./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.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 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:19:03,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:19:03,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:19:03,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:19:03,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:19:03,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:19:03,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:19:03,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:19:03,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:19:03,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:19:03,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:19:03,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:19:03,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:19:03,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:19:03,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:19:03,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:19:03,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:19:03,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:19:03,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:19:03,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:19:03,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:19:03,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:19:03,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:19:03,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:19:03,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:19:03,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:19:03,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:19:03,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:19:03,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:19:03,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:19:03,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:19:03,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:19:03,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:19:03,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:19:03,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:19:03,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:19:03,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:19:03,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:19:03,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:19:03,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:19:03,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:19:03,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:19:04,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:19:04,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:19:04,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:19:04,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:19:04,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:19:04,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:19:04,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:19:04,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:19:04,013 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:19:04,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:19:04,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:19:04,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:19:04,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:19:04,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:19:04,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:19:04,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:19:04,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:19:04,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:19:04,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:19:04,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:19:04,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:19:04,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:19:04,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:19:04,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:19:04,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:19:04,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:19:04,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2021-12-15 13:19:04,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:19:04,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:19:04,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:19:04,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:19:04,280 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:19:04,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2021-12-15 13:19:04,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119acd08e/6031a12eb06943d58df24cd69cce6c02/FLAG7602f589a [2021-12-15 13:19:05,136 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:19:05,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2021-12-15 13:19:05,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119acd08e/6031a12eb06943d58df24cd69cce6c02/FLAG7602f589a [2021-12-15 13:19:05,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119acd08e/6031a12eb06943d58df24cd69cce6c02 [2021-12-15 13:19:05,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:19:05,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:19:05,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:19:05,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:19:05,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:19:05,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:05" (1/1) ... [2021-12-15 13:19:05,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2826c063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:05, skipping insertion in model container [2021-12-15 13:19:05,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:05" (1/1) ... [2021-12-15 13:19:05,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:19:05,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:19:06,761 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2021-12-15 13:19:06,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:19:06,998 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:19:07,228 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2021-12-15 13:19:07,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:19:07,312 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:19:07,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07 WrapperNode [2021-12-15 13:19:07,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:19:07,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:19:07,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:19:07,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:19:07,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,523 INFO L137 Inliner]: procedures = 282, calls = 1375, calls flagged for inlining = 101, calls inlined = 84, statements flattened = 2567 [2021-12-15 13:19:07,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:19:07,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:19:07,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:19:07,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:19:07,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:19:07,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:19:07,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:19:07,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:19:07,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:07" (1/1) ... [2021-12-15 13:19:07,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:19:07,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:19:07,709 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 13:19:07,720 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 13:19:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:19:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:19:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2021-12-15 13:19:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2021-12-15 13:19:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:19:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:19:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:19:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:19:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2021-12-15 13:19:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2021-12-15 13:19:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2021-12-15 13:19:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2021-12-15 13:19:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-12-15 13:19:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-12-15 13:19:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:19:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:19:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-15 13:19:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-15 13:19:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-15 13:19:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-15 13:19:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:19:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:19:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2021-12-15 13:19:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2021-12-15 13:19:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:19:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:19:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:19:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:19:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2021-12-15 13:19:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2021-12-15 13:19:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:19:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:19:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:19:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:19:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:19:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:19:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:19:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:19:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2021-12-15 13:19:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2021-12-15 13:19:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2021-12-15 13:19:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2021-12-15 13:19:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2021-12-15 13:19:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2021-12-15 13:19:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:19:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:19:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:19:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2021-12-15 13:19:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2021-12-15 13:19:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2021-12-15 13:19:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2021-12-15 13:19:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:19:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2021-12-15 13:19:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2021-12-15 13:19:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:19:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:19:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:19:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:19:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2021-12-15 13:19:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2021-12-15 13:19:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:19:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-15 13:19:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-15 13:19:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:19:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-15 13:19:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-15 13:19:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:19:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:19:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:19:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:19:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:19:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:19:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-15 13:19:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-15 13:19:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:19:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:19:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:19:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:19:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2021-12-15 13:19:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2021-12-15 13:19:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2021-12-15 13:19:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2021-12-15 13:19:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:19:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:19:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:19:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:19:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 