./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 ae007674 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-ae00767 [2021-12-28 04:02:39,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:02:39,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:02:39,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:02:39,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:02:39,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:02:39,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:02:39,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:02:39,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:02:39,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:02:39,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:02:39,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:02:39,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:02:39,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:02:39,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:02:39,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:02:39,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:02:39,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:02:39,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:02:39,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:02:39,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:02:39,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:02:39,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:02:39,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:02:39,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:02:39,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:02:39,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:02:39,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:02:39,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:02:39,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:02:39,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:02:39,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:02:39,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:02:39,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:02:39,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:02:39,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:02:39,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:02:39,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:02:39,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:02:39,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:02:39,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:02:39,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:02:39,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:02:39,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:02:39,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:02:39,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:02:39,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:02:39,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:02:39,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:02:39,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:02:39,766 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:02:39,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:02:39,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:02:39,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:02:39,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:02:39,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:02:39,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:02:39,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:02:39,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:02:39,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:02:39,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:02:39,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:02:39,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:02:39,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:02:39,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:02:39,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:02:39,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:02:39,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaa391796caf9ffd02d820d63142c08953b50843acf6dbe45cefeca4ae26da3b [2021-12-28 04:02:40,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:02:40,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:02:40,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:02:40,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:02:40,131 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:02:40,132 INFO L432 ainManager$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 [2021-12-28 04:02:40,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1776c6d/1a781c9646ee4374a0335a4168eb1e12/FLAG109374489 [2021-12-28 04:02:40,998 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:02:40,999 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 [2021-12-28 04:02:41,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1776c6d/1a781c9646ee4374a0335a4168eb1e12/FLAG109374489 [2021-12-28 04:02:41,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1776c6d/1a781c9646ee4374a0335a4168eb1e12 [2021-12-28 04:02:41,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:02:41,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:02:41,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:02:41,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:02:41,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:02:41,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:02:41" (1/1) ... [2021-12-28 04:02:41,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a71782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:41, skipping insertion in model container [2021-12-28 04:02:41,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:02:41" (1/1) ... [2021-12-28 04:02:41,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:02:41,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:02:41,838 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-28 04:02:41,840 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] [2021-12-28 04:02:42,226 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] [2021-12-28 04:02:43,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:02:43,324 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:02:43,422 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-28 04:02:43,423 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] [2021-12-28 04:02:43,435 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] [2021-12-28 04:02:43,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:02:44,070 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:02:44,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44 WrapperNode [2021-12-28 04:02:44,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:02:44,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:02:44,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:02:44,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:02:44,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,392 INFO L137 Inliner]: procedures = 324, calls = 3021, calls flagged for inlining = 155, calls inlined = 152, statements flattened = 6280 [2021-12-28 04:02:44,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:02:44,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:02:44,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:02:44,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:02:44,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:02:44,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:02:44,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:02:44,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:02:44,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (1/1) ... [2021-12-28 04:02:44,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:02:44,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:02:44,753 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) [2021-12-28 04:02:44,774 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 [2021-12-28 04:02:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 04:02:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 04:02:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-28 04:02:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-28 04:02:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_serial_device [2021-12-28 04:02:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_serial_device [2021-12-28 04:02:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:02:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:02:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:02:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:02:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:02:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2021-12-28 04:02:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2021-12-28 04:02:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure mux_device_request [2021-12-28 04:02:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mux_device_request [2021-12-28 04:02:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle [2021-12-28 04:02:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle [2021-12-28 04:02:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_ep [2021-12-28 04:02:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_ep [2021-12-28 04:02:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-28 04:02:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-28 04:02:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:02:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:02:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:02:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:02:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:02:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:02:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure hso_kick_transmit [2021-12-28 04:02:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_kick_transmit [2021-12-28 04:02:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_activity [2021-12-28 04:02:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_activity [2021-12-28 04:02:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure fix_crc_bug [2021-12-28 04:02:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_crc_bug [2021-12-28 04:02:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-28 04:02:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-28 04:02:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_set_termios [2021-12-28 04:02:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_set_termios [2021-12-28 04:02:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:02:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:02:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-28 04:02:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-28 04:02:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:02:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:02:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure dev2ser [2021-12-28 04:02:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2ser [2021-12-28 04:02:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:02:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:02:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:02:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:02:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:02:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:02:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:02:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:02:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:02:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:02:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2021-12-28 04:02:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2021-12-28 04:02:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_net_device [2021-12-28 04:02:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_net_device [2021-12-28 04:02:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:02:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:02:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:02:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:02:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:02:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:02:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data [2021-12-28 04:02:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data [2021-12-28 04:02:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmget [2021-12-28 04:02:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmget [2021-12-28 04:02:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_net_device [2021-12-28 04:02:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_net_device [2021-12-28 04:02:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:02:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:02:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:02:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:02:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:02:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:02:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_read [2021-12-28 04:02:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_read [2021-12-28 04:02:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_free [2021-12-28 04:02:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_free [2021-12-28 04:02:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:02:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-28 04:02:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-28 04:02:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:02:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_count [2021-12-28 04:02:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_count [2021-12-28 04:02:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_submit_urb [2021-12-28 04:02:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_submit_urb [2021-12-28 04:02:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:02:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:02:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-28 04:02:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-28 04:02:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:02:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:02:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:02:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:02:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_close [2021-12-28 04:02:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_close [2021-12-28 04:02:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:02:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:02:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:02:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:02:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 04:02:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 04:02:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:02:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:02:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:02:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:02:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:02:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:02:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure _hso_serial_set_termios [2021-12-28 04:02:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _hso_serial_set_termios [2021-12-28 04:02:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 04:02:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 04:02:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:02:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:02:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:02:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resume [2021-12-28 04:02:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resume [2021-12-28 04:02:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-28 04:02:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-28 04:02:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:02:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:02:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure hso_put_activity [2021-12-28 04:02:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_put_activity [2021-12-28 04:02:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:02:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2021-12-28 04:02:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2021-12-28 04:02:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_submit_intr_urb [2021-12-28 04:02:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_submit_intr_urb [2021-12-28 04:02:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-28 04:02:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-28 04:02:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-28 04:02:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-28 04:02:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_to_port [2021-12-28 04:02:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_to_port [2021-12-28 04:02:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:02:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_chars_in_buffer [2021-12-28 04:02:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_chars_in_buffer [2021-12-28 04:02:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure dev2net [2021-12-28 04:02:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2net [2021-12-28 04:02:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-28 04:02:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-28 04:02:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:02:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:02:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:02:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:02:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ioctl [2021-12-28 04:02:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ioctl [2021-12-28 04:02:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:02:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:02:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 04:02:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 04:02:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:02:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:02:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_device [2021-12-28 04:02:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_device [2021-12-28 04:02:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-28 04:02:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-28 04:02:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:02:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:02:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write_room [2021-12-28 04:02:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write_room [2021-12-28 04:02:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-28 04:02:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-28 04:02:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:02:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_tx_timeout [2021-12-28 04:02:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_tx_timeout [2021-12-28 04:02:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure hso_urb_to_index [2021-12-28 04:02:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_urb_to_index [2021-12-28 04:02:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:02:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:02:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 04:02:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 04:02:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:02:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:02:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_by_index [2021-12-28 04:02:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_by_index [2021-12-28 04:02:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_net_device [2021-12-28 04:02:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_net_device [2021-12-28 04:02:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:02:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_interface [2021-12-28 04:02:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_interface [2021-12-28 04:02:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:02:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure handle_usb_error [2021-12-28 04:02:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_usb_error [2021-12-28 04:02:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_start_xmit [2021-12-28 04:02:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_start_xmit [2021-12-28 04:02:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:02:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:02:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure hso_disconnect [2021-12-28 04:02:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_disconnect [2021-12-28 04:02:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmset [2021-12-28 04:02:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmset [2021-12-28 04:02:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_create [2021-12-28 04:02:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_create [2021-12-28 04:02:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:02:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:02:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:02:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:02:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:02:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:02:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure hso_log_port [2021-12-28 04:02:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_log_port [2021-12-28 04:02:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_tasklet [2021-12-28 04:02:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_tasklet [2021-12-28 04:02:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 04:02:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 04:02:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:02:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:02:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 04:02:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 04:02:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:02:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:02:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_tiomget [2021-12-28 04:02:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_tiomget [2021-12-28 04:02:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:02:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:02:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:02:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:02:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:02:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:02:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:02:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:02:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_open [2021-12-28 04:02:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_open [2021-12-28 04:02:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2021-12-28 04:02:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2021-12-28 04:02:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:02:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:02:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_net_device [2021-12-28 04:02:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_net_device [2021-12-28 04:02:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:02:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_serial_device [2021-12-28 04:02:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_serial_device [2021-12-28 04:02:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-28 04:02:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-28 04:02:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:02:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:02:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-28 04:02:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-28 04:02:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-28 04:02:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-28 04:02:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:02:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:02:45,709 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:02:45,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:02:46,046 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:02:55,833 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:02:55,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:02:55,850 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:02:55,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:55 BoogieIcfgContainer [2021-12-28 04:02:55,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:02:55,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:02:55,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:02:55,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:02:55,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:02:41" (1/3) ... [2021-12-28 04:02:55,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf1b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:55, skipping insertion in model container [2021-12-28 04:02:55,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:44" (2/3) ... [2021-12-28 04:02:55,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edf1b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:55, skipping insertion in model container [2021-12-28 04:02:55,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:55" (3/3) ... [2021-12-28 04:02:55,860 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 [2021-12-28 04:02:55,864 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:02:55,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:02:55,916 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:02:55,923 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 [2021-12-28 04:02:55,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:02:55,978 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) [2021-12-28 04:02:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-28 04:02:55,993 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:55,994 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] [2021-12-28 04:02:55,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:56,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1741087448, now seen corresponding path program 1 times [2021-12-28 04:02:56,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:56,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370052443] [2021-12-28 04:02:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:56,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:02:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:02:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:02:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:02:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:02:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:02:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:02:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:02:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-28 04:02:56,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:56,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370052443] [2021-12-28 04:02:56,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370052443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:56,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:56,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:02:56,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597573004] [2021-12-28 04:02:56,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:56,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:02:56,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:56,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:02:56,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:02:56,935 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) [2021-12-28 04:02:59,956 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 [] [2021-12-28 04:03:02,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:04,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:12,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:17,924 INFO L93 Difference]: Finished difference Result 6487 states and 9635 transitions. [2021-12-28 04:03:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:03:17,927 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 [2021-12-28 04:03:17,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:17,969 INFO L225 Difference]: With dead ends: 6487 [2021-12-28 04:03:17,970 INFO L226 Difference]: Without dead ends: 4364 [2021-12-28 04:03:17,987 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 [2021-12-28 04:03:17,990 INFO L933 BasicCegarLoop]: 3120 mSDtfsCounter, 5223 mSDsluCounter, 4227 mSDsCounter, 0 mSdLazyCounter, 4091 mSolverCounterSat, 2671 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5491 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 6765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2671 IncrementalHoareTripleChecker+Valid, 4091 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:17,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5491 Valid, 7347 Invalid, 6765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2671 Valid, 4091 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2021-12-28 04:03:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2021-12-28 04:03:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3668. [2021-12-28 04:03:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3668 states, 2637 states have (on average 1.3704967766401213) internal successors, (3614), 2690 states have internal predecessors, (3614), 816 states have call successors, (816), 213 states have call predecessors, (816), 214 states have return successors, (821), 806 states have call predecessors, (821), 815 states have call successors, (821) [2021-12-28 04:03:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 5251 transitions. [2021-12-28 04:03:18,358 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 5251 transitions. Word has length 94 [2021-12-28 04:03:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:18,360 INFO L470 AbstractCegarLoop]: Abstraction has 3668 states and 5251 transitions. [2021-12-28 04:03:18,362 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) [2021-12-28 04:03:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 5251 transitions. [2021-12-28 04:03:18,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-28 04:03:18,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:18,378 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] [2021-12-28 04:03:18,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:03:18,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:18,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:18,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1245622107, now seen corresponding path program 1 times [2021-12-28 04:03:18,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:18,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293738194] [2021-12-28 04:03:18,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:18,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:03:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:03:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:03:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:03:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:03:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:03:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:03:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:03:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:03:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:03:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:03:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:03:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:03:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:03:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:03:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-28 04:03:18,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:18,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293738194] [2021-12-28 04:03:18,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293738194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:18,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:18,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:03:18,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306315810] [2021-12-28 04:03:18,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:18,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:03:18,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:03:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:03:18,828 INFO L87 Difference]: Start difference. First operand 3668 states and 5251 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) [2021-12-28 04:03:21,641 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 [] [2021-12-28 04:03:24,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:26,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:36,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:38,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []