./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.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 cb8f0ebb3c2471fcffc912ab6e7b9ec5c4e0cbee8604050053df01c587aed5a7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:43,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:43,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:43,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:43,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:43,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:43,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:43,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:43,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:43,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:43,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:43,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:43,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:43,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:43,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:43,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:43,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:43,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:43,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:43,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:43,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:43,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:43,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:43,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:43,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:43,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:43,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:43,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:43,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:43,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:43,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:43,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:43,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:43,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:43,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:43,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:43,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:43,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:43,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:43,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:43,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:43,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:56:43,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:43,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:43,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:43,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:43,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:43,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:43,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:43,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:43,400 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:43,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:43,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:56:43,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:43,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:43,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:43,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:43,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:43,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:43,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:43,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:43,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:43,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:43,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:43,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:43,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:43,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:43,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:43,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8f0ebb3c2471fcffc912ab6e7b9ec5c4e0cbee8604050053df01c587aed5a7 [2021-12-15 12:56:43,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:43,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:43,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:43,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:43,610 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:43,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i [2021-12-15 12:56:43,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbce5324/978411aab0334d59b4bddd2e1cbfb186/FLAGf5592aed2 [2021-12-15 12:56:44,307 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:44,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i [2021-12-15 12:56:44,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbce5324/978411aab0334d59b4bddd2e1cbfb186/FLAGf5592aed2 [2021-12-15 12:56:44,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbce5324/978411aab0334d59b4bddd2e1cbfb186 [2021-12-15 12:56:44,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:44,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:44,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:44,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:44,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:44,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:44" (1/1) ... [2021-12-15 12:56:44,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781321f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:44, skipping insertion in model container [2021-12-15 12:56:44,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:44" (1/1) ... [2021-12-15 12:56:44,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:44,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:45,847 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i[158757,158770] [2021-12-15 12:56:45,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:45,927 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:46,140 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i[158757,158770] [2021-12-15 12:56:46,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:46,207 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:46,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46 WrapperNode [2021-12-15 12:56:46,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:46,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:46,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:46,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:46,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,418 INFO L137 Inliner]: procedures = 191, calls = 1267, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 3340 [2021-12-15 12:56:46,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:46,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:46,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:46,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:46,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:46,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:46,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:46,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:46,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:46" (1/1) ... [2021-12-15 12:56:46,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:46,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:46,660 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 12:56:46,703 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 12:56:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2021-12-15 12:56:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2021-12-15 12:56:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 12:56:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 12:56:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:56:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:56:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:56:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:56:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:56:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:56:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2021-12-15 12:56:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2021-12-15 12:56:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2021-12-15 12:56:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2021-12-15 12:56:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:56:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:56:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2021-12-15 12:56:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2021-12-15 12:56:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2021-12-15 12:56:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2021-12-15 12:56:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:56:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:56:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2021-12-15 12:56:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2021-12-15 12:56:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-12-15 12:56:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-12-15 12:56:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2021-12-15 12:56:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2021-12-15 12:56:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-15 12:56:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-15 12:56:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2021-12-15 12:56:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2021-12-15 12:56:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2021-12-15 12:56:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2021-12-15 12:56:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 12:56:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 12:56:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:56:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:56:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:56:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2021-12-15 12:56:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2021-12-15 12:56:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2021-12-15 12:56:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2021-12-15 12:56:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2021-12-15 12:56:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2021-12-15 12:56:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:56:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:56:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:56:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:56:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2021-12-15 12:56:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2021-12-15 12:56:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-15 12:56:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2021-12-15 12:56:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2021-12-15 12:56:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-12-15 12:56:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:56:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:56:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2021-12-15 12:56:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2021-12-15 12:56:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 12:56:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 12:56:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-15 12:56:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-15 12:56:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2021-12-15 12:56:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2021-12-15 12:56:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:56:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:56:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:56:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-12-15 12:56:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-12-15 12:56:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2021-12-15 12:56:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2021-12-15 12:56:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-15 12:56:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-15 12:56:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2021-12-15 12:56:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2021-12-15 12:56:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2021-12-15 