./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--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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--usb--class--cdc-acm.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 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:09:40,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:09:40,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:09:40,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:09:40,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:09:40,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:09:40,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:09:40,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:09:40,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:09:40,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:09:40,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:09:40,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:09:40,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:09:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:09:40,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:09:40,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:09:40,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:09:40,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:09:40,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:09:40,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:09:40,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:09:40,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:09:40,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:09:40,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:09:40,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:09:40,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:09:40,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:09:40,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:09:40,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:09:40,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:09:40,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:09:40,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:09:40,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:09:40,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:09:40,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:09:40,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:09:40,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:09:40,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:09:40,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:09:40,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:09:40,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:09:40,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:09:41,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:09:41,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:09:41,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:09:41,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:09:41,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:09:41,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:09:41,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:09:41,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:09:41,011 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:09:41,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:09:41,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:09:41,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:09:41,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:09:41,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:09:41,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:09:41,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:09:41,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:09:41,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:09:41,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:09:41,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:09:41,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:09:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:09:41,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:09:41,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:09:41,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:09:41,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:09:41,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2021-12-15 13:09:41,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:09:41,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:09:41,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:09:41,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:09:41,257 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:09:41,258 INFO L432 ainManager$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--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-12-15 13:09:41,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e491f7c8/cc6cee9186f3408b8fe1d4e718ac568c/FLAGf784c5424 [2021-12-15 13:09:41,868 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:09:41,868 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--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-12-15 13:09:41,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e491f7c8/cc6cee9186f3408b8fe1d4e718ac568c/FLAGf784c5424 [2021-12-15 13:09:42,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e491f7c8/cc6cee9186f3408b8fe1d4e718ac568c [2021-12-15 13:09:42,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:09:42,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:09:42,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:09:42,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:09:42,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:09:42,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:42" (1/1) ... [2021-12-15 13:09:42,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9d1b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:42, skipping insertion in model container [2021-12-15 13:09:42,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:42" (1/1) ... [2021-12-15 13:09:42,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:09:42,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:09:42,851 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-12-15 13:09:42,852 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-12-15 13:09:43,208 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--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-12-15 13:09:43,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:09:43,977 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:09:44,068 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-12-15 13:09:44,070 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-12-15 13:09:44,098 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--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-12-15 13:09:44,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:09:44,394 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:09:44,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44 WrapperNode [2021-12-15 13:09:44,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:09:44,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:09:44,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:09:44,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:09:44,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,632 INFO L137 Inliner]: procedures = 264, calls = 3505, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6309 [2021-12-15 13:09:44,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:09:44,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:09:44,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:09:44,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:09:44,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:09:44,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:09:44,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:09:44,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:09:44,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:44" (1/1) ... [2021-12-15 13:09:44,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:09:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:09:44,896 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) [2021-12-15 13:09:44,939 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 [2021-12-15 13:09:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-12-15 13:09:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-12-15 13:09:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-12-15 13:09:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 13:09:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:09:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:09:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:09:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:09:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:09:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:09:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:09:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-12-15 13:09:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-12-15 13:09:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:09:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:09:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:09:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:09:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:09:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:09:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-15 13:09:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-15 13:09:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:09:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:09:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-12-15 13:09:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-12-15 13:09:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:09:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:09:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 13:09:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 13:09:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:09:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:09:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-15 13:09:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-15 13:09:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:09:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:09:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:09:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:09:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:09:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:09:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:09:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:09:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-12-15 13:09:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-12-15 13:09:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-12-15 13:09:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-12-15 13:09:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-12-15 13:09:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-12-15 13:09:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:09:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:09:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:09:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:09:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-12-15 13:09:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-12-15 13:09:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:09:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:09:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:09:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-12-15 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-12-15 13:09:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-15 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-15 13:09:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:09:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:09:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:09:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:09:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:09:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 13:09:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-12-15 13:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-12-15 13:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 13:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 13:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-12-15 13:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-12-15 13:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-12-15 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-12-15 13:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 13:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-12-15 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-12-15 13:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-12-15 13:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-12-15 13:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-15 13:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-15 13:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-12-15 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-12-15 13:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-12-15 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-12-15 13:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-12-15 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-12-15 13:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-12-15 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-12-15 13:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 13:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-12-15 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-12-15 13:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-12-15 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-12-15 13:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-12-15 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-12-15 13:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-15 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-12-15 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-12-15 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-12-15 13:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-12-15 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-12-15 13:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-12-15 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-12-15 13:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-12-15 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-12-15 13:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-12-15 13:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-12-15 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-12-15 13:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-12-15 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-15 13:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-15 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:09:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:09:45,455 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:09:45,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:09:45,649 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:09:45,653 INFO L158 Benchmark]: Toolchain (without parser) took 3541.53ms. Allocated memory was 113.2MB in the beginning and 302.0MB in the end (delta: 188.7MB). Free memory was 70.4MB in the beginning and 162.0MB in the end (delta: -91.7MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2021-12-15 13:09:45,653 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 33.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:09:45,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2274.21ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 70.1MB in the beginning and 58.5MB in the end (delta: 11.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2021-12-15 13:09:45,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 237.14ms. Allocated memory is still 159.4MB. Free memory was 58.5MB in the beginning and 67.2MB in the end (delta: -8.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-15 13:09:45,655 INFO L158 Benchmark]: Boogie Preprocessor took 219.36ms. Allocated memory was 159.4MB in the beginning and 302.0MB in the end (delta: 142.6MB). Free memory was 67.2MB in the beginning and 204.8MB in the end (delta: -137.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2021-12-15 13:09:45,655 INFO L158 Benchmark]: RCFGBuilder took 798.15ms. Allocated memory is still 302.0MB. Free memory was 204.8MB in the beginning and 162.0MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-15 13:09:45,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 33.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2274.21ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 70.1MB in the beginning and 58.5MB in the end (delta: 11.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 237.14ms. Allocated memory is still 159.4MB. Free memory was 58.5MB in the beginning and 67.2MB in the end (delta: -8.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.36ms. Allocated memory was 159.4MB in the beginning and 302.0MB in the end (delta: 142.6MB). Free memory was 67.2MB in the beginning and 204.8MB in the end (delta: -137.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * RCFGBuilder took 798.15ms. Allocated memory is still 302.0MB. Free memory was 204.8MB in the beginning and 162.0MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:09:45,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:09:47,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:09:47,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:09:47,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:09:47,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:09:47,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:09:47,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:09:47,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:09:47,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:09:47,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:09:47,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:09:47,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:09:47,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:09:47,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:09:47,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:09:47,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:09:47,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:09:47,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:09:47,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:09:47,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:09:47,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:09:47,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:09:47,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:09:47,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:09:47,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:09:47,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:09:47,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:09:47,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:09:47,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:09:47,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:09:47,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:09:47,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:09:47,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:09:47,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:09:47,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:09:47,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:09:47,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:09:47,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:09:47,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:09:47,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:09:47,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:09:47,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:09:47,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:09:47,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:09:47,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:09:47,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:09:47,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:09:47,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:09:47,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:09:47,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:09:47,613 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:09:47,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:09:47,614 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:09:47,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:09:47,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:09:47,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:09:47,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:09:47,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:09:47,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:09:47,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:09:47,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:09:47,617 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:09:47,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:09:47,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:09:47,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:09:47,617 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2021-12-15 13:09:47,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:09:47,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:09:47,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:09:47,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:09:47,937 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:09:47,938 INFO L432 ainManager$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--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-12-15 13:09:47,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12a7b6d7/ba3df7569d4c44a6afa320b8ee37a98a/FLAG839c2dcb3 [2021-12-15 13:09:48,596 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:09:48,597 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--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-12-15 13:09:48,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12a7b6d7/ba3df7569d4c44a6afa320b8ee37a98a/FLAG839c2dcb3 [2021-12-15 13:09:48,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12a7b6d7/ba3df7569d4c44a6afa320b8ee37a98a [2021-12-15 13:09:48,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:09:48,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:09:48,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:09:48,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:09:48,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:09:48,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:48" (1/1) ... [2021-12-15 13:09:48,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba30758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:48, skipping insertion in model container [2021-12-15 13:09:48,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:09:48" (1/1) ... [2021-12-15 13:09:49,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:09:49,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:09:49,781 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-12-15 13:09:49,782 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-12-15 13:09:50,106 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--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-12-15 13:09:50,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:09:50,804 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:09:50,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:09:50,910 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-12-15 13:09:50,911 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-12-15 13:09:50,924 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--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-12-15 13:09:51,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:09:51,152 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:09:51,217 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2021-12-15 13:09:51,218 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2021-12-15 13:09:51,252 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--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2021-12-15 13:09:51,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:09:51,528 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:09:51,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51 WrapperNode [2021-12-15 13:09:51,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:09:51,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:09:51,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:09:51,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:09:51,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:51,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:51,772 INFO L137 Inliner]: procedures = 279, calls = 3505, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6167 [2021-12-15 13:09:51,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:09:51,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:09:51,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:09:51,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:09:51,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:51,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:51,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:51,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:52,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:52,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:52,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:52,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:09:52,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:09:52,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:09:52,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:09:52,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:09:51" (1/1) ... [2021-12-15 13:09:52,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:09:52,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:09:52,133 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) [2021-12-15 13:09:52,153 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 [2021-12-15 13:09:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-12-15 13:09:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-12-15 13:09:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-12-15 13:09:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-12-15 13:09:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:09:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 13:09:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:09:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:09:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:09:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:09:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:09:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:09:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:09:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 13:09:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 13:09:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-12-15 13:09:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-12-15 13:09:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:09:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:09:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:09:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:09:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:09:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:09:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-15 13:09:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-15 13:09:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:09:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:09:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-12-15 13:09:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-12-15 13:09:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:09:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:09:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 13:09:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 13:09:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:09:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:09:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-15 13:09:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-15 13:09:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:09:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:09:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:09:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:09:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:09:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:09:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:09:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:09:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-12-15 13:09:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-12-15 13:09:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-12-15 13:09:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-12-15 13:09:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-12-15 13:09:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-12-15 13:09:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:09:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:09:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:09:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:09:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-12-15 13:09:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-12-15 13:09:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:09:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:09:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:09:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-12-15 13:09:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-12-15 13:09:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-15 13:09:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-15 13:09:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-15 13:09:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-15 13:09:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:09:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:09:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:09:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:09:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:09:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:09:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:09:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:09:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:09:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:09:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:09:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:09:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:09:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:09:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 13:09:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 13:09:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:09:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:09:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-12-15 13:09:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-12-15 13:09:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 13:09:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 13:09:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-12-15 13:09:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-12-15 13:09:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-12-15 13:09:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-12-15 13:09:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 13:09:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 13:09:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:09:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:09:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:09:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:09:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-12-15 13:09:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-12-15 13:09:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:09:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:09:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:09:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:09:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-12-15 13:09:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-12-15 13:09:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-15 13:09:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-15 13:09:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:09:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:09:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:09:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:09:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-12-15 13:09:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-12-15 13:09:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-12-15 13:09:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-12-15 13:09:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:09:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:09:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:09:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:09:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:09:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:09:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-12-15 13:09:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-12-15 13:09:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-12-15 13:09:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-12-15 13:09:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 13:09:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 13:09:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:09:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:09:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:09:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:09:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-12-15 13:09:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-12-15 13:09:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-12-15 13:09:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-12-15 13:09:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:09:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:09:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:09:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-15 13:09:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-12-15 13:09:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:09:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:09:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:09:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:09:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:09:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:09:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-12-15 13:09:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-12-15 13:09:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:09:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:09:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:09:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:09:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-12-15 13:09:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-12-15 13:09:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-12-15 13:09:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-12-15 13:09:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-12-15 13:09:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-12-15 13:09:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-12-15 13:09:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-12-15 13:09:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:09:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:09:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:09:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:09:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:09:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:09:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:09:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:09:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:09:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-12-15 13:09:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-12-15 13:09:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:09:52,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:09:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-15 13:09:52,205 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-15 13:09:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:09:52,205 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:09:52,826 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:09:52,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:09:53,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:09:53,291 INFO L158 Benchmark]: Toolchain (without parser) took 4322.10ms. Allocated memory was 56.6MB in the beginning and 283.1MB in the end (delta: 226.5MB). Free memory was 36.7MB in the beginning and 142.0MB in the end (delta: -105.2MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2021-12-15 13:09:53,291 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:09:53,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2551.37ms. Allocated memory was 56.6MB in the beginning and 283.1MB in the end (delta: 226.5MB). Free memory was 36.6MB in the beginning and 200.8MB in the end (delta: -164.3MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2021-12-15 13:09:53,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.45ms. Allocated memory is still 283.1MB. Free memory was 200.8MB in the beginning and 165.2MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-15 13:09:53,292 INFO L158 Benchmark]: Boogie Preprocessor took 318.58ms. Allocated memory is still 283.1MB. Free memory was 165.2MB in the beginning and 188.1MB in the end (delta: -22.9MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2021-12-15 13:09:53,292 INFO L158 Benchmark]: RCFGBuilder took 1196.63ms. Allocated memory is still 283.1MB. Free memory was 188.1MB in the beginning and 142.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-12-15 13:09:53,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2551.37ms. Allocated memory was 56.6MB in the beginning and 283.1MB in the end (delta: 226.5MB). Free memory was 36.6MB in the beginning and 200.8MB in the end (delta: -164.3MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.45ms. Allocated memory is still 283.1MB. Free memory was 200.8MB in the beginning and 165.2MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 318.58ms. Allocated memory is still 283.1MB. Free memory was 165.2MB in the beginning and 188.1MB in the end (delta: -22.9MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.63ms. Allocated memory is still 283.1MB. Free memory was 188.1MB in the beginning and 142.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:09:53,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable