./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 e19ca921 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-e19ca92 [2021-12-22 14:44:36,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:44:36,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:44:36,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:44:36,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:44:36,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:44:36,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:44:36,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:44:36,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:44:36,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:44:36,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:44:36,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:44:36,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:44:36,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:44:36,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:44:36,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:44:36,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:44:36,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:44:36,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:44:36,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:44:36,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:44:36,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:44:36,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:44:36,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:44:36,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:44:36,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:44:36,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:44:36,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:44:36,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:44:36,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:44:36,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:44:36,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:44:36,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:44:36,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:44:36,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:44:36,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:44:36,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:44:36,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:44:36,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:44:36,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:44:36,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:44:36,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:44:36,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:44:36,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:44:36,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:44:36,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:44:36,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:44:36,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:44:36,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:44:36,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:44:36,748 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:44:36,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:44:36,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:44:36,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:44:36,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:44:36,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:44:36,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:44:36,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:44:36,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:44:36,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:44:36,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:44:36,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:44:36,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:44:36,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:44:36,753 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:44:36,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:44:36,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:44:36,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:44:36,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaa391796caf9ffd02d820d63142c08953b50843acf6dbe45cefeca4ae26da3b [2021-12-22 14:44:36,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:44:36,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:44:36,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:44:36,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:44:36,974 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:44:36,975 INFO L432 ainManager$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 [2021-12-22 14:44:37,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc2e21a9/683b5a903e0441609fc6e260da5f38e5/FLAG768093569 [2021-12-22 14:44:37,619 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:44:37,619 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 [2021-12-22 14:44:37,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc2e21a9/683b5a903e0441609fc6e260da5f38e5/FLAG768093569 [2021-12-22 14:44:37,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc2e21a9/683b5a903e0441609fc6e260da5f38e5 [2021-12-22 14:44:37,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:44:37,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:44:37,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:44:37,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:44:37,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:44:37,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:44:37" (1/1) ... [2021-12-22 14:44:37,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c73b077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:37, skipping insertion in model container [2021-12-22 14:44:37,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:44:37" (1/1) ... [2021-12-22 14:44:37,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:44:37,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:44:38,248 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-22 14:44:38,248 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] [2021-12-22 14:44:38,566 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] [2021-12-22 14:44:39,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:44:39,306 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:44:39,416 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2021-12-22 14:44:39,417 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] [2021-12-22 14:44:39,424 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] [2021-12-22 14:44:39,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:44:39,806 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:44:39,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39 WrapperNode [2021-12-22 14:44:39,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:44:39,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:44:39,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:44:39,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:44:39,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:39,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,102 INFO L137 Inliner]: procedures = 324, calls = 3021, calls flagged for inlining = 155, calls inlined = 152, statements flattened = 6280 [2021-12-22 14:44:40,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:44:40,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:44:40,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:44:40,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:44:40,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:44:40,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:44:40,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:44:40,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:44:40,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (1/1) ... [2021-12-22 14:44:40,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:44:40,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:44:40,373 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) [2021-12-22 14:44:40,427 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 [2021-12-22 14:44:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-22 14:44:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-22 14:44:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-22 14:44:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-22 14:44:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_serial_device [2021-12-22 14:44:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_serial_device [2021-12-22 14:44:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 14:44:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:44:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:44:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:44:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:44:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2021-12-22 14:44:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2021-12-22 14:44:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure mux_device_request [2021-12-22 14:44:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mux_device_request [2021-12-22 14:44:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle [2021-12-22 14:44:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle [2021-12-22 14:44:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_ep [2021-12-22 14:44:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_ep [2021-12-22 14:44:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 14:44:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 14:44:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:44:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:44:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:44:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:44:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:44:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:44:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure hso_kick_transmit [2021-12-22 14:44:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_kick_transmit [2021-12-22 14:44:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_activity [2021-12-22 14:44:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_activity [2021-12-22 14:44:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure fix_crc_bug [2021-12-22 14:44:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_crc_bug [2021-12-22 14:44:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-22 14:44:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-22 14:44:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_set_termios [2021-12-22 14:44:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_set_termios [2021-12-22 14:44:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:44:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:44:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-22 14:44:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-22 14:44:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:44:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:44:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure dev2ser [2021-12-22 14:44:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2ser [2021-12-22 14:44:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:44:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:44:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:44:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:44:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:44:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:44:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:44:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:44:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:44:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:44:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2021-12-22 14:44:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2021-12-22 14:44:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_net_device [2021-12-22 14:44:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_net_device [2021-12-22 14:44:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 14:44:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 14:44:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:44:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:44:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:44:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:44:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data [2021-12-22 14:44:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data [2021-12-22 14:44:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmget [2021-12-22 14:44:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmget [2021-12-22 14:44:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_net_device [2021-12-22 14:44:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_net_device [2021-12-22 14:44:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:44:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 14:44:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:44:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:44:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:44:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:44:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_read [2021-12-22 14:44:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_read [2021-12-22 14:44:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_free [2021-12-22 14:44:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_free [2021-12-22 14:44:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:44:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-22 14:44:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-22 14:44:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:44:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_count [2021-12-22 14:44:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_count [2021-12-22 14:44:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_submit_urb [2021-12-22 14:44:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_submit_urb [2021-12-22 14:44:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 14:44:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 14:44:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-22 14:44:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-22 14:44:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:44:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:44:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:44:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:44:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_close [2021-12-22 14:44:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_close [2021-12-22 14:44:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:44:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:44:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-22 14:44:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-22 14:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:44:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:44:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:44:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:44:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:44:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:44:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure _hso_serial_set_termios [2021-12-22 14:44:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure _hso_serial_set_termios [2021-12-22 14:44:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 14:44:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 14:44:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:44:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:44:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:44:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resume [2021-12-22 14:44:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resume [2021-12-22 14:44:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-22 14:44:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_bulk_urb [2021-12-22 14:44:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:44:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:44:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure hso_put_activity [2021-12-22 14:44:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_put_activity [2021-12-22 14:44:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:44:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2021-12-22 14:44:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2021-12-22 14:44:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_submit_intr_urb [2021-12-22 14:44:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_submit_intr_urb [2021-12-22 14:44:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2021-12-22 14:44:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2021-12-22 14:44:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-22 14:44:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-22 14:44:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_to_port [2021-12-22 14:44:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_to_port [2021-12-22 14:44:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:44:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_chars_in_buffer [2021-12-22 14:44:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_chars_in_buffer [2021-12-22 14:44:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev2net [2021-12-22 14:44:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2net [2021-12-22 14:44:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-22 14:44:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-22 14:44:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:44:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:44:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:44:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:44:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ioctl [2021-12-22 14:44:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ioctl [2021-12-22 14:44:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:44:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:44:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:44:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:44:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:44:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:44:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_device [2021-12-22 14:44:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_device [2021-12-22 14:44:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-22 14:44:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-22 14:44:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:44:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:44:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write_room [2021-12-22 14:44:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write_room [2021-12-22 14:44:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-22 14:44:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-22 14:44:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:44:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_tx_timeout [2021-12-22 14:44:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_tx_timeout [2021-12-22 14:44:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure hso_urb_to_index [2021-12-22 14:44:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_urb_to_index [2021-12-22 14:44:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 14:44:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 14:44:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 14:44:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 14:44:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:44:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:44:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_by_index [2021-12-22 14:44:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_by_index [2021-12-22 14:44:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_net_device [2021-12-22 14:44:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_net_device [2021-12-22 14:44:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:44:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_interface [2021-12-22 14:44:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_interface [2021-12-22 14:44:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:44:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure handle_usb_error [2021-12-22 14:44:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_usb_error [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_start_xmit [2021-12-22 14:44:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_start_xmit [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure hso_disconnect [2021-12-22 14:44:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_disconnect [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmset [2021-12-22 14:44:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmset [2021-12-22 14:44:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_create [2021-12-22 14:44:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_create [2021-12-22 14:44:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:44:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:44:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 14:44:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 14:44:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:44:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:44:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure hso_log_port [2021-12-22 14:44:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_log_port [2021-12-22 14:44:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_tasklet [2021-12-22 14:44:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_tasklet [2021-12-22 14:44:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:44:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:44:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:44:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:44:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 14:44:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 14:44:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:44:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:44:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_tiomget [2021-12-22 14:44:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_tiomget [2021-12-22 14:44:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:44:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:44:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:44:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:44:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 14:44:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 14:44:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:44:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_open [2021-12-22 14:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_open [2021-12-22 14:44:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2021-12-22 14:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2021-12-22 14:44:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:44:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_net_device [2021-12-22 14:44:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_net_device [2021-12-22 14:44:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:44:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_serial_device [2021-12-22 14:44:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_serial_device [2021-12-22 14:44:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-22 14:44:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-22 14:44:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:44:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:44:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-22 14:44:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-22 14:44:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-22 14:44:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2021-12-22 14:44:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:44:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:44:41,298 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:44:41,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:44:41,537 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:44:50,049 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:44:50,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:44:50,066 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:44:50,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:50 BoogieIcfgContainer [2021-12-22 14:44:50,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:44:50,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:44:50,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:44:50,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:44:50,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:44:37" (1/3) ... [2021-12-22 14:44:50,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a247dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:50, skipping insertion in model container [2021-12-22 14:44:50,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:39" (2/3) ... [2021-12-22 14:44:50,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a247dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:50, skipping insertion in model container [2021-12-22 14:44:50,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:50" (3/3) ... [2021-12-22 14:44:50,075 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 [2021-12-22 14:44:50,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:44:50,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:44:50,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:44:50,118 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 [2021-12-22 14:44:50,119 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:44:50,174 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) [2021-12-22 14:44:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-22 14:44:50,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:50,186 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] [2021-12-22 14:44:50,187 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1741087448, now seen corresponding path program 1 times [2021-12-22 14:44:50,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:50,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301042823] [2021-12-22 14:44:50,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:50,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:44:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:44:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:44:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:44:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:44:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 14:44:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 14:44:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-22 14:44:50,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301042823] [2021-12-22 14:44:50,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301042823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:50,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:50,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:44:50,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556329304] [2021-12-22 14:44:50,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:50,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:44:50,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:44:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:44:50,933 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) [2021-12-22 14:44:53,722 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 [] [2021-12-22 14:44:56,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:44:58,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:04,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:11,563 INFO L93 Difference]: Finished difference Result 6487 states and 9635 transitions. [2021-12-22 14:45:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:45:11,566 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 [2021-12-22 14:45:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:11,650 INFO L225 Difference]: With dead ends: 6487 [2021-12-22 14:45:11,664 INFO L226 Difference]: Without dead ends: 4364 [2021-12-22 14:45:11,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:45:11,687 INFO L933 BasicCegarLoop]: 3123 mSDtfsCounter, 5223 mSDsluCounter, 4615 mSDsCounter, 0 mSdLazyCounter, 3713 mSolverCounterSat, 2671 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 6387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2671 IncrementalHoareTripleChecker+Valid, 3713 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:11,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5492 Valid, 7738 Invalid, 6387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2671 Valid, 3713 Invalid, 3 Unknown, 0 Unchecked, 20.1s Time] [2021-12-22 14:45:11,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2021-12-22 14:45:11,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3668. [2021-12-22 14:45:11,922 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) [2021-12-22 14:45:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 5251 transitions. [2021-12-22 14:45:11,945 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 5251 transitions. Word has length 94 [2021-12-22 14:45:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:11,947 INFO L470 AbstractCegarLoop]: Abstraction has 3668 states and 5251 transitions. [2021-12-22 14:45:11,948 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) [2021-12-22 14:45:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 5251 transitions. [2021-12-22 14:45:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-22 14:45:11,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:11,959 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] [2021-12-22 14:45:11,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:45:11,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1245622107, now seen corresponding path program 1 times [2021-12-22 14:45:11,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:11,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965927529] [2021-12-22 14:45:11,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:11,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:45:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:45:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:45:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:45:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:45:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:45:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:45:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 14:45:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 14:45:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-22 14:45:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 14:45:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 14:45:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 14:45:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 14:45:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 14:45:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-22 14:45:12,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:12,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965927529] [2021-12-22 14:45:12,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965927529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:12,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:12,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:45:12,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303575862] [2021-12-22 14:45:12,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:12,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:45:12,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:45:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:45:12,383 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) [2021-12-22 14:45:14,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:16,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:18,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:20,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:23,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:25,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:34,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:36,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:38,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:40,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:42,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:44,685 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 []