13:19:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 13:19:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2021-12-15 13:19:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2021-12-15 13:19:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2021-12-15 13:19:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2021-12-15 13:19:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 13:19:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 13:19:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:19:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:19:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:19:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:19:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:19:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:19:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:19:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:19:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:19:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:19:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2021-12-15 13:19:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2021-12-15 13:19:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-15 13:19:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-15 13:19:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:19:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:19:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:19:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:19:07,808 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:19:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:19:07,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:19:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:19:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:19:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:19:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:19:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2021-12-15 13:19:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2021-12-15 13:19:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:19:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:19:07,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:19:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:19:07,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:19:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:19:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:19:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:19:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:19:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:19:07,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:19:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:19:07,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:19:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:19:07,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:19:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 13:19:07,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 13:19:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2021-12-15 13:19:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2021-12-15 13:19:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-15 13:19:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-15 13:19:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2021-12-15 13:19:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2021-12-15 13:19:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:19:07,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:19:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:19:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:19:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:19:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:19:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:19:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:19:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:19:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:19:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:19:08,393 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:19:08,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:19:08,803 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:19:08,807 INFO L158 Benchmark]: Toolchain (without parser) took 3470.31ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 48.6MB in the beginning and 70.5MB in the end (delta: -22.0MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-12-15 13:19:08,807 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:19:08,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1977.43ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.4MB in the beginning and 40.7MB in the end (delta: 7.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-12-15 13:19:08,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.58ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 40.7MB in the beginning and 77.7MB in the end (delta: -37.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:19:08,809 INFO L158 Benchmark]: Boogie Preprocessor took 150.20ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 60.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:19:08,809 INFO L158 Benchmark]: RCFGBuilder took 1129.83ms. Allocated memory is still 136.3MB. Free memory was 60.9MB in the beginning and 70.5MB in the end (delta: -9.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-12-15 13:19:08,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1977.43ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.4MB in the beginning and 40.7MB in the end (delta: 7.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.58ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 40.7MB in the beginning and 77.7MB in the end (delta: -37.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.20ms. Allocated memory is still 136.3MB. Free memory was 77.7MB in the beginning and 60.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.83ms. Allocated memory is still 136.3MB. Free memory was 60.9MB in the beginning and 70.5MB in the end (delta: -9.6MB). Peak memory consumption was 24.0MB. 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 13:19:08,851 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.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 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:19:10,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:19:10,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:19:10,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:19:10,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:19:10,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:19:10,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:19:10,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:19:10,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:19:10,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:19:10,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:19:10,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:19:10,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:19:10,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:19:10,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:19:10,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:19:10,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:19:10,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:19:10,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:19:10,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:19:10,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:19:10,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:19:10,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:19:10,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:19:10,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:19:10,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:19:10,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:19:10,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:19:10,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:19:10,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:19:10,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:19:10,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:19:10,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:19:10,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:19:10,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:19:10,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:19:10,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:19:10,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:19:10,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:19:10,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:19:10,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:19:10,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:19:11,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:19:11,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:19:11,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:19:11,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:19:11,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:19:11,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:19:11,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:19:11,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:19:11,015 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:19:11,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:19:11,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:19:11,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:19:11,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:19:11,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:19:11,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:19:11,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:19:11,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:19:11,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:19:11,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:19:11,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:19:11,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:19:11,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:19:11,020 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:19:11,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:19:11,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:19:11,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:19:11,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:19:11,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:19:11,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:19:11,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2021-12-15 13:19:11,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:19:11,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:19:11,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:19:11,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:19:11,375 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:19:11,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2021-12-15 13:19:11,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae343bd5/307a4e61f9e5457a9676ab0510722c7b/FLAG004b57a8d [2021-12-15 13:19:12,199 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:19:12,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2021-12-15 13:19:12,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae343bd5/307a4e61f9e5457a9676ab0510722c7b/FLAG004b57a8d [2021-12-15 13:19:12,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae343bd5/307a4e61f9e5457a9676ab0510722c7b [2021-12-15 13:19:12,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:19:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:19:12,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:19:12,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:19:12,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:19:12,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:12" (1/1) ... [2021-12-15 13:19:12,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9fcf6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12, skipping insertion in model container [2021-12-15 13:19:12,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:12" (1/1) ... [2021-12-15 13:19:12,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:19:12,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:19:14,070 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2021-12-15 13:19:14,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:19:14,257 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:19:14,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:19:14,547 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2021-12-15 13:19:14,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:19:14,601 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:19:14,871 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2021-12-15 13:19:14,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:19:15,002 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:19:15,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15 WrapperNode [2021-12-15 13:19:15,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:19:15,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:19:15,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:19:15,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:19:15,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,248 INFO L137 Inliner]: procedures = 296, calls = 1375, calls flagged for inlining = 101, calls inlined = 84, statements flattened = 2482 [2021-12-15 13:19:15,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:19:15,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:19:15,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:19:15,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:19:15,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:19:15,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:19:15,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:19:15,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:19:15,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:15" (1/1) ... [2021-12-15 13:19:15,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:19:15,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:19:15,463 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 13:19:15,489 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 13:19:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:19:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 13:19:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 13:19:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:19:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:19:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2021-12-15 13:19:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2021-12-15 13:19:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:19:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:19:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:19:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:19:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:19:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2021-12-15 13:19:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2021-12-15 13:19:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2021-12-15 13:19:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2021-12-15 13:19:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-12-15 13:19:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-12-15 13:19:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:19:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:19:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-15 13:19:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-15 13:19:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-15 13:19:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-15 13:19:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-15 13:19:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-15 13:19:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2021-12-15 13:19:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2021-12-15 13:19:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:19:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:19:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:19:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:19:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2021-12-15 13:19:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2021-12-15 13:19:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:19:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:19:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:19:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:19:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:19:15,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:19:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:19:15,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:19:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2021-12-15 13:19:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2021-12-15 13:19:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2021-12-15 13:19:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2021-12-15 13:19:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2021-12-15 13:19:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2021-12-15 13:19:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:19:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:19:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:19:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2021-12-15 13:19:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2021-12-15 13:19:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2021-12-15 13:19:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2021-12-15 13:19:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:19:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2021-12-15 13:19:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2021-12-15 13:19:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:19:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:19:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:19:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2021-12-15 13:19:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:19:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:19:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-15 13:19:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-15 13:19:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-15 13:19:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:19:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:19:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:19:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:19:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:19:15,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:19:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-15 13:19:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-15 13:19:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:19:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:19:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:19:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:19:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2021-12-15 13:19:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2021-12-15 13:19:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2021-12-15 13:19:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2021-12-15 13:19:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:19:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:19:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:19:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:19:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:19:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:19:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 13:19:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 13:19:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2021-12-15 13:19:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2021-12-15 13:19:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2021-12-15 13:19:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2021-12-15 13:19:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-15 13:19:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-15 13:19:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:19:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:19:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:19:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:19:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 13:19:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 13:19:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2021-12-15 13:19:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2021-12-15 13:19:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-15 13:19:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-15 13:19:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:19:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:19:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:19:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 13:19:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 13:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:19:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:19:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:19:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:19:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2021-12-15 13:19:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2021-12-15 13:19:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:19:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:19:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:19:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:19:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:19:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:19:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:19:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:19:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:19:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 13:19:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 13:19:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:19:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:19:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:19:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:19:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 13:19:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 13:19:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2021-12-15 13:19:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2021-12-15 13:19:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-15 13:19:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-15 13:19:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2021-12-15 13:19:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2021-12-15 13:19:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:19:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:19:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:19:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:19:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 13:19:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 13:19:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:19:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:19:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:19:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:19:16,181 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:19:16,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:19:18,989 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:19:18,992 INFO L158 Benchmark]: Toolchain (without parser) took 6692.19ms. Allocated memory was 58.7MB in the beginning and 260.0MB in the end (delta: 201.3MB). Free memory was 27.9MB in the beginning and 180.0MB in the end (delta: -152.1MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2021-12-15 13:19:18,992 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 36.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:19:18,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2702.66ms. Allocated memory was 58.7MB in the beginning and 130.0MB in the end (delta: 71.3MB). Free memory was 27.8MB in the beginning and 58.0MB in the end (delta: -30.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2021-12-15 13:19:18,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 243.17ms. Allocated memory is still 130.0MB. Free memory was 57.5MB in the beginning and 73.7MB in the end (delta: -16.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 13:19:18,993 INFO L158 Benchmark]: Boogie Preprocessor took 167.76ms. Allocated memory is still 130.0MB. Free memory was 73.7MB in the beginning and 55.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:19:18,994 INFO L158 Benchmark]: RCFGBuilder took 3573.07ms. Allocated memory was 130.0MB in the beginning and 260.0MB in the end (delta: 130.0MB). Free memory was 55.3MB in the beginning and 180.0MB in the end (delta: -124.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-15 13:19:19,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 36.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2702.66ms. Allocated memory was 58.7MB in the beginning and 130.0MB in the end (delta: 71.3MB). Free memory was 27.8MB in the beginning and 58.0MB in the end (delta: -30.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 243.17ms. Allocated memory is still 130.0MB. Free memory was 57.5MB in the beginning and 73.7MB in the end (delta: -16.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.76ms. Allocated memory is still 130.0MB. Free memory was 73.7MB in the beginning and 55.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3573.07ms. Allocated memory was 130.0MB in the beginning and 260.0MB in the end (delta: 130.0MB). Free memory was 55.3MB in the beginning and 180.0MB in the end (delta: -124.7MB). Peak memory consumption was 15.8MB. 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 13:19:19,051 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable