./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/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_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:59:52,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:59:52,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:59:52,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:59:52,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:59:52,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:59:52,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:59:52,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:59:52,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:59:52,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:59:52,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:59:52,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:59:52,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:59:52,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:59:52,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:59:52,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:59:52,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:59:52,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:59:52,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:59:52,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:59:52,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:59:52,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:59:52,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:59:53,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:59:53,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:59:53,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:59:53,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:59:53,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:59:53,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:59:53,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:59:53,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:59:53,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:59:53,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:59:53,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:59:53,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:59:53,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:59:53,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:59:53,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:59:53,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:59:53,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:59:53,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:59:53,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:59:53,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:59:53,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:59:53,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:59:53,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:59:53,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:59:53,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:59:53,072 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:59:53,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:59:53,072 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:59:53,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:59:53,072 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:59:53,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:59:53,073 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:59:53,073 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:59:53,073 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:59:53,074 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:59:53,074 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:59:53,074 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:59:53,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:59:53,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:59:53,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:59:53,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:59:53,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:59:53,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:59:53,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:59:53,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:59:53,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:59:53,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:59:53,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:59:53,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:59:53,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:59:53,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:59:53,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:59:53,078 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:59:53,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:59:53,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:59:53,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:59:53,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:59:53,079 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_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2f4e1edf092d782bd8904ff3c98be8600de69a79369635abf74affaa77e7cb [2021-11-23 01:59:53,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:59:53,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:59:53,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:59:53,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:59:53,384 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:59:53,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-23 01:59:53,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/data/ba514a391/e5687f9e8f314e82acb1d2b68fdf1ab8/FLAG69b16f90f [2021-11-23 01:59:54,926 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:59:54,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-23 01:59:55,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/data/ba514a391/e5687f9e8f314e82acb1d2b68fdf1ab8/FLAG69b16f90f [2021-11-23 01:59:55,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/data/ba514a391/e5687f9e8f314e82acb1d2b68fdf1ab8 [2021-11-23 01:59:55,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:59:55,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:59:55,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:59:55,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:59:55,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:59:55,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:55" (1/1) ... [2021-11-23 01:59:55,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba5a42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55, skipping insertion in model container [2021-11-23 01:59:55,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:55" (1/1) ... [2021-11-23 01:59:55,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:59:55,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:00:11,476 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_9559b073-bdbd-40b1-90e8-d501a215b31d/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-23 02:00:12,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:12,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:00:13,431 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_9559b073-bdbd-40b1-90e8-d501a215b31d/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i[1057113,1057126] [2021-11-23 02:00:13,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:14,800 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:00:14,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14 WrapperNode [2021-11-23 02:00:14,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:00:14,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:14,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:00:14,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:00:14,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:15,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:15,878 INFO L137 Inliner]: procedures = 1364, calls = 15139, calls flagged for inlining = 461, calls inlined = 268, statements flattened = 19702 [2021-11-23 02:00:15,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:15,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:00:15,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:00:15,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:00:15,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:15,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:16,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:16,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:16,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:17,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:17,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:17,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:00:17,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:00:17,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:00:17,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:00:17,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (1/1) ... [2021-11-23 02:00:17,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:00:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:00:17,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:00:17,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9559b073-bdbd-40b1-90e8-d501a215b31d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:00:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 02:00:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 02:00:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 02:00:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 02:00:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___3 [2021-11-23 02:00:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___3 [2021-11-23 02:00:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___4 [2021-11-23 02:00:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___4 [2021-11-23 02:00:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-11-23 02:00:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-11-23 02:00:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_urb_for_dma [2021-11-23 02:00:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_urb_for_dma [2021-11-23 02:00:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2021-11-23 02:00:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2021-11-23 02:00:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_dev [2021-11-23 02:00:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_dev [2021-11-23 02:00:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 02:00:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 02:00:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_endpoint [2021-11-23 02:00:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_endpoint [2021-11-23 02:00:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-23 02:00:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-23 02:00:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 02:00:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 02:00:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_state [2021-11-23 02:00:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_state [2021-11-23 02:00:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2021-11-23 02:00:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2021-11-23 02:00:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-11-23 02:00:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-11-23 02:00:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_device_initiated_lpm [2021-11-23 02:00:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_device_initiated_lpm [2021-11-23 02:00:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_all_async [2021-11-23 02:00:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_all_async [2021-11-23 02:00:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_resume [2021-11-23 02:00:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_resume [2021-11-23 02:00:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure hub_usb3_port_disable [2021-11-23 02:00:17,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_usb3_port_disable [2021-11-23 02:00:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-23 02:00:17,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2021-11-23 02:00:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 02:00:17,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 02:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 02:00:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 02:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_destroy_configuration [2021-11-23 02:00:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_destroy_configuration [2021-11-23 02:00:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:00:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:00:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 02:00:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 02:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-11-23 02:00:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-11-23 02:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:00:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:00:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure hub_disconnect [2021-11-23 02:00:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_disconnect [2021-11-23 02:00:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-23 02:00:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-23 02:00:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:00:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:00:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure hub_hub_status [2021-11-23 02:00:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_hub_status [2021-11-23 02:00:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_power_on [2021-11-23 02:00:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_power_on [2021-11-23 02:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-23 02:00:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-23 02:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure add_device_randomness [2021-11-23 02:00:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure add_device_randomness [2021-11-23 02:00:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_link_state [2021-11-23 02:00:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_link_state [2021-11-23 02:00:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_enable_lpm [2021-11-23 02:00:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_enable_lpm [2021-11-23 02:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_pel [2021-11-23 02:00:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_pel [2021-11-23 02:00:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:00:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2021-11-23 02:00:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2021-11-23 02:00:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_bulk_urbs [2021-11-23 02:00:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_bulk_urbs [2021-11-23 02:00:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-23 02:00:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-23 02:00:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_logical_disconnect [2021-11-23 02:00:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_logical_disconnect [2021-11-23 02:00:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:00:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:00:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_flush_endpoint [2021-11-23 02:00:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_flush_endpoint [2021-11-23 02:00:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_status [2021-11-23 02:00:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_status [2021-11-23 02:00:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page___1 [2021-11-23 02:00:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page___1 [2021-11-23 02:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure bus_find_device [2021-11-23 02:00:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_find_device [2021-11-23 02:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure driver_suspend [2021-11-23 02:00:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_suspend [2021-11-23 02:00:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_poll [2021-11-23 02:00:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_poll [2021-11-23 02:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-11-23 02:00:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-11-23 02:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-11-23 02:00:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-11-23 02:00:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:00:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:00:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_status_mutex [2021-11-23 02:00:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_status_mutex [2021-11-23 02:00:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure hub_irq [2021-11-23 02:00:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_irq [2021-11-23 02:00:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_suspend [2021-11-23 02:00:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_suspend [2021-11-23 02:00:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:00:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:00:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_device_descriptor [2021-11-23 02:00:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_device_descriptor [2021-11-23 02:00:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure hub_quiesce [2021-11-23 02:00:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_quiesce [2021-11-23 02:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_alt_setting [2021-11-23 02:00:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_alt_setting [2021-11-23 02:00:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb [2021-11-23 02:00:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb [2021-11-23 02:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:00:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:00:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-23 02:00:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-23 02:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2021-11-23 02:00:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2021-11-23 02:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___3 [2021-11-23 02:00:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___3 [2021-11-23 02:00:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___4 [2021-11-23 02:00:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___4 [2021-11-23 02:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_resume [2021-11-23 02:00:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_resume [2021-11-23 02:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure async_getcompleted [2021-11-23 02:00:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure async_getcompleted [2021-11-23 02:00:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_reset_endpoint [2021-11-23 02:00:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_reset_endpoint [2021-11-23 02:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 02:00:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 02:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_complete [2021-11-23 02:00:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_complete [2021-11-23 02:00:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_connect_change [2021-11-23 02:00:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_connect_change [2021-11-23 02:00:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_queue_reset_device [2021-11-23 02:00:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_queue_reset_device [2021-11-23 02:00:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-23 02:00:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-23 02:00:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___1 [2021-11-23 02:00:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___1 [2021-11-23 02:00:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_usb2_hardware_lpm [2021-11-23 02:00:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_usb2_hardware_lpm [2021-11-23 02:00:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_interface [2021-11-23 02:00:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_interface [2021-11-23 02:00:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_alloc [2021-11-23 02:00:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_alloc [2021-11-23 02:00:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure rh_urb_enqueue [2021-11-23 02:00:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_urb_enqueue [2021-11-23 02:00:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-23 02:00:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-23 02:00:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure hub_free_dev [2021-11-23 02:00:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_free_dev [2021-11-23 02:00:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure clear_hub_feature [2021-11-23 02:00:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_hub_feature [2021-11-23 02:00:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:00:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:00:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_is_owned [2021-11-23 02:00:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_is_owned [2021-11-23 02:00:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-23 02:00:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bandwidth_mutex [2021-11-23 02:00:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 02:00:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 02:00:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 02:00:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 02:00:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend [2021-11-23 02:00:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend [2021-11-23 02:00:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure release_devnum [2021-11-23 02:00:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure release_devnum [2021-11-23 02:00:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure snoop_urb [2021-11-23 02:00:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure snoop_urb [2021-11-23 02:00:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-11-23 02:00:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-11-23 02:00:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:00:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autoresume_device [2021-11-23 02:00:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autoresume_device [2021-11-23 02:00:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 02:00:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 02:00:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:00:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_interface [2021-11-23 02:00:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_interface [2021-11-23 02:00:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:00:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:00:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 02:00:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 02:00:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 02:00:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 02:00:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_ep_devs [2021-11-23 02:00:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_ep_devs [2021-11-23 02:00:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_led [2021-11-23 02:00:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_led [2021-11-23 02:00:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:00:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:00:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 02:00:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 02:00:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-23 02:00:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-23 02:00:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_runtime_suspend [2021-11-23 02:00:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_runtime_suspend [2021-11-23 02:00:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_port_link_state [2021-11-23 02:00:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_port_link_state [2021-11-23 02:00:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:00:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:00:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_device [2021-11-23 02:00:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_device [2021-11-23 02:00:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend_noirq [2021-11-23 02:00:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend_noirq [2021-11-23 02:00:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-23 02:00:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-23 02:00:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-23 02:00:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-23 02:00:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_langid [2021-11-23 02:00:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_langid [2021-11-23 02:00:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_suspend [2021-11-23 02:00:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_suspend [2021-11-23 02:00:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:00:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:00:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_interface [2021-11-23 02:00:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_interface [2021-11-23 02:00:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-23 02:00:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-23 02:00:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2021-11-23 02:00:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2021-11-23 02:00:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 02:00:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 02:00:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:00:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:00:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id_intf [2021-11-23 02:00:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id_intf [2021-11-23 02:00:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:00:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:00:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:00:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_freeze [2021-11-23 02:00:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_freeze [2021-11-23 02:00:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:00:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:00:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-23 02:00:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-23 02:00:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_is_primary_hcd [2021-11-23 02:00:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_is_primary_hcd [2021-11-23 02:00:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_supports_ltm [2021-11-23 02:00:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_supports_ltm [2021-11-23 02:00:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 02:00:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 02:00:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure port_is_suspended [2021-11-23 02:00:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure port_is_suspended [2021-11-23 02:00:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure hub_thread [2021-11-23 02:00:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_thread [2021-11-23 02:00:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure hub_pre_reset [2021-11-23 02:00:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_pre_reset [2021-11-23 02:00:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2021-11-23 02:00:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2021-11-23 02:00:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-11-23 02:00:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-11-23 02:00:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-23 02:00:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-23 02:00:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-23 02:00:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-23 02:00:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_reset [2021-11-23 02:00:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_reset [2021-11-23 02:00:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rebind_intf [2021-11-23 02:00:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rebind_intf [2021-11-23 02:00:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:00:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:00:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:00:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:00:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_both [2021-11-23 02:00:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_both [2021-11-23 02:00:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:00:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:00:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure hub_events [2021-11-23 02:00:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_events [2021-11-23 02:00:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_device [2021-11-23 02:00:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_device [2021-11-23 02:00:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-11-23 02:00:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-11-23 02:00:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 02:00:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 02:00:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-11-23 02:00:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-11-23 02:00:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:00:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:00:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2021-11-23 02:00:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2021-11-23 02:00:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_finish_reset [2021-11-23 02:00:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_finish_reset [2021-11-23 02:00:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 02:00:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 02:00:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:00:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:00:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:00:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-11-23 02:00:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-11-23 02:00:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_alloc_coherent [2021-11-23 02:00:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_alloc_coherent [2021-11-23 02:00:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure check_highspeed [2021-11-23 02:00:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure check_highspeed [2021-11-23 02:00:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure recursively_mark_NOTATTACHED [2021-11-23 02:00:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure recursively_mark_NOTATTACHED [2021-11-23 02:00:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure hub_ioctl [2021-11-23 02:00:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_ioctl [2021-11-23 02:00:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:00:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_noresume [2021-11-23 02:00:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_noresume [2021-11-23 02:00:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-23 02:00:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-23 02:00:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 02:00:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 02:00:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure plural [2021-11-23 02:00:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure plural [2021-11-23 02:00:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_poweroff [2021-11-23 02:00:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_poweroff [2021-11-23 02:00:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_req_set_sel [2021-11-23 02:00:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_req_set_sel [2021-11-23 02:00:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_sysfs_intf_files [2021-11-23 02:00:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_sysfs_intf_files [2021-11-23 02:00:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_interface [2021-11-23 02:00:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_interface [2021-11-23 02:00:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_hub_port_acpi_handle [2021-11-23 02:00:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_hub_port_acpi_handle [2021-11-23 02:00:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_suspend [2021-11-23 02:00:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_suspend [2021-11-23 02:00:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 02:00:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 02:00:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:00:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:00:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:00:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:00:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cancel_queued_reset [2021-11-23 02:00:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cancel_queued_reset [2021-11-23 02:00:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:00:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:00:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_dynamic_id [2021-11-23 02:00:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_dynamic_id [2021-11-23 02:00:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_free_coherent [2021-11-23 02:00:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_free_coherent [2021-11-23 02:00:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 02:00:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 02:00:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:00:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:00:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 02:00:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 02:00:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_hub_port_connect_type [2021-11-23 02:00:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_hub_port_connect_type [2021-11-23 02:00:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-23 02:00:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-23 02:00:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_forced_unbind_intf [2021-11-23 02:00:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_forced_unbind_intf [2021-11-23 02:00:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-23 02:00:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-23 02:00:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 02:00:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 02:00:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep0_reinit [2021-11-23 02:00:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep0_reinit [2021-11-23 02:00:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure hdev_to_hub [2021-11-23 02:00:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure hdev_to_hub [2021-11-23 02:00:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-11-23 02:00:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-11-23 02:00:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-11-23 02:00:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-11-23 02:00:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2021-11-23 02:00:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2021-11-23 02:00:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_bos_descriptor [2021-11-23 02:00:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_bos_descriptor [2021-11-23 02:00:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-11-23 02:00:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-11-23 02:00:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_ep_devs [2021-11-23 02:00:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_ep_devs [2021-11-23 02:00:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 02:00:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 02:00:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:00:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-23 02:00:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-23 02:00:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-11-23 02:00:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-11-23 02:00:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 02:00:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 02:00:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:00:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:00:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-11-23 02:00:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-11-23 02:00:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-23 02:00:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-23 02:00:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_descriptor [2021-11-23 02:00:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_descriptor [2021-11-23 02:00:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device_otg [2021-11-23 02:00:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device_otg [2021-11-23 02:00:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_complete [2021-11-23 02:00:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_complete [2021-11-23 02:00:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-11-23 02:00:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-11-23 02:00:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:00:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:00:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2021-11-23 02:00:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2021-11-23 02:00:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2021-11-23 02:00:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2021-11-23 02:00:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-23 02:00:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-23 02:00:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-23 02:00:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-23 02:00:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_timeout [2021-11-23 02:00:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_timeout [2021-11-23 02:00:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:00:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:00:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_endpoint [2021-11-23 02:00:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_endpoint [2021-11-23 02:00:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 02:00:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 02:00:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlocked_disable_lpm [2021-11-23 02:00:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlocked_disable_lpm [2021-11-23 02:00:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-23 02:00:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-23 02:00:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-23 02:00:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-23 02:00:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure show_string [2021-11-23 02:00:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure show_string [2021-11-23 02:00:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:00:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:00:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid_info_as_cred [2021-11-23 02:00:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid_info_as_cred [2021-11-23 02:00:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 02:00:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 02:00:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_descriptor [2021-11-23 02:00:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_descriptor [2021-11-23 02:00:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-23 02:00:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-23 02:00:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-23 02:00:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-23 02:00:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-23 02:00:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-23 02:00:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 02:00:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 02:00:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:00:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:00:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_wait_reset [2021-11-23 02:00:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_wait_reset [2021-11-23 02:00:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure autosuspend_check [2021-11-23 02:00:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure autosuspend_check [2021-11-23 02:00:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2021-11-23 02:00:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2021-11-23 02:00:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_internal_control_msg [2021-11-23 02:00:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_internal_control_msg [2021-11-23 02:00:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure generic_suspend [2021-11-23 02:00:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_suspend [2021-11-23 02:00:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_status [2021-11-23 02:00:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_status [2021-11-23 02:00:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-23 02:00:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-23 02:00:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-11-23 02:00:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-11-23 02:00:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:00:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:00:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_pm_drivers_interfaces [2021-11-23 02:00:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_pm_drivers_interfaces [2021-11-23 02:00:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure hub_suspend [2021-11-23 02:00:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_suspend [2021-11-23 02:00:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 02:00:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 02:00:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt___1 [2021-11-23 02:00:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt___1 [2021-11-23 02:00:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:00:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:00:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enumerate_device [2021-11-23 02:00:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enumerate_device [2021-11-23 02:00:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-11-23 02:00:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-11-23 02:00:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure check_port_resume_type [2021-11-23 02:00:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure check_port_resume_type [2021-11-23 02:00:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_resume [2021-11-23 02:00:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_resume [2021-11-23 02:00:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_mel [2021-11-23 02:00:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_mel [2021-11-23 02:00:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure hub_configure [2021-11-23 02:00:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_configure [2021-11-23 02:00:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 02:00:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 02:00:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device [2021-11-23 02:00:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device [2021-11-23 02:00:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure companion_common [2021-11-23 02:00:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure companion_common [2021-11-23 02:00:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_resume [2021-11-23 02:00:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_resume [2021-11-23 02:00:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_prepare_to_sleep [2021-11-23 02:00:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_prepare_to_sleep [2021-11-23 02:00:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-23 02:00:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-23 02:00:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_buffer_free [2021-11-23 02:00:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_buffer_free [2021-11-23 02:00:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:00:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:00:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-23 02:00:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-23 02:00:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-11-23 02:00:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-11-23 02:00:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure generic_disconnect [2021-11-23 02:00:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_disconnect [2021-11-23 02:00:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-23 02:00:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-23 02:00:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:00:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure hub_clear_tt_buffer [2021-11-23 02:00:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_clear_tt_buffer [2021-11-23 02:00:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure create_intf_ep_devs [2021-11-23 02:00:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure create_intf_ep_devs [2021-11-23 02:00:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_prepare [2021-11-23 02:00:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_prepare [2021-11-23 02:00:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure descriptors_changed [2021-11-23 02:00:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure descriptors_changed [2021-11-23 02:00:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 02:00:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 02:00:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:00:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:00:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure hub_tt_work [2021-11-23 02:00:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_tt_work [2021-11-23 02:00:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-23 02:00:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-23 02:00:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-23 02:00:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_interface [2021-11-23 02:00:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_interface [2021-11-23 02:00:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 02:00:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 02:00:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_open [2021-11-23 02:00:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_open [2021-11-23 02:00:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:00:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure free_async [2021-11-23 02:00:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure free_async [2021-11-23 02:00:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 02:00:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 02:00:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:00:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:00:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:00:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:00:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure hub_handle_remote_wakeup [2021-11-23 02:00:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_handle_remote_wakeup [2021-11-23 02:00:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure warn_level [2021-11-23 02:00:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_level [2021-11-23 02:00:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:00:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure hub_reset_resume [2021-11-23 02:00:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_reset_resume [2021-11-23 02:00:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_interface [2021-11-23 02:00:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_interface [2021-11-23 02:00:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 02:00:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 02:00:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_interface [2021-11-23 02:00:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_interface [2021-11-23 02:00:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-23 02:00:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-23 02:00:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 02:00:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 02:00:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_device [2021-11-23 02:00:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_device [2021-11-23 02:00:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure clear_port_feature [2021-11-23 02:00:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_port_feature [2021-11-23 02:00:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-23 02:00:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2021-11-23 02:00:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:00:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:00:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cache_string [2021-11-23 02:00:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cache_string [2021-11-23 02:00:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:00:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:00:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_restore [2021-11-23 02:00:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_restore [2021-11-23 02:00:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure generic_probe [2021-11-23 02:00:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_probe [2021-11-23 02:00:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure led_work [2021-11-23 02:00:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure led_work [2021-11-23 02:00:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_interface [2021-11-23 02:00:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_interface [2021-11-23 02:00:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-11-23 02:00:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-11-23 02:00:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rh_urb_dequeue [2021-11-23 02:00:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rh_urb_dequeue [2021-11-23 02:00:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 02:00:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 02:00:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-23 02:00:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usbfs_mutex [2021-11-23 02:00:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-23 02:00:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-23 02:00:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_warm_reset_required [2021-11-23 02:00:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_warm_reset_required [2021-11-23 02:00:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-23 02:00:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-23 02:00:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:00:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:00:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async_on_interface [2021-11-23 02:00:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async_on_interface [2021-11-23 02:00:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-23 02:00:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-23 02:00:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-23 02:00:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-23 02:00:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure async_completed [2021-11-23 02:00:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure async_completed [2021-11-23 02:00:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure security_task_getsecid [2021-11-23 02:00:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure security_task_getsecid [2021-11-23 02:00:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_sysfs_intf_files [2021-11-23 02:00:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_sysfs_intf_files [2021-11-23 02:00:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-11-23 02:00:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-11-23 02:00:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2021-11-23 02:00:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2021-11-23 02:00:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume_noirq [2021-11-23 02:00:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume_noirq [2021-11-23 02:00:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume [2021-11-23 02:00:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume [2021-11-23 02:00:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autosuspend_device [2021-11-23 02:00:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autosuspend_device [2021-11-23 02:00:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure driver_set_config_work [2021-11-23 02:00:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_set_config_work [2021-11-23 02:00:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_release [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_release [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_dev [2021-11-23 02:00:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_dev [2021-11-23 02:00:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func2 [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func2 [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure hub_init_func3 [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_init_func3 [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_suspend_both [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_suspend_both [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2021-11-23 02:00:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure pm_suspend_ignore_children [2021-11-23 02:00:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_suspend_ignore_children [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure hub_probe [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_probe [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure hub_resume [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_resume [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure usbfs_decrease_memory_usage [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usbfs_decrease_memory_usage [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_root_hub [2021-11-23 02:00:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_root_hub [2021-11-23 02:00:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure hub_post_reset [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_post_reset [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_link_state [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_link_state [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_open [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_open [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:00:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:00:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_thaw [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_thaw [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_init [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_init [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kick_khubd [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kick_khubd [2021-11-23 02:00:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_superspeed [2021-11-23 02:00:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_superspeed [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 02:00:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 02:00:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure rh_call_control [2021-11-23 02:00:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_call_control [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_configuration [2021-11-23 02:00:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_configuration [2021-11-23 02:00:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:00:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_configuration [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_configuration [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure releaseintf [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure releaseintf [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_detect_quirks [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_detect_quirks [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_port_device_release [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_port_device_release [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_ltm [2021-11-23 02:00:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_ltm [2021-11-23 02:00:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure hub_power_on [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_power_on [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_and_verify_device [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_and_verify_device [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_string [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_string [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_debounce [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_debounce [2021-11-23 02:00:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_resume [2021-11-23 02:00:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_resume [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_resume [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_resume [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure usbdev_poll [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usbdev_poll [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:00:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-23 02:00:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-23 02:00:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:00:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:00:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-23 02:00:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-23 02:00:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-11-23 02:00:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-11-23 02:00:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure connected [2021-11-23 02:00:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure connected [2021-11-23 02:00:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unbind_device [2021-11-23 02:00:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unbind_device [2021-11-23 02:00:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_alloc_bandwidth [2021-11-23 02:00:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_alloc_bandwidth [2021-11-23 02:00:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_status_mutex [2021-11-23 02:00:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_status_mutex [2021-11-23 02:00:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2021-11-23 02:00:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2021-11-23 02:00:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_ltm [2021-11-23 02:00:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_ltm [2021-11-23 02:00:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure generic_resume [2021-11-23 02:00:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_resume [2021-11-23 02:00:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-23 02:00:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-23 02:00:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure kick_khubd [2021-11-23 02:00:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_khubd [2021-11-23 02:00:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_submit_urb [2021-11-23 02:00:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_submit_urb [2021-11-23 02:00:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-23 02:00:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-23 02:00:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-11-23 02:00:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-11-23 02:00:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:00:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:00:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 02:00:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 02:00:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-23 02:00:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-23 02:00:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-23 02:00:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-23 02:00:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_get_child [2021-11-23 02:00:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_get_child [2021-11-23 02:00:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-11-23 02:00:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-11-23 02:00:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:00:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:00:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 02:00:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 02:00:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-23 02:00:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-23 02:00:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_probe_device [2021-11-23 02:00:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_probe_device [2021-11-23 02:00:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-11-23 02:00:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-11-23 02:00:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-23 02:00:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bandwidth_mutex [2021-11-23 02:00:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_lpm [2021-11-23 02:00:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_lpm [2021-11-23 02:00:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-23 02:00:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-23 02:00:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 02:00:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 02:00:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:00:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure driver_disconnect [2021-11-23 02:00:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_disconnect [2021-11-23 02:00:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-11-23 02:00:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-11-23 02:00:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usbfs_mutex [2021-11-23 02:00:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usbfs_mutex [2021-11-23 02:00:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure driver_resume [2021-11-23 02:00:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_resume [2021-11-23 02:00:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-11-23 02:00:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-11-23 02:00:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure remove_intf_ep_devs [2021-11-23 02:00:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_intf_ep_devs [2021-11-23 02:00:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure hub_port_disable [2021-11-23 02:00:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_port_disable [2021-11-23 02:00:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 02:00:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 02:00:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-23 02:00:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-23 02:00:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 02:00:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 02:00:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_sub [2021-11-23 02:00:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_sub [2021-11-23 02:00:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_device_match [2021-11-23 02:00:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_device_match [2021-11-23 02:00:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_lpm [2021-11-23 02:00:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_lpm [2021-11-23 02:00:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_dev_restore [2021-11-23 02:00:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_dev_restore [2021-11-23 02:00:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure update_devnum [2021-11-23 02:00:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure update_devnum [2021-11-23 02:00:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure hub_is_wusb [2021-11-23 02:00:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_is_wusb [2021-11-23 02:00:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 02:00:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 02:00:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_bus_suspend [2021-11-23 02:00:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_bus_suspend [2021-11-23 02:00:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ep_device_release [2021-11-23 02:00:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_device_release [2021-11-23 02:00:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure driver_probe [2021-11-23 02:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_probe [2021-11-23 02:00:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_release_bos_descriptor [2021-11-23 02:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_release_bos_descriptor [2021-11-23 02:00:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 02:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 02:00:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remote_wakeup [2021-11-23 02:00:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remote_wakeup [2021-11-23 02:00:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-23 02:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-23 02:00:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure powermac_set_asic [2021-11-23 02:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure powermac_set_asic [2021-11-23 02:00:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure suspend_common [2021-11-23 02:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure suspend_common [2021-11-23 02:00:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_resume_device [2021-11-23 02:00:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_resume_device [2021-11-23 02:00:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:00:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure sg_complete [2021-11-23 02:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_complete [2021-11-23 02:00:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 02:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 02:00:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:00:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure check_root_hub_suspended [2021-11-23 02:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure check_root_hub_suspended [2021-11-23 02:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure resume_common [2021-11-23 02:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure resume_common [2021-11-23 02:00:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_new_device [2021-11-23 02:00:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_new_device [2021-11-23 02:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2021-11-23 02:00:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2021-11-23 02:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_runtime_suspend [2021-11-23 02:00:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_runtime_suspend [2021-11-23 02:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disconnect [2021-11-23 02:00:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disconnect [2021-11-23 02:00:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure hub_activate [2021-11-23 02:00:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_activate [2021-11-23 02:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-23 02:00:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_no_reset_resume_drivers_interfaces [2021-11-23 02:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:00:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_endpoint [2021-11-23 02:00:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_endpoint [2021-11-23 02:00:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure finish_port_resume [2021-11-23 02:00:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_port_resume [2021-11-23 02:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2021-11-23 02:00:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2021-11-23 02:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure __suspend_report_result [2021-11-23 02:00:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __suspend_report_result [2021-11-23 02:00:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure hub_set_address [2021-11-23 02:00:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_set_address [2021-11-23 02:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 02:00:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 02:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_usb_device_driver [2021-11-23 02:00:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure is_usb_device_driver [2021-11-23 02:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-11-23 02:00:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-11-23 02:00:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:00:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:00:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:00:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:00:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:00:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:00:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure device_pm_wait_for_dev [2021-11-23 02:00:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_pm_wait_for_dev [2021-11-23 02:00:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_hub_status [2021-11-23 02:00:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hub_status [2021-11-23 02:00:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_lpm_sel [2021-11-23 02:00:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_lpm_sel [2021-11-23 02:00:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2021-11-23 02:00:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2021-11-23 02:00:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_choose_configuration [2021-11-23 02:00:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_choose_configuration [2021-11-23 02:00:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_pci_suspend [2021-11-23 02:00:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_pci_suspend [2021-11-23 02:00:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:00:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:00:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:00:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure set_port_feature [2021-11-23 02:00:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure set_port_feature [2021-11-23 02:00:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:00:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:00:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_unanchor_urb [2021-11-23 02:00:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_unanchor_urb [2021-11-23 02:00:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acpi_find_device [2021-11-23 02:00:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acpi_find_device [2021-11-23 02:00:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2021-11-23 02:00:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2021-11-23 02:00:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure do_rebind_interfaces [2021-11-23 02:00:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rebind_interfaces [2021-11-23 02:00:20,304 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:00:20,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:05:18,948 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:05:29,576 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:05:29,577 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:05:29,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:29 BoogieIcfgContainer [2021-11-23 02:05:29,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:05:29,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:05:29,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:05:29,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:05:29,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:59:55" (1/3) ... [2021-11-23 02:05:29,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450316e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:29, skipping insertion in model container [2021-11-23 02:05:29,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:14" (2/3) ... [2021-11-23 02:05:29,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450316e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:29, skipping insertion in model container [2021-11-23 02:05:29,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:29" (3/3) ... [2021-11-23 02:05:29,599 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-usb-core-usbcore-ko--32_7a--linux-3.7.3.i [2021-11-23 02:05:29,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:05:29,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:05:29,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:05:29,691 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:05:29,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:05:29,829 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) [2021-11-23 02:05:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:05:29,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:29,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:29,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:05:29,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:29,841 INFO L85 PathProgramCache]: Analyzing trace with hash 769812267, now seen corresponding path program 1 times [2021-11-23 02:05:29,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:05:29,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902803110] [2021-11-23 02:05:29,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:29,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:05:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:05:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:05:31,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:05:31,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902803110] [2021-11-23 02:05:31,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902803110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:05:31,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:05:31,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:05:31,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917683040] [2021-11-23 02:05:31,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:05:31,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:05:31,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:05:31,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:05:31,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:05:31,524 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) [2021-11-23 02:05:33,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:05:37,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:05:46,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:05:46,575 INFO L93 Difference]: Finished difference Result 17490 states and 26498 transitions. [2021-11-23 02:05:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:05:46,580 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 [2021-11-23 02:05:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:05:46,772 INFO L225 Difference]: With dead ends: 17490 [2021-11-23 02:05:46,772 INFO L226 Difference]: Without dead ends: 11548 [2021-11-23 02:05:46,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:05:46,866 INFO L933 BasicCegarLoop]: 10408 mSDtfsCounter, 8828 mSDsluCounter, 8168 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8835 SdHoareTripleChecker+Valid, 17656 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:05:46,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8835 Valid, 17656 Invalid, 2029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2023 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2021-11-23 02:05:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11548 states. [2021-11-23 02:05:47,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11548 to 11535. [2021-11-23 02:05:47,810 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) [2021-11-23 02:05:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11535 states to 11535 states and 16955 transitions. [2021-11-23 02:05:47,925 INFO L78 Accepts]: Start accepts. Automaton has 11535 states and 16955 transitions. Word has length 10 [2021-11-23 02:05:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:05:47,926 INFO L470 AbstractCegarLoop]: Abstraction has 11535 states and 16955 transitions. [2021-11-23 02:05:47,927 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) [2021-11-23 02:05:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 11535 states and 16955 transitions. [2021-11-23 02:05:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:05:47,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:47,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:47,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:05:47,932 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:05:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:47,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1909036262, now seen corresponding path program 1 times [2021-11-23 02:05:47,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:05:47,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871791595] [2021-11-23 02:05:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:47,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:05:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:05:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:05:49,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:05:49,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871791595] [2021-11-23 02:05:49,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871791595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:05:49,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:05:49,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:05:49,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071476552] [2021-11-23 02:05:49,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:05:49,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:05:49,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:05:49,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:05:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:05:49,087 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) [2021-11-23 02:05:51,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:05:54,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:05:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:05:58,709 INFO L93 Difference]: Finished difference Result 11539 states and 16964 transitions. [2021-11-23 02:05:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:05:58,710 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 [2021-11-23 02:05:58,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:05:58,812 INFO L225 Difference]: With dead ends: 11539 [2021-11-23 02:05:58,812 INFO L226 Difference]: Without dead ends: 11536 [2021-11-23 02:05:58,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:05:58,827 INFO L933 BasicCegarLoop]: 7548 mSDtfsCounter, 8474 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s 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, 9.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:05:58,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8481 Valid, 7549 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-11-23 02:05:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11536 states. [2021-11-23 02:05:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11536 to 11536. [2021-11-23 02:05:59,650 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) [2021-11-23 02:05:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11536 states to 11536 states and 16961 transitions. [2021-11-23 02:05:59,745 INFO L78 Accepts]: Start accepts. Automaton has 11536 states and 16961 transitions. Word has length 11 [2021-11-23 02:05:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:05:59,746 INFO L470 AbstractCegarLoop]: Abstraction has 11536 states and 16961 transitions. [2021-11-23 02:05:59,746 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) [2021-11-23 02:05:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 11536 states and 16961 transitions. [2021-11-23 02:05:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:05:59,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:59,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:59,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:05:59,748 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:05:59,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:59,749 INFO L85 PathProgramCache]: Analyzing trace with hash 946010126, now seen corresponding path program 1 times [2021-11-23 02:05:59,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:05:59,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659265435] [2021-11-23 02:05:59,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:00,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:00,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659265435] [2021-11-23 02:06:00,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659265435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:00,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:00,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:00,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134584056] [2021-11-23 02:06:00,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:00,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:00,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:00,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:00,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:00,596 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) [2021-11-23 02:06:02,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:06:06,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:06:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:09,538 INFO L93 Difference]: Finished difference Result 11538 states and 16962 transitions. [2021-11-23 02:06:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:09,538 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 [2021-11-23 02:06:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:09,621 INFO L225 Difference]: With dead ends: 11538 [2021-11-23 02:06:09,622 INFO L226 Difference]: Without dead ends: 11535 [2021-11-23 02:06:09,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:09,633 INFO L933 BasicCegarLoop]: 7546 mSDtfsCounter, 8471 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s 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 [2021-11-23 02:06:09,634 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] [2021-11-23 02:06:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11535 states. [2021-11-23 02:06:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11535 to 11535. [2021-11-23 02:06:10,353 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) [2021-11-23 02:06:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11535 states to 11535 states and 16959 transitions. [2021-11-23 02:06:10,432 INFO L78 Accepts]: Start accepts. Automaton has 11535 states and 16959 transitions. Word has length 12 [2021-11-23 02:06:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:10,432 INFO L470 AbstractCegarLoop]: Abstraction has 11535 states and 16959 transitions. [2021-11-23 02:06:10,432 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) [2021-11-23 02:06:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 11535 states and 16959 transitions. [2021-11-23 02:06:10,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:06:10,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:10,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:06:10,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:06:10,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:10,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash -741860195, now seen corresponding path program 1 times [2021-11-23 02:06:10,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:06:10,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69635586] [2021-11-23 02:06:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:10,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:11,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:11,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69635586] [2021-11-23 02:06:11,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69635586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:11,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:11,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:11,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39926363] [2021-11-23 02:06:11,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:11,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:11,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:11,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:11,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:11,330 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) [2021-11-23 02:06:13,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:06:16,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:06:18,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:06:21,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:21,314 INFO L93 Difference]: Finished difference Result 11537 states and 16960 transitions. [2021-11-23 02:06:21,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:21,315 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 [2021-11-23 02:06:21,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:21,370 INFO L225 Difference]: With dead ends: 11537 [2021-11-23 02:06:21,370 INFO L226 Difference]: Without dead ends: 11534 [2021-11-23 02:06:21,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:21,377 INFO L933 BasicCegarLoop]: 7544 mSDtfsCounter, 8468 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s 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, 9.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:21,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8475 Valid, 7545 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2021-11-23 02:06:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11534 states. [2021-11-23 02:06:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11534 to 11534. [2021-11-23 02:06:22,009 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) [2021-11-23 02:06:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11534 states to 11534 states and 16957 transitions. [2021-11-23 02:06:22,084 INFO L78 Accepts]: Start accepts. Automaton has 11534 states and 16957 transitions. Word has length 13 [2021-11-23 02:06:22,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:22,084 INFO L470 AbstractCegarLoop]: Abstraction has 11534 states and 16957 transitions. [2021-11-23 02:06:22,084 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) [2021-11-23 02:06:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 11534 states and 16957 transitions. [2021-11-23 02:06:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:06:22,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:22,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:06:22,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:06:22,087 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227727, now seen corresponding path program 1 times [2021-11-23 02:06:22,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:06:22,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791974619] [2021-11-23 02:06:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:22,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:23,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:23,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791974619] [2021-11-23 02:06:23,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791974619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:23,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:23,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:23,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913725814] [2021-11-23 02:06:23,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:23,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:23,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:23,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:23,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:23,091 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) [2021-11-23 02:06:25,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:06:29,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:29,490 INFO L93 Difference]: Finished difference Result 11536 states and 16958 transitions. [2021-11-23 02:06:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:29,491 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 [2021-11-23 02:06:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:29,550 INFO L225 Difference]: With dead ends: 11536 [2021-11-23 02:06:29,550 INFO L226 Difference]: Without dead ends: 11533 [2021-11-23 02:06:29,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:29,559 INFO L933 BasicCegarLoop]: 7537 mSDtfsCounter, 8471 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8471 SdHoareTripleChecker+Valid, 7538 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 [2021-11-23 02:06:29,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8471 Valid, 7538 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2021-11-23 02:06:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11533 states. [2021-11-23 02:06:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11533 to 11533. [2021-11-23 02:06:30,186 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) [2021-11-23 02:06:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11533 states to 11533 states and 16955 transitions. [2021-11-23 02:06:30,263 INFO L78 Accepts]: Start accepts. Automaton has 11533 states and 16955 transitions. Word has length 14 [2021-11-23 02:06:30,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:30,263 INFO L470 AbstractCegarLoop]: Abstraction has 11533 states and 16955 transitions. [2021-11-23 02:06:30,264 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) [2021-11-23 02:06:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 11533 states and 16955 transitions. [2021-11-23 02:06:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:06:30,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:30,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:06:30,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:06:30,267 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:30,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:30,268 INFO L85 PathProgramCache]: Analyzing trace with hash -71812576, now seen corresponding path program 1 times [2021-11-23 02:06:30,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:06:30,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455865031] [2021-11-23 02:06:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:30,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:31,156 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:31,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455865031] [2021-11-23 02:06:31,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455865031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:31,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:31,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:31,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593360039] [2021-11-23 02:06:31,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:31,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:31,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:31,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:31,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:31,161 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) [2021-11-23 02:06:33,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:06:37,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:37,931 INFO L93 Difference]: Finished difference Result 11535 states and 16956 transitions. [2021-11-23 02:06:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:37,931 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 [2021-11-23 02:06:37,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:37,981 INFO L225 Difference]: With dead ends: 11535 [2021-11-23 02:06:37,982 INFO L226 Difference]: Without dead ends: 11532 [2021-11-23 02:06:37,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:37,989 INFO L933 BasicCegarLoop]: 7535 mSDtfsCounter, 8468 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:37,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8468 Valid, 7536 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-11-23 02:06:38,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11532 states. [2021-11-23 02:06:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11532 to 11532. [2021-11-23 02:06:38,598 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) [2021-11-23 02:06:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 16953 transitions. [2021-11-23 02:06:38,665 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 16953 transitions. Word has length 15 [2021-11-23 02:06:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:38,666 INFO L470 AbstractCegarLoop]: Abstraction has 11532 states and 16953 transitions. [2021-11-23 02:06:38,666 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) [2021-11-23 02:06:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 16953 transitions. [2021-11-23 02:06:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 02:06:38,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:38,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:06:38,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:06:38,673 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2065389012, now seen corresponding path program 1 times [2021-11-23 02:06:38,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:06:38,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263936465] [2021-11-23 02:06:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:38,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:39,415 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:39,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263936465] [2021-11-23 02:06:39,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263936465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:39,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:39,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:39,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876904195] [2021-11-23 02:06:39,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:39,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:39,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:39,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:39,418 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) [2021-11-23 02:06:41,779 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 [] [2021-11-23 02:06:44,447 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 [] [2021-11-23 02:06:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:53,443 INFO L93 Difference]: Finished difference Result 34177 states and 54636 transitions. [2021-11-23 02:06:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:53,443 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 [2021-11-23 02:06:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:53,591 INFO L225 Difference]: With dead ends: 34177 [2021-11-23 02:06:53,591 INFO L226 Difference]: Without dead ends: 22649 [2021-11-23 02:06:53,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:53,707 INFO L933 BasicCegarLoop]: 11435 mSDtfsCounter, 8651 mSDsluCounter, 8747 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8651 SdHoareTripleChecker+Valid, 19257 SdHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:53,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8651 Valid, 19257 Invalid, 2194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2185 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2021-11-23 02:06:53,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22649 states. [2021-11-23 02:06:55,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22649 to 22596. [2021-11-23 02:06:55,451 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) [2021-11-23 02:06:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22596 states to 22596 states and 35394 transitions. [2021-11-23 02:06:55,829 INFO L78 Accepts]: Start accepts. Automaton has 22596 states and 35394 transitions. Word has length 16 [2021-11-23 02:06:55,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:55,829 INFO L470 AbstractCegarLoop]: Abstraction has 22596 states and 35394 transitions. [2021-11-23 02:06:55,829 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) [2021-11-23 02:06:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22596 states and 35394 transitions. [2021-11-23 02:06:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:06:55,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:55,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:06:55,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:06:55,832 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:55,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:55,833 INFO L85 PathProgramCache]: Analyzing trace with hash -400833629, now seen corresponding path program 1 times [2021-11-23 02:06:55,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:06:55,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602898540] [2021-11-23 02:06:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:55,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:06:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:56,513 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:06:56,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602898540] [2021-11-23 02:06:56,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602898540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:56,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:56,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:06:56,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17682887] [2021-11-23 02:06:56,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:56,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:56,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:06:56,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:56,515 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) [2021-11-23 02:06:58,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:07:04,244 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 [] [2021-11-23 02:07:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:07:11,614 INFO L93 Difference]: Finished difference Result 63625 states and 110292 transitions. [2021-11-23 02:07:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:07:11,615 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 [2021-11-23 02:07:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:07:11,910 INFO L225 Difference]: With dead ends: 63625 [2021-11-23 02:07:11,911 INFO L226 Difference]: Without dead ends: 41033 [2021-11-23 02:07:12,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:07:12,402 INFO L933 BasicCegarLoop]: 12740 mSDtfsCounter, 8752 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8759 SdHoareTripleChecker+Valid, 18819 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:07:12,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8759 Valid, 18819 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2271 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2021-11-23 02:07:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41033 states. [2021-11-23 02:07:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41033 to 40955. [2021-11-23 02:07:15,224 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) [2021-11-23 02:07:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40955 states to 40955 states and 67085 transitions. [2021-11-23 02:07:15,683 INFO L78 Accepts]: Start accepts. Automaton has 40955 states and 67085 transitions. Word has length 17 [2021-11-23 02:07:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:07:15,684 INFO L470 AbstractCegarLoop]: Abstraction has 40955 states and 67085 transitions. [2021-11-23 02:07:15,684 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) [2021-11-23 02:07:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 40955 states and 67085 transitions. [2021-11-23 02:07:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:07:15,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:07:15,687 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:07:15,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:07:15,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:07:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:07:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash 455680695, now seen corresponding path program 1 times [2021-11-23 02:07:15,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:07:15,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167592045] [2021-11-23 02:07:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:07:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:07:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:07:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:16,757 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:07:16,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167592045] [2021-11-23 02:07:16,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167592045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:07:16,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:07:16,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:07:16,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263123325] [2021-11-23 02:07:16,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:07:16,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:07:16,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:07:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:07:16,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:07:16,761 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) [2021-11-23 02:07:19,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:07:22,811 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 [] [2021-11-23 02:07:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:07:32,998 INFO L93 Difference]: Finished difference Result 120813 states and 230501 transitions. [2021-11-23 02:07:32,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:07:32,999 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 [2021-11-23 02:07:32,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:07:33,862 INFO L225 Difference]: With dead ends: 120813 [2021-11-23 02:07:33,863 INFO L226 Difference]: Without dead ends: 79862 [2021-11-23 02:07:34,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:07:34,640 INFO L933 BasicCegarLoop]: 9897 mSDtfsCounter, 8818 mSDsluCounter, 7667 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8825 SdHoareTripleChecker+Valid, 16715 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:07:34,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8825 Valid, 16715 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1851 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-11-23 02:07:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79862 states. [2021-11-23 02:07:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79862 to 79786. [2021-11-23 02:07:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79786 states, 49410 states have (on average 1.3421776968225057) internal successors, (66317), 51607 states have internal predecessors, (66317), 23809 states have call successors, (23809), 6662 states have call predecessors, (23809), 6566 states have return successors, (51429), 23075 states have call predecessors, (51429), 23769 states have call successors, (51429) [2021-11-23 02:07:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79786 states to 79786 states and 141555 transitions. [2021-11-23 02:07:41,420 INFO L78 Accepts]: Start accepts. Automaton has 79786 states and 141555 transitions. Word has length 18 [2021-11-23 02:07:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:07:41,422 INFO L470 AbstractCegarLoop]: Abstraction has 79786 states and 141555 transitions. [2021-11-23 02:07:41,422 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) [2021-11-23 02:07:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 79786 states and 141555 transitions. [2021-11-23 02:07:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 02:07:41,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:07:41,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:07:41,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:07:41,425 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:07:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:07:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1237825830, now seen corresponding path program 1 times [2021-11-23 02:07:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:07:41,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838171370] [2021-11-23 02:07:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:07:41,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:07:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:07:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:42,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:07:42,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838171370] [2021-11-23 02:07:42,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838171370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:07:42,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:07:42,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:07:42,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212876655] [2021-11-23 02:07:42,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:07:42,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:07:42,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:07:42,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:07:42,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:07:42,115 INFO L87 Difference]: Start difference. First operand 79786 states and 141555 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) [2021-11-23 02:07:44,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:07:48,376 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 [] [2021-11-23 02:07:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:07:54,498 INFO L93 Difference]: Finished difference Result 79788 states and 141556 transitions. [2021-11-23 02:07:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:07:54,498 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 19 [2021-11-23 02:07:54,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:07:55,071 INFO L225 Difference]: With dead ends: 79788 [2021-11-23 02:07:55,071 INFO L226 Difference]: Without dead ends: 79785 [2021-11-23 02:07:55,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:07:55,134 INFO L933 BasicCegarLoop]: 7533 mSDtfsCounter, 8453 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8460 SdHoareTripleChecker+Valid, 7534 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:07:55,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8460 Valid, 7534 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2021-11-23 02:07:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79785 states.