12:56:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2021-12-15 12:56:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:56:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:56:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 12:56:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 12:56:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 12:56:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 12:56:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:56:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:56:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:56:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:56:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 12:56:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 12:56:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2021-12-15 12:56:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2021-12-15 12:56:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2021-12-15 12:56:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2021-12-15 12:56:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:56:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:56:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:56:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:56:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:56:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:56:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2021-12-15 12:56:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2021-12-15 12:56:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 12:56:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 12:56:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-15 12:56:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-15 12:56:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:56:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:56:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:56:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:56:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2021-12-15 12:56:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2021-12-15 12:56:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2021-12-15 12:56:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2021-12-15 12:56:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:56:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:56:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:56:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:56:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2021-12-15 12:56:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2021-12-15 12:56:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:56:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:56:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2021-12-15 12:56:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2021-12-15 12:56:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:56:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:56:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:56:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:56:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:56:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:56:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:56:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:56:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:56:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:56:47,353 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:47,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:48,049 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:56:48,054 INFO L158 Benchmark]: Toolchain (without parser) took 3570.96ms. Allocated memory was 102.8MB in the beginning and 167.8MB in the end (delta: 65.0MB). Free memory was 66.3MB in the beginning and 74.8MB in the end (delta: -8.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2021-12-15 12:56:48,054 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:48,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1727.27ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 66.3MB in the beginning and 61.5MB in the end (delta: 4.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-12-15 12:56:48,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.00ms. Allocated memory is still 123.7MB. Free memory was 61.5MB in the beginning and 67.6MB in the end (delta: -6.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:48,056 INFO L158 Benchmark]: Boogie Preprocessor took 200.72ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 46.4MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:48,057 INFO L158 Benchmark]: RCFGBuilder took 1431.29ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 46.4MB in the beginning and 74.8MB in the end (delta: -28.4MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-12-15 12:56:48,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1727.27ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 66.3MB in the beginning and 61.5MB in the end (delta: 4.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.00ms. Allocated memory is still 123.7MB. Free memory was 61.5MB in the beginning and 67.6MB in the end (delta: -6.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.72ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 46.4MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1431.29ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 46.4MB in the beginning and 74.8MB in the end (delta: -28.4MB). Peak memory consumption was 30.3MB. 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 12:56:48,111 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.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 cb8f0ebb3c2471fcffc912ab6e7b9ec5c4e0cbee8604050053df01c587aed5a7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:50,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:50,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:50,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:50,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:50,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:50,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:50,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:50,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:50,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:50,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:50,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:50,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:50,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:50,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:50,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:50,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:50,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:50,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:50,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:50,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:50,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:50,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:50,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:50,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:50,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:50,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:50,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:50,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:50,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:50,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:50,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:50,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:50,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:50,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:50,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:50,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:50,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:50,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:50,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:50,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:50,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:56:50,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:50,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:50,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:50,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:50,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:50,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:50,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:50,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:50,294 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:50,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:50,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:50,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:50,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:50,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:50,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:56:50,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:56:50,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:56:50,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:50,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:50,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:50,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:50,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:50,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:50,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:50,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:50,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:50,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:50,299 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:56:50,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:56:50,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:50,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:50,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:50,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:50,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:56:50,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8f0ebb3c2471fcffc912ab6e7b9ec5c4e0cbee8604050053df01c587aed5a7 [2021-12-15 12:56:50,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:50,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:50,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:50,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:50,668 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:50,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i [2021-12-15 12:56:50,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263c041c/a7ee9d3264bb436db66ec68960697c0e/FLAG580e31181 [2021-12-15 12:56:51,518 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:51,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i [2021-12-15 12:56:51,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263c041c/a7ee9d3264bb436db66ec68960697c0e/FLAG580e31181 [2021-12-15 12:56:51,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263c041c/a7ee9d3264bb436db66ec68960697c0e [2021-12-15 12:56:51,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:51,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:51,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:51,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:51,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:51,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:51" (1/1) ... [2021-12-15 12:56:51,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc14ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:51, skipping insertion in model container [2021-12-15 12:56:51,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:51" (1/1) ... [2021-12-15 12:56:51,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:51,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:52,807 WARN L564 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-12-15 12:56:53,118 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i[158757,158770] [2021-12-15 12:56:53,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:53,228 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:56:53,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:53,473 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i[158757,158770] [2021-12-15 12:56:53,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:53,518 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:53,709 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-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-1.i[158757,158770] [2021-12-15 12:56:53,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:53,808 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:53,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53 WrapperNode [2021-12-15 12:56:53,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:53,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:53,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:53,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:53,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:53,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,060 INFO L137 Inliner]: procedures = 207, calls = 1266, calls flagged for inlining = 86, calls inlined = 86, statements flattened = 3331 [2021-12-15 12:56:54,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:54,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:54,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:54,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:54,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:54,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:54,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:54,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:54,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:53" (1/1) ... [2021-12-15 12:56:54,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:54,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:54,353 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 12:56:54,374 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 12:56:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2021-12-15 12:56:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2021-12-15 12:56:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:56:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:56:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:56:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:56:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:56:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:56:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2021-12-15 12:56:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2021-12-15 12:56:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2021-12-15 12:56:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2021-12-15 12:56:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2021-12-15 12:56:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2021-12-15 12:56:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:56:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:56:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2021-12-15 12:56:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2021-12-15 12:56:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-12-15 12:56:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-12-15 12:56:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2021-12-15 12:56:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2021-12-15 12:56:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-15 12:56:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-15 12:56:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2021-12-15 12:56:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2021-12-15 12:56:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:56:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:56:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:56:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2021-12-15 12:56:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2021-12-15 12:56:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-15 12:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-15 12:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2021-12-15 12:56:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2021-12-15 12:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2021-12-15 12:56:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2021-12-15 12:56:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2021-12-15 12:56:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2021-12-15 12:56:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 12:56:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 12:56:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 12:56:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 12:56:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:56:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:56:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:56:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:56:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:56:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:56:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:56:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:56:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2021-12-15 12:56:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2021-12-15 12:56:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:56:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:56:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:56:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:56:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:56:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:56:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 12:56:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 12:56:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-15 12:56:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-15 12:56:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:56:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:56:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:56:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:56:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2021-12-15 12:56:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2021-12-15 12:56:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:56:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:56:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:56:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:56:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:56:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:56:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:56:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:56:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:56:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:56:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2021-12-15 12:56:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2021-12-15 12:56:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 12:56:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 12:56:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2021-12-15 12:56:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2021-12-15 12:56:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2021-12-15 12:56:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2021-12-15 12:56:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:56:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2021-12-15 12:56:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2021-12-15 12:56:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:56:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:56:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:56:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:56:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:56:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:56:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:56:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-15 12:56:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2021-12-15 12:56:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2021-12-15 12:56:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-12-15 12:56:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2021-12-15 12:56:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2021-12-15 12:56:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 12:56:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 12:56:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-12-15 12:56:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-12-15 12:56:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2021-12-15 12:56:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2021-12-15 12:56:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-15 12:56:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-15 12:56:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:56:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:56:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 12:56:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 12:56:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2021-12-15 12:56:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2021-12-15 12:56:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:56:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:56:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:56:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:56:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2021-12-15 12:56:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2021-12-15 12:56:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2021-12-15 12:56:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2021-12-15 12:56:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2021-12-15 12:56:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2021-12-15 12:56:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:56:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:56:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2021-12-15 12:56:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2021-12-15 12:56:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:56:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:56:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:56:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:56:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:56:55,085 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:55,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:01,470 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:57:01,473 INFO L158 Benchmark]: Toolchain (without parser) took 9713.13ms. Allocated memory was 60.8MB in the beginning and 226.5MB in the end (delta: 165.7MB). Free memory was 31.6MB in the beginning and 145.1MB in the end (delta: -113.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2021-12-15 12:57:01,473 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:01,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2062.19ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 31.4MB in the beginning and 45.8MB in the end (delta: -14.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:01,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 236.06ms. Allocated memory is still 96.5MB. Free memory was 45.8MB in the beginning and 31.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:57:01,475 INFO L158 Benchmark]: Boogie Preprocessor took 256.67ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 31.8MB in the beginning and 52.1MB in the end (delta: -20.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:57:01,476 INFO L158 Benchmark]: RCFGBuilder took 7151.38ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 52.1MB in the beginning and 145.1MB in the end (delta: -93.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 12:57:01,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2062.19ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 31.4MB in the beginning and 45.8MB in the end (delta: -14.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 236.06ms. Allocated memory is still 96.5MB. Free memory was 45.8MB in the beginning and 31.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 256.67ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 31.8MB in the beginning and 52.1MB in the end (delta: -20.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7151.38ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 52.1MB in the beginning and 145.1MB in the end (delta: -93.0MB). Peak memory consumption was 20.7MB. 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 12:57:01,521 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