01:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-06 21:01:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-06 21:01:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-06 21:01:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-06 21:01:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-12-06 21:01:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-12-06 21:01:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kick_khubd [2021-12-06 21:01:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kick_khubd [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_superspeed [2021-12-06 21:01:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_superspeed [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 21:01:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 21:01:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-06 21:01:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-06 21:01:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-12-06 21:01:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-12-06 21:01:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 21:01:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-12-06 21:01:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-12-06 21:01:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 21:01:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 21:01:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-12-06 21:01:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-12-06 21:01:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-06 21:01:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-06 21:01:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-12-06 21:01:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-12-06 21:01:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_detect_quirks [2021-12-06 21:01:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_detect_quirks [2021-12-06 21:01:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_device_release [2021-12-06 21:01:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_device_release [2021-12-06 21:01:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-12-06 21:01:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-12-06 21:01:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-06 21:01:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-06 21:01:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_uevent [2021-12-06 21:01:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_uevent [2021-12-06 21:01:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-12-06 21:01:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-12-06 21:01:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_runtime_suspend [2021-12-06 21:01:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_runtime_suspend [2021-12-06 21:01:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 21:01:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 21:01:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_adjust_deviceremovable [2021-12-06 21:01:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_adjust_deviceremovable [2021-12-06 21:01:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-12-06 21:01:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-12-06 21:01:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-12-06 21:01:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-12-06 21:01:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-12-06 21:01:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-12-06 21:01:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-12-06 21:01:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-12-06 21:01:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-12-06 21:01:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-12-06 21:01:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-12-06 21:01:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-12-06 21:01:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_poll [2021-12-06 21:01:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_poll [2021-12-06 21:01:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-06 21:01:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-06 21:01:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 21:01:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 21:01:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-06 21:01:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-06 21:01:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-12-06 21:01:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-12-06 21:01:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-06 21:01:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-06 21:01:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure connected [2021-12-06 21:01:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure connected [2021-12-06 21:01:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-12-06 21:01:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-12-06 21:01:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-12-06 21:01:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-12-06 21:01:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-12-06 21:01:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-12-06 21:01:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-12-06 21:01:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-12-06 21:01:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-12-06 21:01:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-12-06 21:01:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-06 21:01:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-06 21:01:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure kick_khubd [2021-12-06 21:01:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_khubd [2021-12-06 21:01:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-12-06 21:01:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-12-06 21:01:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-06 21:01:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-06 21:01:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-06 21:01:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-06 21:01:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 21:01:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 21:01:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-06 21:01:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-06 21:01:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-06 21:01:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-06 21:01:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-06 21:01:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-06 21:01:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_get_child [2021-12-06 21:01:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_get_child [2021-12-06 21:01:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-12-06 21:01:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-12-06 21:01:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 21:01:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 21:01:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-06 21:01:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-06 21:01:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-06 21:01:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-06 21:01:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-12-06 21:01:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-12-06 21:01:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-12-06 21:01:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-12-06 21:01:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-12-06 21:01:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-12-06 21:01:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-06 21:01:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-06 21:01:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-12-06 21:01:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-12-06 21:01:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 21:01:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-12-06 21:01:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-12-06 21:01:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-12-06 21:01:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-12-06 21:01:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usbfs_mutex [2021-12-06 21:01:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usbfs_mutex [2021-12-06 21:01:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure driver_resume [2021-12-06 21:01:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_resume [2021-12-06 21:01:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-06 21:01:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-06 21:01:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure remove_intf_ep_devs [2021-12-06 21:01:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_intf_ep_devs [2021-12-06 21:01:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-12-06 21:01:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-12-06 21:01:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-06 21:01:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-06 21:01:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-06 21:01:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-06 21:01:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 21:01:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 21:01:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-12-06 21:01:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-12-06 21:01:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_match [2021-12-06 21:01:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_match [2021-12-06 21:01:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-12-06 21:01:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-12-06 21:01:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-12-06 21:01:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-12-06 21:01:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2021-12-06 21:01:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2021-12-06 21:01:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure update_devnum [2021-12-06 21:01:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure update_devnum [2021-12-06 21:01:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_wusb [2021-12-06 21:01:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_wusb [2021-12-06 21:01:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-06 21:01:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-06 21:01:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-12-06 21:01:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-12-06 21:01:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ep_device_release [2021-12-06 21:01:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_device_release [2021-12-06 21:01:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure driver_probe [2021-12-06 21:01:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_probe [2021-12-06 21:01:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_bos_descriptor [2021-12-06 21:01:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_bos_descriptor [2021-12-06 21:01:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-06 21:01:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-06 21:01:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remote_wakeup [2021-12-06 21:01:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remote_wakeup [2021-12-06 21:01:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-12-06 21:01:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-12-06 21:01:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure powermac_set_asic [2021-12-06 21:01:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure powermac_set_asic [2021-12-06 21:01:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure suspend_common [2021-12-06 21:01:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure suspend_common [2021-12-06 21:01:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-12-06 21:01:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-12-06 21:01:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 21:01:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 21:01:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-12-06 21:01:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-12-06 21:01:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 21:01:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 21:01:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 21:01:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 21:01:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 21:01:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 21:01:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure check_root_hub_suspended [2021-12-06 21:01:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure check_root_hub_suspended [2021-12-06 21:01:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_max_power [2021-12-06 21:01:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_max_power [2021-12-06 21:01:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-12-06 21:01:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-12-06 21:01:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-12-06 21:01:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-12-06 21:01:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-12-06 21:01:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-12-06 21:01:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_suspend [2021-12-06 21:01:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_suspend [2021-12-06 21:01:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-12-06 21:01:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-12-06 21:01:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-12-06 21:01:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-12-06 21:01:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-12-06 21:01:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-12-06 21:01:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 21:01:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 21:01:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2021-12-06 21:01:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2021-12-06 21:01:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-12-06 21:01:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-12-06 21:01:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2021-12-06 21:01:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2021-12-06 21:01:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __suspend_report_result [2021-12-06 21:01:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __suspend_report_result [2021-12-06 21:01:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-12-06 21:01:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-12-06 21:01:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 21:01:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 21:01:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device_driver [2021-12-06 21:01:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device_driver [2021-12-06 21:01:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure is_ohci_or_uhci [2021-12-06 21:01:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ohci_or_uhci [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-12-06 21:01:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 21:01:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 21:01:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:01:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure device_pm_wait_for_dev [2021-12-06 21:01:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure device_pm_wait_for_dev [2021-12-06 21:01:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-12-06 21:01:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-12-06 21:01:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_sel [2021-12-06 21:01:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_sel [2021-12-06 21:01:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-12-06 21:01:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-12-06 21:01:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_port [2021-12-06 21:01:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_port [2021-12-06 21:01:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2021-12-06 21:01:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2021-12-06 21:01:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_choose_configuration [2021-12-06 21:01:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_choose_configuration [2021-12-06 21:01:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend [2021-12-06 21:01:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend [2021-12-06 21:01:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:01:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:01:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-12-06 21:01:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-12-06 21:01:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 21:01:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 21:01:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-12-06 21:01:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-12-06 21:01:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acpi_find_device [2021-12-06 21:01:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acpi_find_device [2021-12-06 21:01:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-12-06 21:01:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-12-06 21:01:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-12-06 21:01:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-12-06 21:01:08,965 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:01:08,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:05:05,368 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:05:05,413 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:05:05,414 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 21:05:05,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:05 BoogieIcfgContainer [2021-12-06 21:05:05,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:05:05,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:05:05,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:05:05,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:05:05,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:00:52" (1/3) ... [2021-12-06 21:05:05,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd56cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:05, skipping insertion in model container [2021-12-06 21:05:05,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:06" (2/3) ... [2021-12-06 21:05:05,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd56cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:05, skipping insertion in model container [2021-12-06 21:05:05,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:05" (3/3) ... [2021-12-06 21:05:05,430 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--core--usbcore.ko-ldv_main13.cil.out.i [2021-12-06 21:05:05,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:05:05,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:05:05,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:05:05,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:05:05,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:05:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 7774 states, 5428 states have (on average 1.3769344141488578) internal successors, (7474), 5592 states have internal predecessors, (7474), 1872 states have call successors, (1872), 472 states have call predecessors, (1872), 472 states have return successors, (1872), 1845 states have call predecessors, (1872), 1872 states have call successors, (1872) [2021-12-06 21:05:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 21:05:05,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:05,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:05,665 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:05,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:05,670 INFO L85 PathProgramCache]: Analyzing trace with hash -664826624, now seen corresponding path program 1 times [2021-12-06 21:05:05,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:05,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463119602] [2021-12-06 21:05:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:05,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:05:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:05:06,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:06,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463119602] [2021-12-06 21:05:06,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463119602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:06,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:06,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:05:06,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246784788] [2021-12-06 21:05:06,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:06,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:06,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:06,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:06,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:06,886 INFO L87 Difference]: Start difference. First operand has 7774 states, 5428 states have (on average 1.3769344141488578) internal successors, (7474), 5592 states have internal predecessors, (7474), 1872 states have call successors, (1872), 472 states have call predecessors, (1872), 472 states have return successors, (1872), 1845 states have call predecessors, (1872), 1872 states have call successors, (1872) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:05:09,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:05:11,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:05:14,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 21:05:18,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:06:22,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:06:22,696 INFO L93 Difference]: Finished difference Result 27882 states and 43364 transitions. [2021-12-06 21:06:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:06:22,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-12-06 21:06:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:06:22,828 INFO L225 Difference]: With dead ends: 27882 [2021-12-06 21:06:22,828 INFO L226 Difference]: Without dead ends: 20082 [2021-12-06 21:06:22,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:06:22,890 INFO L933 BasicCegarLoop]: 12551 mSDtfsCounter, 23392 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 20656 mSolverCounterSat, 9223 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25170 SdHoareTripleChecker+Valid, 14169 SdHoareTripleChecker+Invalid, 29883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9223 IncrementalHoareTripleChecker+Valid, 20656 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:06:22,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25170 Valid, 14169 Invalid, 29883 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9223 Valid, 20656 Invalid, 4 Unknown, 0 Unchecked, 74.0s Time] [2021-12-06 21:06:22,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20082 states. [2021-12-06 21:06:23,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20082 to 18123. [2021-12-06 21:06:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18123 states, 12668 states have (on average 1.3726712977581308) internal successors, (17389), 13053 states have internal predecessors, (17389), 4309 states have call successors, (4309), 931 states have call predecessors, (4309), 1145 states have return successors, (5455), 4421 states have call predecessors, (5455), 4277 states have call successors, (5455) [2021-12-06 21:06:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18123 states to 18123 states and 27153 transitions. [2021-12-06 21:06:23,963 INFO L78 Accepts]: Start accepts. Automaton has 18123 states and 27153 transitions. Word has length 12 [2021-12-06 21:06:23,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:06:23,964 INFO L470 AbstractCegarLoop]: Abstraction has 18123 states and 27153 transitions. [2021-12-06 21:06:23,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:06:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 18123 states and 27153 transitions. [2021-12-06 21:06:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 21:06:23,965 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:06:23,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:06:23,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:06:23,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:06:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:06:23,966 INFO L85 PathProgramCache]: Analyzing trace with hash 861652570, now seen corresponding path program 1 times [2021-12-06 21:06:23,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:06:23,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191197489] [2021-12-06 21:06:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:06:23,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:06:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:06:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:06:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:06:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:06:24,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:06:24,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191197489] [2021-12-06 21:06:24,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191197489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:06:24,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:06:24,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:06:24,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722699713] [2021-12-06 21:06:24,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:06:24,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:06:24,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:06:24,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:06:24,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:06:24,648 INFO L87 Difference]: Start difference. First operand 18123 states and 27153 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:06:26,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:06:28,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:06:55,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:06:55,206 INFO L93 Difference]: Finished difference Result 20071 states and 30405 transitions. [2021-12-06 21:06:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:06:55,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-12-06 21:06:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:06:55,295 INFO L225 Difference]: With dead ends: 20071 [2021-12-06 21:06:55,295 INFO L226 Difference]: Without dead ends: 20068 [2021-12-06 21:06:55,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:06:55,304 INFO L933 BasicCegarLoop]: 9437 mSDtfsCounter, 17655 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 7141 mSolverCounterSat, 6759 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18516 SdHoareTripleChecker+Valid, 9468 SdHoareTripleChecker+Invalid, 13902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6759 IncrementalHoareTripleChecker+Valid, 7141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:06:55,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18516 Valid, 9468 Invalid, 13902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6759 Valid, 7141 Invalid, 2 Unknown, 0 Unchecked, 29.6s Time] [2021-12-06 21:06:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20068 states. [2021-12-06 21:06:56,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20068 to 18122. [2021-12-06 21:06:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18122 states, 12668 states have (on average 1.3725923586990842) internal successors, (17388), 13052 states have internal predecessors, (17388), 4308 states have call successors, (4308), 931 states have call predecessors, (4308), 1145 states have return successors, (5455), 4421 states have call predecessors, (5455), 4277 states have call successors, (5455) [2021-12-06 21:06:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18122 states to 18122 states and 27151 transitions. [2021-12-06 21:06:56,133 INFO L78 Accepts]: Start accepts. Automaton has 18122 states and 27151 transitions. Word has length 13 [2021-12-06 21:06:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:06:56,134 INFO L470 AbstractCegarLoop]: Abstraction has 18122 states and 27151 transitions. [2021-12-06 21:06:56,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:06:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18122 states and 27151 transitions. [2021-12-06 21:06:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 21:06:56,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:06:56,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:06:56,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:06:56,136 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:06:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:06:56,136 INFO L85 PathProgramCache]: Analyzing trace with hash 937872195, now seen corresponding path program 1 times [2021-12-06 21:06:56,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:06:56,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386359025] [2021-12-06 21:06:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:06:56,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:06:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:06:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:06:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:06:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:06:56,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:06:56,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386359025] [2021-12-06 21:06:56,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386359025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:06:56,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:06:56,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:06:56,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029640668] [2021-12-06 21:06:56,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:06:56,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:06:56,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:06:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:06:56,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:06:56,752 INFO L87 Difference]: Start difference. First operand 18122 states and 27151 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:06:58,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:07:00,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:07:27,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:07:27,736 INFO L93 Difference]: Finished difference Result 20070 states and 30403 transitions. [2021-12-06 21:07:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:07:27,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-12-06 21:07:27,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:07:27,806 INFO L225 Difference]: With dead ends: 20070 [2021-12-06 21:07:27,807 INFO L226 Difference]: Without dead ends: 20067 [2021-12-06 21:07:27,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:07:27,820 INFO L933 BasicCegarLoop]: 9394 mSDtfsCounter, 17692 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 7146 mSolverCounterSat, 6776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18546 SdHoareTripleChecker+Valid, 9425 SdHoareTripleChecker+Invalid, 13924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6776 IncrementalHoareTripleChecker+Valid, 7146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:07:27,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18546 Valid, 9425 Invalid, 13924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6776 Valid, 7146 Invalid, 2 Unknown, 0 Unchecked, 30.0s Time] [2021-12-06 21:07:27,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20067 states. [2021-12-06 21:07:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20067 to 18121. [2021-12-06 21:07:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18121 states, 12668 states have (on average 1.372513419640038) internal successors, (17387), 13051 states have internal predecessors, (17387), 4307 states have call successors, (4307), 931 states have call predecessors, (4307), 1145 states have return successors, (5455), 4421 states have call predecessors, (5455), 4277 states have call successors, (5455) [2021-12-06 21:07:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18121 states to 18121 states and 27149 transitions. [2021-12-06 21:07:28,598 INFO L78 Accepts]: Start accepts. Automaton has 18121 states and 27149 transitions. Word has length 14 [2021-12-06 21:07:28,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:07:28,599 INFO L470 AbstractCegarLoop]: Abstraction has 18121 states and 27149 transitions. [2021-12-06 21:07:28,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:07:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 18121 states and 27149 transitions. [2021-12-06 21:07:28,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 21:07:28,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:07:28,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:07:28,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:07:28,600 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:07:28,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:07:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash -994281859, now seen corresponding path program 1 times [2021-12-06 21:07:28,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:07:28,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534619588] [2021-12-06 21:07:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:07:28,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:07:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:07:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:07:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:07:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:07:29,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:07:29,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534619588] [2021-12-06 21:07:29,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534619588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:07:29,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:07:29,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:07:29,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736588632] [2021-12-06 21:07:29,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:07:29,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:07:29,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:07:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:07:29,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:07:29,119 INFO L87 Difference]: Start difference. First operand 18121 states and 27149 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:07:31,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:07:33,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:07:46,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:08:03,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 21:08:24,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:08:27,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:08:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:08:49,589 INFO L93 Difference]: Finished difference Result 57539 states and 93975 transitions. [2021-12-06 21:08:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:08:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-12-06 21:08:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:08:49,748 INFO L225 Difference]: With dead ends: 57539 [2021-12-06 21:08:49,748 INFO L226 Difference]: Without dead ends: 39424 [2021-12-06 21:08:49,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:08:49,843 INFO L933 BasicCegarLoop]: 12746 mSDtfsCounter, 23364 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 21627 mSolverCounterSat, 9098 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25102 SdHoareTripleChecker+Valid, 15583 SdHoareTripleChecker+Invalid, 30730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9098 IncrementalHoareTripleChecker+Valid, 21627 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:08:49,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25102 Valid, 15583 Invalid, 30730 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9098 Valid, 21627 Invalid, 5 Unknown, 0 Unchecked, 78.1s Time] [2021-12-06 21:08:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39424 states. [2021-12-06 21:08:51,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39424 to 37487. [2021-12-06 21:08:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37487 states, 26305 states have (on average 1.3755939935373502) internal successors, (36185), 27082 states have internal predecessors, (36185), 8830 states have call successors, (8830), 1843 states have call predecessors, (8830), 2351 states have return successors, (14904), 9140 states have call predecessors, (14904), 8788 states have call successors, (14904) [2021-12-06 21:08:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37487 states to 37487 states and 59919 transitions. [2021-12-06 21:08:51,523 INFO L78 Accepts]: Start accepts. Automaton has 37487 states and 59919 transitions. Word has length 15 [2021-12-06 21:08:51,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:08:51,523 INFO L470 AbstractCegarLoop]: Abstraction has 37487 states and 59919 transitions. [2021-12-06 21:08:51,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:08:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 37487 states and 59919 transitions. [2021-12-06 21:08:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 21:08:51,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:08:51,524 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:08:51,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:08:51,525 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:08:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:08:51,525 INFO L85 PathProgramCache]: Analyzing trace with hash -761510522, now seen corresponding path program 1 times [2021-12-06 21:08:51,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:08:51,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531715481] [2021-12-06 21:08:51,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:08:51,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:08:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:08:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:08:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:08:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:08:52,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:08:52,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531715481] [2021-12-06 21:08:52,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531715481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:08:52,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:08:52,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:08:52,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184115654] [2021-12-06 21:08:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:08:52,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:08:52,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:08:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:08:52,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:08:52,025 INFO L87 Difference]: Start difference. First operand 37487 states and 59919 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:08:54,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:08:56,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:09:20,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 21:09:22,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:09:42,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:10:02,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:10:02,220 INFO L93 Difference]: Finished difference Result 108692 states and 190115 transitions. [2021-12-06 21:10:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:10:02,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-12-06 21:10:02,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:10:02,551 INFO L225 Difference]: With dead ends: 108692 [2021-12-06 21:10:02,551 INFO L226 Difference]: Without dead ends: 71211 [2021-12-06 21:10:02,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:10:02,787 INFO L933 BasicCegarLoop]: 11172 mSDtfsCounter, 23201 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 18599 mSolverCounterSat, 9087 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24836 SdHoareTripleChecker+Valid, 12242 SdHoareTripleChecker+Invalid, 27691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9087 IncrementalHoareTripleChecker+Valid, 18599 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:10:02,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24836 Valid, 12242 Invalid, 27691 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9087 Valid, 18599 Invalid, 5 Unknown, 0 Unchecked, 66.3s Time] [2021-12-06 21:10:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71211 states. [2021-12-06 21:10:05,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71211 to 69071. [2021-12-06 21:10:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69071 states, 48274 states have (on average 1.3679620499647844) internal successors, (66037), 49722 states have internal predecessors, (66037), 16216 states have call successors, (16216), 3550 states have call predecessors, (16216), 4580 states have return successors, (32380), 16893 states have call predecessors, (32380), 16173 states have call successors, (32380) [2021-12-06 21:10:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69071 states to 69071 states and 114633 transitions. [2021-12-06 21:10:06,134 INFO L78 Accepts]: Start accepts. Automaton has 69071 states and 114633 transitions. Word has length 16 [2021-12-06 21:10:06,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:10:06,134 INFO L470 AbstractCegarLoop]: Abstraction has 69071 states and 114633 transitions. [2021-12-06 21:10:06,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:10:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 69071 states and 114633 transitions. [2021-12-06 21:10:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-06 21:10:06,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:10:06,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:10:06,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:10:06,135 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:10:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:10:06,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2135528800, now seen corresponding path program 1 times [2021-12-06 21:10:06,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:10:06,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447810191] [2021-12-06 21:10:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:10:06,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:10:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:10:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:10:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:10:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:10:06,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:10:06,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447810191] [2021-12-06 21:10:06,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447810191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:10:06,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:10:06,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:10:06,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774237386] [2021-12-06 21:10:06,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:10:06,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:10:06,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:10:06,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:10:06,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:10:06,702 INFO L87 Difference]: Start difference. First operand 69071 states and 114633 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:10:08,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:10:10,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:10:41,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:10:45,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 21:11:01,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:11:18,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:11:18,282 INFO L93 Difference]: Finished difference Result 207363 states and 393247 transitions. [2021-12-06 21:11:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:11:18,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-12-06 21:11:18,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:11:19,155 INFO L225 Difference]: With dead ends: 207363 [2021-12-06 21:11:19,155 INFO L226 Difference]: Without dead ends: 138298 [2021-12-06 21:11:19,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:11:19,792 INFO L933 BasicCegarLoop]: 11580 mSDtfsCounter, 23688 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 19868 mSolverCounterSat, 9343 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25381 SdHoareTripleChecker+Valid, 13167 SdHoareTripleChecker+Invalid, 29215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9343 IncrementalHoareTripleChecker+Valid, 19868 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:11:19,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25381 Valid, 13167 Invalid, 29215 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9343 Valid, 19868 Invalid, 4 Unknown, 0 Unchecked, 64.3s Time] [2021-12-06 21:11:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138298 states. [2021-12-06 21:11:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138298 to 135804. [2021-12-06 21:11:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135804 states, 94734 states have (on average 1.3658454198070387) internal successors, (129392), 97569 states have internal predecessors, (129392), 31909 states have call successors, (31909), 7030 states have call predecessors, (31909), 9160 states have return successors, (79568), 33366 states have call predecessors, (79568), 31867 states have call successors, (79568) [2021-12-06 21:11:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135804 states to 135804 states and 240869 transitions. [2021-12-06 21:11:28,173 INFO L78 Accepts]: Start accepts. Automaton has 135804 states and 240869 transitions. Word has length 17 [2021-12-06 21:11:28,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:11:28,174 INFO L470 AbstractCegarLoop]: Abstraction has 135804 states and 240869 transitions. [2021-12-06 21:11:28,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:11:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 135804 states and 240869 transitions. [2021-12-06 21:11:28,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 21:11:28,175 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:11:28,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:11:28,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:11:28,175 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:11:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:11:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1780417591, now seen corresponding path program 1 times [2021-12-06 21:11:28,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:11:28,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850152601] [2021-12-06 21:11:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:11:28,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:11:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:11:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:11:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:11:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:11:28,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:11:28,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850152601] [2021-12-06 21:11:28,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850152601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:11:28,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:11:28,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:11:28,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406068169] [2021-12-06 21:11:28,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:11:28,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:11:28,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:11:28,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:11:28,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:11:28,638 INFO L87 Difference]: Start difference. First operand 135804 states and 240869 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:11:30,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:11:32,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:11:53,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:12:08,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:12:08,243 INFO L93 Difference]: Finished difference Result 138208 states and 247014 transitions. [2021-12-06 21:12:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:12:08,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-12-06 21:12:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:12:08,969 INFO L225 Difference]: With dead ends: 138208 [2021-12-06 21:12:08,970 INFO L226 Difference]: Without dead ends: 138205 [2021-12-06 21:12:09,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:12:09,049 INFO L933 BasicCegarLoop]: 9443 mSDtfsCounter, 17641 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 7158 mSolverCounterSat, 6751 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18489 SdHoareTripleChecker+Valid, 9474 SdHoareTripleChecker+Invalid, 13911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6751 IncrementalHoareTripleChecker+Valid, 7158 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-12-06 21:12:09,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18489 Valid, 9474 Invalid, 13911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6751 Valid, 7158 Invalid, 2 Unknown, 0 Unchecked, 33.7s Time] [2021-12-06 21:12:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138205 states. [2021-12-06 21:12:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138205 to 135803. [2021-12-06 21:12:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135803 states, 94734 states have (on average 1.365834863934807) internal successors, (129391), 97568 states have internal predecessors, (129391), 31908 states have call successors, (31908), 7030 states have call predecessors, (31908), 9160 states have return successors, (79568), 33366 states have call predecessors, (79568), 31867 states have call successors, (79568) [2021-12-06 21:12:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135803 states to 135803 states and 240867 transitions. [2021-12-06 21:12:16,875 INFO L78 Accepts]: Start accepts. Automaton has 135803 states and 240867 transitions. Word has length 18 [2021-12-06 21:12:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:12:16,875 INFO L470 AbstractCegarLoop]: Abstraction has 135803 states and 240867 transitions. [2021-12-06 21:12:16,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:12:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 135803 states and 240867 transitions. [2021-12-06 21:12:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 21:12:16,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:12:16,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:12:16,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:12:16,876 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:12:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:12:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash 638100163, now seen corresponding path program 1 times [2021-12-06 21:12:16,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:12:16,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656423989] [2021-12-06 21:12:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:12:16,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:12:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:12:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:12:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:12:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:12:17,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:12:17,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656423989] [2021-12-06 21:12:17,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656423989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:12:17,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:12:17,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:12:17,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833380802] [2021-12-06 21:12:17,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:12:17,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:12:17,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:12:17,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:12:17,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:12:17,340 INFO L87 Difference]: Start difference. First operand 135803 states and 240867 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:12:19,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:12:21,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:12:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:12:56,417 INFO L93 Difference]: Finished difference Result 138414 states and 247187 transitions. [2021-12-06 21:12:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:12:56,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-12-06 21:12:56,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:12:57,117 INFO L225 Difference]: With dead ends: 138414 [2021-12-06 21:12:57,117 INFO L226 Difference]: Without dead ends: 138401 [2021-12-06 21:12:57,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:12:57,197 INFO L933 BasicCegarLoop]: 9486 mSDtfsCounter, 17620 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 7130 mSolverCounterSat, 6947 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18272 SdHoareTripleChecker+Valid, 9537 SdHoareTripleChecker+Invalid, 14079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6947 IncrementalHoareTripleChecker+Valid, 7130 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:12:57,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18272 Valid, 9537 Invalid, 14079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6947 Valid, 7130 Invalid, 2 Unknown, 0 Unchecked, 33.0s Time] [2021-12-06 21:12:57,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138401 states. [2021-12-06 21:13:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138401 to 135997. [2021-12-06 21:13:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135997 states, 94884 states have (on average 1.3652249062012562) internal successors, (129538), 97716 states have internal predecessors, (129538), 31905 states have call successors, (31905), 7076 states have call predecessors, (31905), 9207 states have return successors, (79568), 33366 states have call predecessors, (79568), 31867 states have call successors, (79568) [2021-12-06 21:13:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135997 states to 135997 states and 241011 transitions. [2021-12-06 21:13:04,899 INFO L78 Accepts]: Start accepts. Automaton has 135997 states and 241011 transitions. Word has length 19 [2021-12-06 21:13:04,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:13:04,899 INFO L470 AbstractCegarLoop]: Abstraction has 135997 states and 241011 transitions. [2021-12-06 21:13:04,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:13:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 135997 states and 241011 transitions. [2021-12-06 21:13:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 21:13:04,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:13:04,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:13:04,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:13:04,902 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:13:04,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:13:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1636978500, now seen corresponding path program 1 times [2021-12-06 21:13:04,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:13:04,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286202668] [2021-12-06 21:13:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:13:04,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:13:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 21:13:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 21:13:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 21:13:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 21:13:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 21:13:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:13:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:13:05,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:13:05,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286202668] [2021-12-06 21:13:05,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286202668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:13:05,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:13:05,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:13:05,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108559255] [2021-12-06 21:13:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:13:05,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:13:05,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:13:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:13:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:13:05,481 INFO L87 Difference]: Start difference. First operand 135997 states and 241011 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 21:13:07,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:13:14,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 21:13:18,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []