./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:01:55,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:01:55,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:01:55,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:01:55,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:01:55,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:01:55,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:01:55,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:01:55,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:01:55,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:01:55,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:01:55,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:01:55,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:01:55,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:01:55,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:01:55,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:01:55,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:01:55,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:01:55,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:01:55,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:01:55,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:01:55,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:01:55,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:01:55,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:01:55,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:01:55,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:01:55,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:01:55,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:01:55,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:01:55,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:01:55,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:01:55,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:01:55,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:01:55,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:01:55,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:01:55,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:01:55,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:01:55,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:01:55,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:01:55,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:01:55,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:01:55,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:01:55,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:01:55,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:01:55,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:01:55,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:01:55,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:01:55,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:01:55,646 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:01:55,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:01:55,647 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:01:55,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:01:55,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:01:55,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:01:55,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:01:55,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:01:55,649 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:01:55,649 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:01:55,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:01:55,650 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:01:55,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:01:55,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:01:55,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:01:55,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:01:55,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:01:55,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:01:55,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:01:55,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:01:55,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:01:55,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:01:55,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:01:55,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:55,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:01:55,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:01:55,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:01:55,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:01:55,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:01:55,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:01:55,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:01:55,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:01:55,656 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb [2021-11-25 19:01:55,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:01:56,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:01:56,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:01:56,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:01:56,014 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:01:56,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-25 19:01:56,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/data/718f40694/58e1190b02994e0cb115f6d625279388/FLAG8a5edb238 [2021-11-25 19:01:57,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:01:57,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-25 19:01:57,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/data/718f40694/58e1190b02994e0cb115f6d625279388/FLAG8a5edb238 [2021-11-25 19:01:57,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/data/718f40694/58e1190b02994e0cb115f6d625279388 [2021-11-25 19:01:57,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:01:57,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:01:57,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:57,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:01:57,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:01:57,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:57" (1/1) ... [2021-11-25 19:01:57,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f63c644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:57, skipping insertion in model container [2021-11-25 19:01:57,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:57" (1/1) ... [2021-11-25 19:01:57,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:01:58,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:02:14,258 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_ae64c0cc-a99b-473e-96c4-51026e871fd7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-25 19:02:14,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:02:15,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:02:16,217 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_ae64c0cc-a99b-473e-96c4-51026e871fd7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-25 19:02:16,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:02:17,625 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:02:17,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17 WrapperNode [2021-11-25 19:02:17,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:17,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:02:17,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:02:17,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:02:17,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:18,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:18,807 INFO L137 Inliner]: procedures = 1364, calls = 15139, calls flagged for inlining = 461, calls inlined = 268, statements flattened = 19702 [2021-11-25 19:02:18,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:02:18,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:02:18,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:02:18,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:02:18,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:18,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:19,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:19,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:19,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:20,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:20,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:20,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:02:20,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:02:20,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:02:20,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:02:20,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (1/1) ... [2021-11-25 19:02:20,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:02:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:02:20,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:02:20,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae64c0cc-a99b-473e-96c4-51026e871fd7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:02:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-25 19:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-25 19:02:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 19:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 19:02:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___3 [2021-11-25 19:02:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___3 [2021-11-25 19:02:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___4 [2021-11-25 19:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___4 [2021-11-25 19:02:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-11-25 19:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-11-25 19:02:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_urb_for_dma [2021-11-25 19:02:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_urb_for_dma [2021-11-25 19:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2021-11-25 19:02:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2021-11-25 19:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-11-25 19:02:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-11-25 19:02:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-25 19:02:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-25 19:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-25 19:02:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-25 19:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-25 19:02:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-25 19:02:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-25 19:02:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-25 19:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_state [2021-11-25 19:02:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_state [2021-11-25 19:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2021-11-25 19:02:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2021-11-25 19:02:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-11-25 19:02:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-11-25 19:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-11-25 19:02:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-11-25 19:02:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-25 19:02:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-25 19:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-25 19:02:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-25 19:02:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-11-25 19:02:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-11-25 19:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-25 19:02:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-25 19:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 19:02:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 19:02:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-25 19:02:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-25 19:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-11-25 19:02:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-11-25 19:02:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:02:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:02:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-25 19:02:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-25 19:02:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-11-25 19:02:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-11-25 19:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:02:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-25 19:02:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-25 19:02:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-25 19:02:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-25 19:02:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:02:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-25 19:02:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-25 19:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_power_on [2021-11-25 19:02:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_power_on [2021-11-25 19:02:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-25 19:02:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-25 19:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure add_device_randomness [2021-11-25 19:02:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure add_device_randomness [2021-11-25 19:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-11-25 19:02:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-11-25 19:02:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-11-25 19:02:20,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-11-25 19:02:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_pel [2021-11-25 19:02:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_pel [2021-11-25 19:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:02:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:02:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2021-11-25 19:02:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2021-11-25 19:02:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-25 19:02:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-25 19:02:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-25 19:02:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-25 19:02:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-25 19:02:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-25 19:02:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:02:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:02:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-25 19:02:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-25 19:02:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-25 19:02:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-25 19:02:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page___1 [2021-11-25 19:02:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page___1 [2021-11-25 19:02:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure bus_find_device [2021-11-25 19:02:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_find_device [2021-11-25 19:02:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure driver_suspend [2021-11-25 19:02:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_suspend [2021-11-25 19:02:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_poll [2021-11-25 19:02:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_poll [2021-11-25 19:02:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-11-25 19:02:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-11-25 19:02:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-11-25 19:02:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-11-25 19:02:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:02:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:02:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_status_mutex [2021-11-25 19:02:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_status_mutex [2021-11-25 19:02:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-25 19:02:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-25 19:02:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-25 19:02:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-25 19:02:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:02:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:02:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-25 19:02:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-25 19:02:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-25 19:02:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-25 19:02:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_alt_setting [2021-11-25 19:02:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_alt_setting [2021-11-25 19:02:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-25 19:02:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-25 19:02:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:02:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:02:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-25 19:02:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-25 19:02:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2021-11-25 19:02:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2021-11-25 19:02:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___3 [2021-11-25 19:02:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___3 [2021-11-25 19:02:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___4 [2021-11-25 19:02:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___4 [2021-11-25 19:02:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-11-25 19:02:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-11-25 19:02:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure async_getcompleted [2021-11-25 19:02:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure async_getcompleted [2021-11-25 19:02:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_reset_endpoint [2021-11-25 19:02:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_reset_endpoint [2021-11-25 19:02:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-25 19:02:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-25 19:02:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:02:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-25 19:02:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-25 19:02:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-25 19:02:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-25 19:02:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-25 19:02:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-25 19:02:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 19:02:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 19:02:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___1 [2021-11-25 19:02:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___1 [2021-11-25 19:02:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_usb2_hardware_lpm [2021-11-25 19:02:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_usb2_hardware_lpm [2021-11-25 19:02:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-25 19:02:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-25 19:02:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_alloc [2021-11-25 19:02:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_alloc [2021-11-25 19:02:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-25 19:02:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-25 19:02:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-25 19:02:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-25 19:02:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure hub_free_dev [2021-11-25 19:02:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_free_dev [2021-11-25 19:02:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-25 19:02:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-25 19:02:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:02:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:02:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_is_owned [2021-11-25 19:02:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_is_owned [2021-11-25 19:02:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-25 19:02:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-25 19:02:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-25 19:02:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-25 19:02:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 19:02:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 19:02:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-25 19:02:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-25 19:02:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure release_devnum [2021-11-25 19:02:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure release_devnum [2021-11-25 19:02:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_urb [2021-11-25 19:02:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_urb [2021-11-25 19:02:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-11-25 19:02:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-11-25 19:02:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:02:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autoresume_device [2021-11-25 19:02:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autoresume_device [2021-11-25 19:02:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:02:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:02:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:02:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-25 19:02:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-25 19:02:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:02:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:02:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 19:02:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 19:02:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-25 19:02:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-25 19:02:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_ep_devs [2021-11-25 19:02:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_ep_devs [2021-11-25 19:02:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-25 19:02:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-25 19:02:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:02:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:02:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-25 19:02:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-25 19:02:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-25 19:02:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-25 19:02:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-25 19:02:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-25 19:02:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-11-25 19:02:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-11-25 19:02:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:02:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:02:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_device [2021-11-25 19:02:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_device [2021-11-25 19:02:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend_noirq [2021-11-25 19:02:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend_noirq [2021-11-25 19:02:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-25 19:02:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-25 19:02:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-25 19:02:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-25 19:02:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-25 19:02:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-25 19:02:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_suspend [2021-11-25 19:02:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_suspend [2021-11-25 19:02:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:02:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:02:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-25 19:02:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-25 19:02:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-25 19:02:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-25 19:02:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2021-11-25 19:02:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2021-11-25 19:02:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 19:02:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 19:02:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:02:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:02:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id_intf [2021-11-25 19:02:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id_intf [2021-11-25 19:02:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:02:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:02:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:02:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-25 19:02:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-25 19:02:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:02:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 19:02:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-25 19:02:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-25 19:02:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_is_primary_hcd [2021-11-25 19:02:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_is_primary_hcd [2021-11-25 19:02:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_supports_ltm [2021-11-25 19:02:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_supports_ltm [2021-11-25 19:02:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:02:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:02:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_suspended [2021-11-25 19:02:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_suspended [2021-11-25 19:02:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-25 19:02:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-25 19:02:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-25 19:02:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-25 19:02:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-25 19:02:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-25 19:02:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-11-25 19:02:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-11-25 19:02:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-25 19:02:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-25 19:02:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 19:02:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 19:02:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-25 19:02:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-25 19:02:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-25 19:02:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-25 19:02:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:02:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:02:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 19:02:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 19:02:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-25 19:02:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-25 19:02:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:02:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:02:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-25 19:02:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-25 19:02:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-25 19:02:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-25 19:02:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-11-25 19:02:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-11-25 19:02:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 19:02:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 19:02:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-11-25 19:02:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-11-25 19:02:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 19:02:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 19:02:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-25 19:02:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-25 19:02:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-11-25 19:02:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-11-25 19:02:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 19:02:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 19:02:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:02:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:02:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:02:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-11-25 19:02:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-11-25 19:02:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_alloc_coherent [2021-11-25 19:02:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_alloc_coherent [2021-11-25 19:02:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-25 19:02:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-25 19:02:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-25 19:02:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-25 19:02:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure hub_ioctl [2021-11-25 19:02:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_ioctl [2021-11-25 19:02:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:02:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_noresume [2021-11-25 19:02:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_noresume [2021-11-25 19:02:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 19:02:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 19:02:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 19:02:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 19:02:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure plural [2021-11-25 19:02:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure plural [2021-11-25 19:02:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-25 19:02:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-25 19:02:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-11-25 19:02:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-11-25 19:02:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_sysfs_intf_files [2021-11-25 19:02:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_sysfs_intf_files [2021-11-25 19:02:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_interface [2021-11-25 19:02:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_interface [2021-11-25 19:02:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_acpi_handle [2021-11-25 19:02:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_acpi_handle [2021-11-25 19:02:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-25 19:02:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-25 19:02:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 19:02:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 19:02:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:02:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:02:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 19:02:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 19:02:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cancel_queued_reset [2021-11-25 19:02:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cancel_queued_reset [2021-11-25 19:02:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 19:02:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 19:02:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_dynamic_id [2021-11-25 19:02:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_dynamic_id [2021-11-25 19:02:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_free_coherent [2021-11-25 19:02:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_free_coherent [2021-11-25 19:02:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-25 19:02:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-25 19:02:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:02:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:02:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-25 19:02:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-25 19:02:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_hub_port_connect_type [2021-11-25 19:02:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_hub_port_connect_type [2021-11-25 19:02:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-25 19:02:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-25 19:02:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-25 19:02:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-25 19:02:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-25 19:02:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-25 19:02:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:02:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:02:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-25 19:02:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-25 19:02:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure hdev_to_hub [2021-11-25 19:02:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hdev_to_hub [2021-11-25 19:02:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-11-25 19:02:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-11-25 19:02:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-11-25 19:02:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-11-25 19:02:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2021-11-25 19:02:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2021-11-25 19:02:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-11-25 19:02:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-11-25 19:02:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-11-25 19:02:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-11-25 19:02:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_ep_devs [2021-11-25 19:02:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_ep_devs [2021-11-25 19:02:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 19:02:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 19:02:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:02:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-25 19:02:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-25 19:02:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-11-25 19:02:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-11-25 19:02:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 19:02:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 19:02:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:02:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:02:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-11-25 19:02:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-11-25 19:02:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-25 19:02:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-25 19:02:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-25 19:02:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-25 19:02:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-25 19:02:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-25 19:02:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-11-25 19:02:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-11-25 19:02:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-11-25 19:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-11-25 19:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 19:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 19:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2021-11-25 19:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2021-11-25 19:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2021-11-25 19:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2021-11-25 19:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-25 19:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-25 19:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-25 19:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-25 19:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-11-25 19:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-11-25 19:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 19:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 19:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_endpoint [2021-11-25 19:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_endpoint [2021-11-25 19:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-11-25 19:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-11-25 19:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-25 19:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-25 19:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-25 19:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-25 19:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure show_string [2021-11-25 19:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure show_string [2021-11-25 19:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid_info_as_cred [2021-11-25 19:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid_info_as_cred [2021-11-25 19:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-25 19:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-25 19:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_descriptor [2021-11-25 19:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_descriptor [2021-11-25 19:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-25 19:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-25 19:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-25 19:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-25 19:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-25 19:02:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-25 19:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-25 19:02:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-25 19:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 19:02:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 19:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-25 19:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-25 19:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure autosuspend_check [2021-11-25 19:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure autosuspend_check [2021-11-25 19:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2021-11-25 19:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2021-11-25 19:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-25 19:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-25 19:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-25 19:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-25 19:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-25 19:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-25 19:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-25 19:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-25 19:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-11-25 19:02:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-11-25 19:02:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 19:02:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 19:02:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-11-25 19:02:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-11-25 19:02:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-25 19:02:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-25 19:02:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 19:02:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 19:02:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt___1 [2021-11-25 19:02:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt___1 [2021-11-25 19:02:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:02:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:02:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-25 19:02:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-25 19:02:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-11-25 19:02:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-11-25 19:02:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-25 19:02:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-25 19:02:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-25 19:02:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-25 19:02:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_mel [2021-11-25 19:02:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_mel [2021-11-25 19:02:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-25 19:02:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-25 19:02:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-25 19:02:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-25 19:02:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device [2021-11-25 19:02:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device [2021-11-25 19:02:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure companion_common [2021-11-25 19:02:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure companion_common [2021-11-25 19:02:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-25 19:02:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-25 19:02:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_prepare_to_sleep [2021-11-25 19:02:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_prepare_to_sleep [2021-11-25 19:02:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-25 19:02:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-25 19:02:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_free [2021-11-25 19:02:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_free [2021-11-25 19:02:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:02:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:02:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-25 19:02:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-25 19:02:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-11-25 19:02:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-11-25 19:02:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-25 19:02:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-25 19:02:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-25 19:02:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-25 19:02:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:02:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-25 19:02:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-25 19:02:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure create_intf_ep_devs [2021-11-25 19:02:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure create_intf_ep_devs [2021-11-25 19:02:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_prepare [2021-11-25 19:02:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_prepare [2021-11-25 19:02:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-25 19:02:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-25 19:02:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 19:02:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 19:02:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 19:02:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 19:02:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-25 19:02:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-25 19:02:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-25 19:02:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-25 19:02:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-25 19:02:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-25 19:02:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-25 19:02:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:02:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:02:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_open [2021-11-25 19:02:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_open [2021-11-25 19:02:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:02:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-11-25 19:02:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-11-25 19:02:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 19:02:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 19:02:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:02:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:02:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 19:02:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 19:02:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-11-25 19:02:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-11-25 19:02:20,749 INFO L130 BoogieDeclarations]: Found specification of procedure warn_level [2021-11-25 19:02:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_level [2021-11-25 19:02:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:02:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-25 19:02:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-25 19:02:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_interface [2021-11-25 19:02:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_interface [2021-11-25 19:02:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-25 19:02:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-25 19:02:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-11-25 19:02:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-11-25 19:02:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-25 19:02:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-25 19:02:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-25 19:02:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-25 19:02:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-25 19:02:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-25 19:02:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-25 19:02:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-25 19:02:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-25 19:02:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-25 19:02:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:02:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:02:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-25 19:02:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-25 19:02:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:02:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:02:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-11-25 19:02:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-11-25 19:02:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-25 19:02:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-25 19:02:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-25 19:02:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-25 19:02:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-25 19:02:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-25 19:02:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-11-25 19:02:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-11-25 19:02:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-25 19:02:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-25 19:02:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-25 19:02:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-25 19:02:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-25 19:02:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-25 19:02:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-25 19:02:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-25 19:02:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset_required [2021-11-25 19:02:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset_required [2021-11-25 19:02:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-25 19:02:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-25 19:02:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:02:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:02:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-25 19:02:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-25 19:02:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-25 19:02:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-25 19:02:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-25 19:02:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-25 19:02:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-25 19:02:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-25 19:02:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure security_task_getsecid [2021-11-25 19:02:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure security_task_getsecid [2021-11-25 19:02:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-25 19:02:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-25 19:02:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-11-25 19:02:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-11-25 19:02:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2021-11-25 19:02:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2021-11-25 19:02:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume_noirq [2021-11-25 19:02:20,759 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume_noirq [2021-11-25 19:02:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-25 19:02:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-25 19:02:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autosuspend_device [2021-11-25 19:02:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autosuspend_device [2021-11-25 19:02:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-25 19:02:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-25 19:02:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 19:02:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 19:02:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 19:02:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 19:02:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-25 19:02:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-25 19:02:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-25 19:02:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-25 19:02:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2021-11-25 19:02:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2021-11-25 19:02:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-25 19:02:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-25 19:02:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-25 19:02:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-25 19:02:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-25 19:02:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-25 19:02:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:02:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:02:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:02:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:02:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-25 19:02:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-25 19:02:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2021-11-25 19:02:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2021-11-25 19:02:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure pm_suspend_ignore_children [2021-11-25 19:02:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_suspend_ignore_children [2021-11-25 19:02:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-25 19:02:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-25 19:02:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-25 19:02:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-25 19:02:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure usbfs_decrease_memory_usage [2021-11-25 19:02:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usbfs_decrease_memory_usage [2021-11-25 19:02:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:02:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:02:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 19:02:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 19:02:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_root_hub [2021-11-25 19:02:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_root_hub [2021-11-25 19:02:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-25 19:02:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-25 19:02:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-11-25 19:02:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-11-25 19:02:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-25 19:02:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-25 19:02:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 19:02:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 19:02:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 19:02:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 19:02:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:02:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:02:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-25 19:02:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-25 19:02:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-25 19:02:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-25 19:02:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-25 19:02:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-25 19:02:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-25 19:02:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-25 19:02:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-11-25 19:02:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-11-25 19:02:20,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kick_khubd [2021-11-25 19:02:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kick_khubd [2021-11-25 19:02:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_superspeed [2021-11-25 19:02:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_superspeed [2021-11-25 19:02:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-25 19:02:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-25 19:02:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-25 19:02:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-25 19:02:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-25 19:02:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-25 19:02:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-25 19:02:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:02:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-25 19:02:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-25 19:02:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 19:02:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 19:02:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-25 19:02:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-25 19:02:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-25 19:02:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-25 19:02:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-25 19:02:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-25 19:02:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_detect_quirks [2021-11-25 19:02:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_detect_quirks [2021-11-25 19:02:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_device_release [2021-11-25 19:02:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_device_release [2021-11-25 19:02:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-11-25 19:02:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-11-25 19:02:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-25 19:02:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-25 19:02:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-25 19:02:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-25 19:02:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 19:02:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 19:02:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-25 19:02:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-25 19:02:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-25 19:02:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-25 19:02:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-25 19:02:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-25 19:02:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-25 19:02:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-25 19:02:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-11-25 19:02:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-11-25 19:02:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-25 19:02:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-25 19:02:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_poll [2021-11-25 19:02:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_poll [2021-11-25 19:02:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-11-25 19:02:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-11-25 19:02:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:02:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:02:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-25 19:02:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-25 19:02:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:02:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:02:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-25 19:02:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-25 19:02:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-11-25 19:02:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-11-25 19:02:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure connected [2021-11-25 19:02:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure connected [2021-11-25 19:02:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-25 19:02:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-25 19:02:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-25 19:02:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-25 19:02:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_status_mutex [2021-11-25 19:02:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_status_mutex [2021-11-25 19:02:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-25 19:02:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-25 19:02:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-11-25 19:02:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-11-25 19:02:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-25 19:02:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-25 19:02:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-25 19:02:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-25 19:02:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure kick_khubd [2021-11-25 19:02:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_khubd [2021-11-25 19:02:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-25 19:02:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-25 19:02:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-25 19:02:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-25 19:02:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-11-25 19:02:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-11-25 19:02:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 19:02:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 19:02:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-25 19:02:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-25 19:02:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-25 19:02:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-25 19:02:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-25 19:02:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-25 19:02:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_get_child [2021-11-25 19:02:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_get_child [2021-11-25 19:02:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-11-25 19:02:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-11-25 19:02:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 19:02:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 19:02:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-25 19:02:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-25 19:02:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-25 19:02:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-25 19:02:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-25 19:02:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-25 19:02:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-11-25 19:02:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-11-25 19:02:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-25 19:02:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-25 19:02:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-11-25 19:02:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-11-25 19:02:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-25 19:02:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-25 19:02:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-25 19:02:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-25 19:02:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:02:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-25 19:02:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-25 19:02:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-11-25 19:02:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-11-25 19:02:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usbfs_mutex [2021-11-25 19:02:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usbfs_mutex [2021-11-25 19:02:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure driver_resume [2021-11-25 19:02:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_resume [2021-11-25 19:02:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-11-25 19:02:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-11-25 19:02:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure remove_intf_ep_devs [2021-11-25 19:02:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_intf_ep_devs [2021-11-25 19:02:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-25 19:02:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-25 19:02:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-25 19:02:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-25 19:02:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-25 19:02:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-25 19:02:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 19:02:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 19:02:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-25 19:02:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-25 19:02:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_match [2021-11-25 19:02:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_match [2021-11-25 19:02:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-11-25 19:02:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-11-25 19:02:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-25 19:02:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-25 19:02:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure update_devnum [2021-11-25 19:02:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure update_devnum [2021-11-25 19:02:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_wusb [2021-11-25 19:02:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_wusb [2021-11-25 19:02:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-25 19:02:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-25 19:02:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-25 19:02:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-25 19:02:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ep_device_release [2021-11-25 19:02:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_device_release [2021-11-25 19:02:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure driver_probe [2021-11-25 19:02:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_probe [2021-11-25 19:02:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_bos_descriptor [2021-11-25 19:02:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_bos_descriptor [2021-11-25 19:02:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-25 19:02:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-25 19:02:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remote_wakeup [2021-11-25 19:02:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remote_wakeup [2021-11-25 19:02:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-25 19:02:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-25 19:02:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure powermac_set_asic [2021-11-25 19:02:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure powermac_set_asic [2021-11-25 19:02:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure suspend_common [2021-11-25 19:02:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure suspend_common [2021-11-25 19:02:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-25 19:02:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-25 19:02:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-25 19:02:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-25 19:02:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-25 19:02:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-25 19:02:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-25 19:02:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-25 19:02:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 19:02:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 19:02:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:02:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:02:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure check_root_hub_suspended [2021-11-25 19:02:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure check_root_hub_suspended [2021-11-25 19:02:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-11-25 19:02:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-11-25 19:02:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-25 19:02:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-25 19:02:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-25 19:02:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-25 19:02:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_suspend [2021-11-25 19:02:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_suspend [2021-11-25 19:02:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-25 19:02:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-25 19:02:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-25 19:02:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-25 19:02:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-25 19:02:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-25 19:02:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-25 19:02:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-25 19:02:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2021-11-25 19:02:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2021-11-25 19:02:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-25 19:02:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-25 19:02:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2021-11-25 19:02:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2021-11-25 19:02:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure __suspend_report_result [2021-11-25 19:02:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __suspend_report_result [2021-11-25 19:02:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-25 19:02:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-25 19:02:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 19:02:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 19:02:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device_driver [2021-11-25 19:02:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device_driver [2021-11-25 19:02:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-11-25 19:02:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-11-25 19:02:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 19:02:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 19:02:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:02:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:02:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:02:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 19:02:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure device_pm_wait_for_dev [2021-11-25 19:02:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure device_pm_wait_for_dev [2021-11-25 19:02:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-25 19:02:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-25 19:02:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_sel [2021-11-25 19:02:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_sel [2021-11-25 19:02:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2021-11-25 19:02:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2021-11-25 19:02:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_choose_configuration [2021-11-25 19:02:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_choose_configuration [2021-11-25 19:02:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend [2021-11-25 19:02:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend [2021-11-25 19:02:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:02:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:02:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:02:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-25 19:02:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-25 19:02:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:02:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:02:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-11-25 19:02:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-11-25 19:02:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acpi_find_device [2021-11-25 19:02:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acpi_find_device [2021-11-25 19:02:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-25 19:02:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-25 19:02:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-11-25 19:02:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-11-25 19:02:22,996 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:02:23,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:06:27,119 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:06:35,638 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:06:35,638 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:06:35,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:06:35 BoogieIcfgContainer [2021-11-25 19:06:35,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:06:35,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:06:35,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:06:35,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:06:35,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:01:57" (1/3) ... [2021-11-25 19:06:35,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cdab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:06:35, skipping insertion in model container [2021-11-25 19:06:35,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:17" (2/3) ... [2021-11-25 19:06:35,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cdab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:06:35, skipping insertion in model container [2021-11-25 19:06:35,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:06:35" (3/3) ... [2021-11-25 19:06:35,659 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-25 19:06:35,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:06:35,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:06:35,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:06:35,768 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:06:35,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:06:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 5918 states, 3675 states have (on average 1.3510204081632653) internal successors, (4965), 3838 states have internal predecessors, (4965), 1789 states have call successors, (1789), 452 states have call predecessors, (1789), 452 states have return successors, (1789), 1762 states have call predecessors, (1789), 1789 states have call successors, (1789) [2021-11-25 19:06:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 19:06:35,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:35,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:35,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:06:35,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:35,908 INFO L85 PathProgramCache]: Analyzing trace with hash 769812267, now seen corresponding path program 1 times [2021-11-25 19:06:35,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:35,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080733610] [2021-11-25 19:06:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:35,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:37,537 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:37,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080733610] [2021-11-25 19:06:37,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080733610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:37,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:37,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:06:37,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820129436] [2021-11-25 19:06:37,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:37,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:06:37,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:37,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:06:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:37,601 INFO L87 Difference]: Start difference. First operand has 5918 states, 3675 states have (on average 1.3510204081632653) internal successors, (4965), 3838 states have internal predecessors, (4965), 1789 states have call successors, (1789), 452 states have call predecessors, (1789), 452 states have return successors, (1789), 1762 states have call predecessors, (1789), 1789 states have call successors, (1789) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:06:39,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:43,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:51,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:51,247 INFO L93 Difference]: Finished difference Result 17490 states and 26498 transitions. [2021-11-25 19:06:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:06:51,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 10 [2021-11-25 19:06:51,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:51,388 INFO L225 Difference]: With dead ends: 17490 [2021-11-25 19:06:51,388 INFO L226 Difference]: Without dead ends: 11548 [2021-11-25 19:06:51,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:51,454 INFO L933 BasicCegarLoop]: 10406 mSDtfsCounter, 8828 mSDsluCounter, 8168 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8835 SdHoareTripleChecker+Valid, 17654 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:51,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8835 Valid, 17654 Invalid, 2029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2023 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 19:06:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11548 states. [2021-11-25 19:06:52,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11548 to 11535. [2021-11-25 19:06:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11535 states, 7179 states have (on average 1.3475414403120212) internal successors, (9674), 7487 states have internal predecessors, (9674), 3467 states have call successors, (3467), 891 states have call predecessors, (3467), 888 states have return successors, (3814), 3378 states have call predecessors, (3814), 3432 states have call successors, (3814) [2021-11-25 19:06:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11535 states to 11535 states and 16955 transitions. [2021-11-25 19:06:52,332 INFO L78 Accepts]: Start accepts. Automaton has 11535 states and 16955 transitions. Word has length 10 [2021-11-25 19:06:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:52,333 INFO L470 AbstractCegarLoop]: Abstraction has 11535 states and 16955 transitions. [2021-11-25 19:06:52,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:06:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11535 states and 16955 transitions. [2021-11-25 19:06:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:06:52,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:52,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:52,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:06:52,338 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:06:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:52,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1909036262, now seen corresponding path program 1 times [2021-11-25 19:06:52,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:52,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764882628] [2021-11-25 19:06:52,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:52,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:06:53,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764882628] [2021-11-25 19:06:53,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764882628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:53,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:53,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:06:53,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168195825] [2021-11-25 19:06:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:53,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:06:53,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:53,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:06:53,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:53,289 INFO L87 Difference]: Start difference. First operand 11535 states and 16955 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:06:55,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:58,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:02,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:02,377 INFO L93 Difference]: Finished difference Result 11539 states and 16964 transitions. [2021-11-25 19:07:02,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:02,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 11 [2021-11-25 19:07:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:02,478 INFO L225 Difference]: With dead ends: 11539 [2021-11-25 19:07:02,478 INFO L226 Difference]: Without dead ends: 11536 [2021-11-25 19:07:02,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:02,492 INFO L933 BasicCegarLoop]: 7548 mSDtfsCounter, 8474 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8481 SdHoareTripleChecker+Valid, 7549 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:02,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8481 Valid, 7549 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-25 19:07:02,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11536 states. [2021-11-25 19:07:03,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11536 to 11536. [2021-11-25 19:07:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11536 states, 7180 states have (on average 1.3473537604456824) internal successors, (9674), 7488 states have internal predecessors, (9674), 3466 states have call successors, (3466), 891 states have call predecessors, (3466), 889 states have return successors, (3821), 3378 states have call predecessors, (3821), 3432 states have call successors, (3821) [2021-11-25 19:07:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11536 states to 11536 states and 16961 transitions. [2021-11-25 19:07:03,172 INFO L78 Accepts]: Start accepts. Automaton has 11536 states and 16961 transitions. Word has length 11 [2021-11-25 19:07:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:03,173 INFO L470 AbstractCegarLoop]: Abstraction has 11536 states and 16961 transitions. [2021-11-25 19:07:03,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 11536 states and 16961 transitions. [2021-11-25 19:07:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 19:07:03,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:03,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:03,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:07:03,174 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash 946010126, now seen corresponding path program 1 times [2021-11-25 19:07:03,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:03,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438878677] [2021-11-25 19:07:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:03,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:03,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:03,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438878677] [2021-11-25 19:07:03,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438878677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:03,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:03,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:03,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164129487] [2021-11-25 19:07:03,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:03,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:03,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:03,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:03,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:03,936 INFO L87 Difference]: Start difference. First operand 11536 states and 16961 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:06,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:09,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:12,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:12,928 INFO L93 Difference]: Finished difference Result 11538 states and 16962 transitions. [2021-11-25 19:07:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-25 19:07:12,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:12,994 INFO L225 Difference]: With dead ends: 11538 [2021-11-25 19:07:12,994 INFO L226 Difference]: Without dead ends: 11535 [2021-11-25 19:07:13,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:13,005 INFO L933 BasicCegarLoop]: 7546 mSDtfsCounter, 8471 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8478 SdHoareTripleChecker+Valid, 7547 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:13,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8478 Valid, 7547 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 19:07:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11535 states. [2021-11-25 19:07:13,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11535 to 11535. [2021-11-25 19:07:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11535 states, 7180 states have (on average 1.3472144846796656) internal successors, (9673), 7487 states have internal predecessors, (9673), 3465 states have call successors, (3465), 891 states have call predecessors, (3465), 889 states have return successors, (3821), 3378 states have call predecessors, (3821), 3432 states have call successors, (3821) [2021-11-25 19:07:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11535 states to 11535 states and 16959 transitions. [2021-11-25 19:07:13,781 INFO L78 Accepts]: Start accepts. Automaton has 11535 states and 16959 transitions. Word has length 12 [2021-11-25 19:07:13,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:13,781 INFO L470 AbstractCegarLoop]: Abstraction has 11535 states and 16959 transitions. [2021-11-25 19:07:13,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11535 states and 16959 transitions. [2021-11-25 19:07:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 19:07:13,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:13,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:13,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:07:13,783 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:13,784 INFO L85 PathProgramCache]: Analyzing trace with hash -741860195, now seen corresponding path program 1 times [2021-11-25 19:07:13,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:13,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850210323] [2021-11-25 19:07:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:13,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:14,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:14,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850210323] [2021-11-25 19:07:14,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850210323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:14,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:14,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:14,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827234192] [2021-11-25 19:07:14,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:14,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:14,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:14,555 INFO L87 Difference]: Start difference. First operand 11535 states and 16959 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:16,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:19,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:22,952 INFO L93 Difference]: Finished difference Result 11537 states and 16960 transitions. [2021-11-25 19:07:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:22,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-25 19:07:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:23,006 INFO L225 Difference]: With dead ends: 11537 [2021-11-25 19:07:23,007 INFO L226 Difference]: Without dead ends: 11534 [2021-11-25 19:07:23,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:23,016 INFO L933 BasicCegarLoop]: 7544 mSDtfsCounter, 8468 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8475 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:23,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8475 Valid, 7545 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-25 19:07:23,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11534 states. [2021-11-25 19:07:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11534 to 11534. [2021-11-25 19:07:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11534 states, 7180 states have (on average 1.347075208913649) internal successors, (9672), 7486 states have internal predecessors, (9672), 3464 states have call successors, (3464), 891 states have call predecessors, (3464), 889 states have return successors, (3821), 3378 states have call predecessors, (3821), 3432 states have call successors, (3821) [2021-11-25 19:07:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11534 states to 11534 states and 16957 transitions. [2021-11-25 19:07:23,771 INFO L78 Accepts]: Start accepts. Automaton has 11534 states and 16957 transitions. Word has length 13 [2021-11-25 19:07:23,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:23,771 INFO L470 AbstractCegarLoop]: Abstraction has 11534 states and 16957 transitions. [2021-11-25 19:07:23,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11534 states and 16957 transitions. [2021-11-25 19:07:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:07:23,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:23,773 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:23,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:07:23,774 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:23,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227727, now seen corresponding path program 1 times [2021-11-25 19:07:23,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:23,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679398207] [2021-11-25 19:07:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:23,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:24,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:24,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679398207] [2021-11-25 19:07:24,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679398207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:24,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:24,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:24,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861871250] [2021-11-25 19:07:24,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:24,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:24,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:24,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:24,532 INFO L87 Difference]: Start difference. First operand 11534 states and 16957 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:26,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:29,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:33,487 INFO L93 Difference]: Finished difference Result 11536 states and 16958 transitions. [2021-11-25 19:07:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:33,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-25 19:07:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:33,541 INFO L225 Difference]: With dead ends: 11536 [2021-11-25 19:07:33,541 INFO L226 Difference]: Without dead ends: 11533 [2021-11-25 19:07:33,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:33,551 INFO L933 BasicCegarLoop]: 7542 mSDtfsCounter, 8465 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8472 SdHoareTripleChecker+Valid, 7543 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:33,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8472 Valid, 7543 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-11-25 19:07:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11533 states. [2021-11-25 19:07:34,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11533 to 11533. [2021-11-25 19:07:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11533 states, 7180 states have (on average 1.3469359331476323) internal successors, (9671), 7485 states have internal predecessors, (9671), 3463 states have call successors, (3463), 891 states have call predecessors, (3463), 889 states have return successors, (3821), 3378 states have call predecessors, (3821), 3432 states have call successors, (3821) [2021-11-25 19:07:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11533 states to 11533 states and 16955 transitions. [2021-11-25 19:07:34,336 INFO L78 Accepts]: Start accepts. Automaton has 11533 states and 16955 transitions. Word has length 14 [2021-11-25 19:07:34,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:34,337 INFO L470 AbstractCegarLoop]: Abstraction has 11533 states and 16955 transitions. [2021-11-25 19:07:34,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 11533 states and 16955 transitions. [2021-11-25 19:07:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 19:07:34,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:34,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:34,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:07:34,340 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:34,341 INFO L85 PathProgramCache]: Analyzing trace with hash -71812576, now seen corresponding path program 1 times [2021-11-25 19:07:34,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:34,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392719737] [2021-11-25 19:07:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:34,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:35,054 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:35,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392719737] [2021-11-25 19:07:35,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392719737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:35,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:35,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:35,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001646821] [2021-11-25 19:07:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:35,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:35,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:35,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:35,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:35,056 INFO L87 Difference]: Start difference. First operand 11533 states and 16955 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:37,296 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 [] [2021-11-25 19:07:41,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:41,233 INFO L93 Difference]: Finished difference Result 11535 states and 16956 transitions. [2021-11-25 19:07:41,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:41,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-25 19:07:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:41,291 INFO L225 Difference]: With dead ends: 11535 [2021-11-25 19:07:41,291 INFO L226 Difference]: Without dead ends: 11532 [2021-11-25 19:07:41,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:41,302 INFO L933 BasicCegarLoop]: 7535 mSDtfsCounter, 8468 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 7536 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:41,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8468 Valid, 7536 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2021-11-25 19:07:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11532 states. [2021-11-25 19:07:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11532 to 11532. [2021-11-25 19:07:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11532 states, 7180 states have (on average 1.3467966573816157) internal successors, (9670), 7484 states have internal predecessors, (9670), 3462 states have call successors, (3462), 891 states have call predecessors, (3462), 889 states have return successors, (3821), 3378 states have call predecessors, (3821), 3432 states have call successors, (3821) [2021-11-25 19:07:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 16953 transitions. [2021-11-25 19:07:42,087 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 16953 transitions. Word has length 15 [2021-11-25 19:07:42,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:42,087 INFO L470 AbstractCegarLoop]: Abstraction has 11532 states and 16953 transitions. [2021-11-25 19:07:42,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 16953 transitions. [2021-11-25 19:07:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 19:07:42,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:42,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:42,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:07:42,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:42,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:42,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2065389012, now seen corresponding path program 1 times [2021-11-25 19:07:42,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:42,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765750784] [2021-11-25 19:07:42,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:42,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:42,785 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:42,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765750784] [2021-11-25 19:07:42,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765750784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:42,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:42,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:42,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303172307] [2021-11-25 19:07:42,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:42,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:42,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:42,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:42,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:42,788 INFO L87 Difference]: Start difference. First operand 11532 states and 16953 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:45,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:47,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:56,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:56,785 INFO L93 Difference]: Finished difference Result 34177 states and 54636 transitions. [2021-11-25 19:07:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:07:56,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-25 19:07:56,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:56,901 INFO L225 Difference]: With dead ends: 34177 [2021-11-25 19:07:56,901 INFO L226 Difference]: Without dead ends: 22649 [2021-11-25 19:07:57,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:57,010 INFO L933 BasicCegarLoop]: 11277 mSDtfsCounter, 8651 mSDsluCounter, 8747 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8651 SdHoareTripleChecker+Valid, 19099 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:57,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8651 Valid, 19099 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2154 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2021-11-25 19:07:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22649 states. [2021-11-25 19:07:58,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22649 to 22596. [2021-11-25 19:07:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22596 states, 14128 states have (on average 1.3487400906002265) internal successors, (19055), 14730 states have internal predecessors, (19055), 6727 states have call successors, (6727), 1761 states have call predecessors, (6727), 1740 states have return successors, (9612), 6534 states have call predecessors, (9612), 6687 states have call successors, (9612) [2021-11-25 19:07:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22596 states to 22596 states and 35394 transitions. [2021-11-25 19:07:58,937 INFO L78 Accepts]: Start accepts. Automaton has 22596 states and 35394 transitions. Word has length 16 [2021-11-25 19:07:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:58,937 INFO L470 AbstractCegarLoop]: Abstraction has 22596 states and 35394 transitions. [2021-11-25 19:07:58,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:07:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22596 states and 35394 transitions. [2021-11-25 19:07:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:07:58,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:58,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:58,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:07:58,939 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:07:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash -400833629, now seen corresponding path program 1 times [2021-11-25 19:07:58,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:58,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049778130] [2021-11-25 19:07:58,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:58,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:07:59,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:59,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049778130] [2021-11-25 19:07:59,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049778130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:59,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:59,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:07:59,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897633118] [2021-11-25 19:07:59,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:59,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:07:59,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:07:59,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:07:59,875 INFO L87 Difference]: Start difference. First operand 22596 states and 35394 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:08:02,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:04,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:07,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:14,324 INFO L93 Difference]: Finished difference Result 63625 states and 110292 transitions. [2021-11-25 19:08:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:08:14,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-25 19:08:14,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:14,549 INFO L225 Difference]: With dead ends: 63625 [2021-11-25 19:08:14,550 INFO L226 Difference]: Without dead ends: 41033 [2021-11-25 19:08:14,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:08:14,745 INFO L933 BasicCegarLoop]: 12742 mSDtfsCounter, 8752 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8759 SdHoareTripleChecker+Valid, 18821 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:14,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8759 Valid, 18821 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2271 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 19:08:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41033 states. [2021-11-25 19:08:17,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41033 to 40955. [2021-11-25 19:08:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40955 states, 25444 states have (on average 1.3443640936959598) internal successors, (34206), 26568 states have internal predecessors, (34206), 12190 states have call successors, (12190), 3368 states have call predecessors, (12190), 3320 states have return successors, (20689), 11816 states have call predecessors, (20689), 12149 states have call successors, (20689) [2021-11-25 19:08:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40955 states to 40955 states and 67085 transitions. [2021-11-25 19:08:17,975 INFO L78 Accepts]: Start accepts. Automaton has 40955 states and 67085 transitions. Word has length 17 [2021-11-25 19:08:17,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:17,976 INFO L470 AbstractCegarLoop]: Abstraction has 40955 states and 67085 transitions. [2021-11-25 19:08:17,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:08:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 40955 states and 67085 transitions. [2021-11-25 19:08:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 19:08:17,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:17,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:17,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:08:17,979 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:08:17,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:17,980 INFO L85 PathProgramCache]: Analyzing trace with hash 455680695, now seen corresponding path program 1 times [2021-11-25 19:08:17,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:17,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965031769] [2021-11-25 19:08:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:17,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:19,022 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:19,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965031769] [2021-11-25 19:08:19,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965031769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:19,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:19,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:08:19,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082990930] [2021-11-25 19:08:19,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:19,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:08:19,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:19,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:08:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:08:19,025 INFO L87 Difference]: Start difference. First operand 40955 states and 67085 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:08:21,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:28,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:34,094 INFO L93 Difference]: Finished difference Result 120815 states and 230502 transitions. [2021-11-25 19:08:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:08:34,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-25 19:08:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:34,653 INFO L225 Difference]: With dead ends: 120815 [2021-11-25 19:08:34,653 INFO L226 Difference]: Without dead ends: 79864 [2021-11-25 19:08:35,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:08:35,277 INFO L933 BasicCegarLoop]: 9893 mSDtfsCounter, 8822 mSDsluCounter, 7668 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8822 SdHoareTripleChecker+Valid, 16711 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:35,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8822 Valid, 16711 Invalid, 1858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1852 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-11-25 19:08:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79864 states. [2021-11-25 19:08:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79864 to 79789. [2021-11-25 19:08:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79789 states, 49412 states have (on average 1.3421638468388246) internal successors, (66319), 51609 states have internal predecessors, (66319), 23809 states have call successors, (23809), 6662 states have call predecessors, (23809), 6567 states have return successors, (51429), 23076 states have call predecessors, (51429), 23769 states have call successors, (51429) [2021-11-25 19:08:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79789 states to 79789 states and 141557 transitions. [2021-11-25 19:08:41,299 INFO L78 Accepts]: Start accepts. Automaton has 79789 states and 141557 transitions. Word has length 18 [2021-11-25 19:08:41,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:41,299 INFO L470 AbstractCegarLoop]: Abstraction has 79789 states and 141557 transitions. [2021-11-25 19:08:41,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:08:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 79789 states and 141557 transitions. [2021-11-25 19:08:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 19:08:41,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:41,301 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:41,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:08:41,302 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:08:41,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:41,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1237825830, now seen corresponding path program 1 times [2021-11-25 19:08:41,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:41,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554881840] [2021-11-25 19:08:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:41,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:08:42,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:42,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554881840] [2021-11-25 19:08:42,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554881840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:42,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:42,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:08:42,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214353321] [2021-11-25 19:08:42,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:42,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:08:42,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:42,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:08:42,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:08:42,272 INFO L87 Difference]: Start difference. First operand 79789 states and 141557 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:08:44,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:48,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []