./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aaa391796caf9ffd02d820d63142c08953b50843acf6dbe45cefeca4ae26da3b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:17:51,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:17:51,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:17:51,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:17:51,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:17:51,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:17:51,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:17:51,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:17:51,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:17:51,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:17:51,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:17:51,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:17:51,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:17:51,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:17:51,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:17:51,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:17:51,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:17:51,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:17:51,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:17:51,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:17:51,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:17:51,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:17:51,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:17:51,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:17:51,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:17:51,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:17:51,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:17:51,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:17:51,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:17:51,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:17:51,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:17:51,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:17:51,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:17:51,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:17:51,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:17:51,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:17:51,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:17:51,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:17:51,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:17:51,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:17:51,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:17:51,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:17:51,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:17:51,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:17:51,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:17:51,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:17:51,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:17:51,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:17:51,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:17:51,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:17:51,560 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:17:51,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:17:51,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:17:51,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:17:51,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:17:51,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:17:51,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:17:51,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:17:51,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:17:51,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:17:51,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:17:51,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:17:51,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:17:51,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:17:51,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:17:51,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:17:51,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:17:51,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:17:51,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:17:51,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:17:51,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:17:51,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:17:51,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:17:51,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaa391796caf9ffd02d820d63142c08953b50843acf6dbe45cefeca4ae26da3b [2021-12-21 16:17:51,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:17:51,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:17:51,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:17:51,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:17:51,830 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:17:51,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2021-12-21 16:17:51,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8d7acf6/59a67a4026c04f798540a06ff35cf207/FLAGa398a74ac [2021-12-21 16:17:52,620 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:17:52,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2021-12-21 16:17:52,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8d7acf6/59a67a4026c04f798540a06ff35cf207/FLAGa398a74ac [2021-12-21 16:17:52,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8d7acf6/59a67a4026c04f798540a06ff35cf207 [2021-12-21 16:17:52,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:17:52,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:17:52,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:17:52,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:17:52,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:17:52,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:17:52" (1/1) ... [2021-12-21 16:17:52,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@546f89e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:52, skipping insertion in model container [2021-12-21 16:17:52,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:17:52" (1/1) ... [2021-12-21 16:17:52,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:17:52,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:17:53,340 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-21 16:17:53,341 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5978-5979] [2021-12-21 16:17:53,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i[185445,185458] [2021-12-21 16:17:54,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:17:54,719 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:17:54,824 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-21 16:17:54,826 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5978-5979] [2021-12-21 16:17:54,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i[185445,185458] [2021-12-21 16:17:55,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:17:55,318 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:17:55,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55 WrapperNode [2021-12-21 16:17:55,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:17:55,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:17:55,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:17:55,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:17:55,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,567 INFO L137 Inliner]: procedures = 324, calls = 3021, calls flagged for inlining = 155, calls inlined = 152, statements flattened = 6280 [2021-12-21 16:17:55,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:17:55,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:17:55,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:17:55,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:17:55,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:17:55,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:17:55,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:17:55,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:17:55,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (1/1) ... [2021-12-21 16:17:55,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:17:55,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:17:55,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:17:55,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:17:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-21 16:17:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-21 16:17:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-21 16:17:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-21 16:17:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_serial_device [2021-12-21 16:17:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_serial_device [2021-12-21 16:17:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:17:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:17:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:17:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:17:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:17:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2021-12-21 16:17:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2021-12-21 16:17:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure mux_device_request [2021-12-21 16:17:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mux_device_request [2021-12-21 16:17:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle [2021-12-21 16:17:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle [2021-12-21 16:17:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_ep [2021-12-21 16:17:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_ep [2021-12-21 16:17:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-21 16:17:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-21 16:17:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:17:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:17:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:17:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:17:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:17:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:17:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure hso_kick_transmit [2021-12-21 16:17:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_kick_transmit [2021-12-21 16:17:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_activity [2021-12-21 16:17:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_activity [2021-12-21 16:17:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure fix_crc_bug [2021-12-21 16:17:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_crc_bug [2021-12-21 16:17:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-21 16:17:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-21 16:17:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_set_termios [2021-12-21 16:17:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_set_termios [2021-12-21 16:17:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:17:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:17:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-21 16:17:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-21 16:17:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:17:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:17:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev2ser [2021-12-21 16:17:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2ser [2021-12-21 16:17:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:17:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:17:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:17:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:17:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:17:55,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:17:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:17:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:17:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:17:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:17:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2021-12-21 16:17:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2021-12-21 16:17:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_net_device [2021-12-21 16:17:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_net_device [2021-12-21 16:17:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:17:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:17:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:17:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:17:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:17:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:17:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data [2021-12-21 16:17:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data [2021-12-21 16:17:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmget [2021-12-21 16:17:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmget [2021-12-21 16:17:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_net_device [2021-12-21 16:17:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_net_device [2021-12-21 16:17:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:17:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:17:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:17:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:17:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:17:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:17:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_read [2021-12-21 16:17:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_read [2021-12-21 16:17:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_free [2021-12-21 16:17:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_free [2021-12-21 16:17:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:17:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-21 16:17:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-21 16:17:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:17:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_count [2021-12-21 16:17:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_count [2021-12-21 16:17:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_submit_urb [2021-12-21 16:17:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_submit_urb [2021-12-21 16:17:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 16:17:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 16:17:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-21 16:17:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-21 16:17:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:17:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:17:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:17:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:17:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_close [2021-12-21 16:17:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_close [2021-12-21 16:17:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:17:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:17:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:17:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:17:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-21 16:17:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-21 16:17:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:17:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:17:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:17:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:17:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:17:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:17:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure _hso_serial_set_termios [2021-12-21 16:17:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _hso_serial_set_termios [2021-12-21 16:17:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-21 16:17:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-21 16:17:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:17:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:17:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:17:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resume [2021-12-21 16:17:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resume [2021-12-21 16:17:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-21 16:17:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-21 16:17:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:17:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:17:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure hso_put_activity [2021-12-21 16:17:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_put_activity [2021-12-21 16:17:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:17:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2021-12-21 16:17:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2021-12-21 16:17:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_submit_intr_urb [2021-12-21 16:17:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_submit_intr_urb [2021-12-21 16:17:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-21 16:17:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-21 16:17:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-21 16:17:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-21 16:17:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_to_port [2021-12-21 16:17:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_to_port [2021-12-21 16:17:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:17:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_chars_in_buffer [2021-12-21 16:17:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_chars_in_buffer [2021-12-21 16:17:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure dev2net [2021-12-21 16:17:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2net [2021-12-21 16:17:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-21 16:17:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-21 16:17:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:17:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:17:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-21 16:17:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-21 16:17:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ioctl [2021-12-21 16:17:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ioctl [2021-12-21 16:17:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:17:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:17:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-21 16:17:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-21 16:17:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:17:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:17:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_device [2021-12-21 16:17:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_device [2021-12-21 16:17:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-21 16:17:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-21 16:17:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:17:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:17:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write_room [2021-12-21 16:17:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write_room [2021-12-21 16:17:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-21 16:17:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-21 16:17:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:17:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_tx_timeout [2021-12-21 16:17:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_tx_timeout [2021-12-21 16:17:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure hso_urb_to_index [2021-12-21 16:17:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_urb_to_index [2021-12-21 16:17:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:17:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:17:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-21 16:17:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-21 16:17:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:17:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:17:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_by_index [2021-12-21 16:17:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_by_index [2021-12-21 16:17:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_net_device [2021-12-21 16:17:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_net_device [2021-12-21 16:17:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:17:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_interface [2021-12-21 16:17:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_interface [2021-12-21 16:17:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:17:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure handle_usb_error [2021-12-21 16:17:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_usb_error [2021-12-21 16:17:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_start_xmit [2021-12-21 16:17:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_start_xmit [2021-12-21 16:17:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:17:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:17:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure hso_disconnect [2021-12-21 16:17:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_disconnect [2021-12-21 16:17:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmset [2021-12-21 16:17:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmset [2021-12-21 16:17:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_create [2021-12-21 16:17:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_create [2021-12-21 16:17:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:17:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:17:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:17:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:17:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:17:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:17:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure hso_log_port [2021-12-21 16:17:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_log_port [2021-12-21 16:17:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_tasklet [2021-12-21 16:17:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_tasklet [2021-12-21 16:17:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-21 16:17:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-21 16:17:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:17:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:17:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-21 16:17:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-21 16:17:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:17:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:17:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_tiomget [2021-12-21 16:17:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_tiomget [2021-12-21 16:17:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:17:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:17:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:17:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:17:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 16:17:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 16:17:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:17:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:17:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_open [2021-12-21 16:17:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_open [2021-12-21 16:17:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2021-12-21 16:17:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2021-12-21 16:17:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:17:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:17:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_net_device [2021-12-21 16:17:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_net_device [2021-12-21 16:17:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:17:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_serial_device [2021-12-21 16:17:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_serial_device [2021-12-21 16:17:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-21 16:17:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-21 16:17:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:17:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:17:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-21 16:17:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-21 16:17:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-21 16:17:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-21 16:17:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:17:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:17:56,804 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:17:56,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:17:57,130 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:18:07,076 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:18:07,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:18:07,106 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:18:07,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:18:07 BoogieIcfgContainer [2021-12-21 16:18:07,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:18:07,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:18:07,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:18:07,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:18:07,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:17:52" (1/3) ... [2021-12-21 16:18:07,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5e9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:18:07, skipping insertion in model container [2021-12-21 16:18:07,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:55" (2/3) ... [2021-12-21 16:18:07,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5e9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:18:07, skipping insertion in model container [2021-12-21 16:18:07,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:18:07" (3/3) ... [2021-12-21 16:18:07,117 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2021-12-21 16:18:07,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:18:07,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:18:07,178 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:18:07,183 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:18:07,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:18:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 2082 states, 1489 states have (on average 1.3781061114842177) internal successors, (2052), 1528 states have internal predecessors, (2052), 479 states have call successors, (479), 113 states have call predecessors, (479), 112 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2021-12-21 16:18:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 16:18:07,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:18:07,257 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:18:07,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:18:07,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:18:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1741087448, now seen corresponding path program 1 times [2021-12-21 16:18:07,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:18:07,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772243758] [2021-12-21 16:18:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:18:07,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:18:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:18:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:18:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:18:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:18:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:18:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:18:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:18:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:18:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:18:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:18:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:18:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:18:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:18:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-21 16:18:08,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:18:08,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772243758] [2021-12-21 16:18:08,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772243758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:18:08,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:18:08,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:18:08,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816633192] [2021-12-21 16:18:08,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:18:08,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:18:08,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:18:08,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:18:08,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:18:08,163 INFO L87 Difference]: Start difference. First operand has 2082 states, 1489 states have (on average 1.3781061114842177) internal successors, (2052), 1528 states have internal predecessors, (2052), 479 states have call successors, (479), 113 states have call predecessors, (479), 112 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:18:11,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:13,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:15,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:17,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:19,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:23,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:24,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:26,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:33,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:18:37,395 INFO L93 Difference]: Finished difference Result 6487 states and 9635 transitions. [2021-12-21 16:18:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:18:37,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 94 [2021-12-21 16:18:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:18:37,444 INFO L225 Difference]: With dead ends: 6487 [2021-12-21 16:18:37,444 INFO L226 Difference]: Without dead ends: 4364 [2021-12-21 16:18:37,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:18:37,466 INFO L933 BasicCegarLoop]: 3108 mSDtfsCounter, 5224 mSDsluCounter, 4580 mSDsCounter, 0 mSdLazyCounter, 3659 mSolverCounterSat, 2685 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 7688 SdHoareTripleChecker+Invalid, 6351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2685 IncrementalHoareTripleChecker+Valid, 3659 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:18:37,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5492 Valid, 7688 Invalid, 6351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2685 Valid, 3659 Invalid, 7 Unknown, 0 Unchecked, 28.5s Time] [2021-12-21 16:18:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2021-12-21 16:18:37,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3669. [2021-12-21 16:18:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3669 states, 2639 states have (on average 1.3709738537324745) internal successors, (3618), 2694 states have internal predecessors, (3618), 815 states have call successors, (815), 213 states have call predecessors, (815), 214 states have return successors, (821), 804 states have call predecessors, (821), 814 states have call successors, (821) [2021-12-21 16:18:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 5254 transitions. [2021-12-21 16:18:37,819 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 5254 transitions. Word has length 94 [2021-12-21 16:18:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:18:37,820 INFO L470 AbstractCegarLoop]: Abstraction has 3669 states and 5254 transitions. [2021-12-21 16:18:37,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:18:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 5254 transitions. [2021-12-21 16:18:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-21 16:18:37,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:18:37,839 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:18:37,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:18:37,840 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:18:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:18:37,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1245622107, now seen corresponding path program 1 times [2021-12-21 16:18:37,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:18:37,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077738021] [2021-12-21 16:18:37,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:18:37,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:18:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:18:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:18:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:18:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:18:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:18:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:18:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:18:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:18:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:18:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:18:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:18:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:18:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:18:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 16:18:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:18:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:18:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 16:18:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:18:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 16:18:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 16:18:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-21 16:18:38,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:18:38,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077738021] [2021-12-21 16:18:38,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077738021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:18:38,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:18:38,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:18:38,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746870903] [2021-12-21 16:18:38,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:18:38,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:18:38,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:18:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:18:38,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:18:38,419 INFO L87 Difference]: Start difference. First operand 3669 states and 5254 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 16:18:41,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:43,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:18:45,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []