./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:48,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:48,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:48,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:48,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:48,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:48,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:48,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:48,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:48,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:48,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:48,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:48,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:48,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:48,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:48,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:48,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:48,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:48,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:48,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:48,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:48,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:48,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:48,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:48,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:48,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:48,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:48,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:48,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:48,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:48,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:48,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:48,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:48,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:48,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:48,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:48,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:48,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:48,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:48,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:48,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:48,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:06:48,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:48,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:48,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:48,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:48,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:48,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:48,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:48,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:48,476 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:48,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:48,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:06:48,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:48,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:48,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:48,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:48,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:48,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:48,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:48,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:48,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:06:48,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:06:48,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:48,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:48,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:48,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:48,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2021-12-15 13:06:48,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:48,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:48,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:48,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:48,720 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:48,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2021-12-15 13:06:48,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57ac2258/abcf9c21f93444b6ac64730af608f057/FLAG075fdd986 [2021-12-15 13:06:49,305 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:49,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2021-12-15 13:06:49,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57ac2258/abcf9c21f93444b6ac64730af608f057/FLAG075fdd986 [2021-12-15 13:06:49,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57ac2258/abcf9c21f93444b6ac64730af608f057 [2021-12-15 13:06:49,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:49,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:49,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:49,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:49,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:49,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:49" (1/1) ... [2021-12-15 13:06:49,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64820d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:49, skipping insertion in model container [2021-12-15 13:06:49,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:49" (1/1) ... [2021-12-15 13:06:49,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:49,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:50,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2021-12-15 13:06:50,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:50,349 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:50,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2021-12-15 13:06:50,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:50,539 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:50,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50 WrapperNode [2021-12-15 13:06:50,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:50,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:50,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:50,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:50,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,634 INFO L137 Inliner]: procedures = 125, calls = 327, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1029 [2021-12-15 13:06:50,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:50,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:50,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:50,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:50,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:50,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:50,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:50,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:50,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:50" (1/1) ... [2021-12-15 13:06:50,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:50,756 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 13:06:50,803 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 13:06:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:06:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:06:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:06:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:06:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-15 13:06:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-15 13:06:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-15 13:06:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-15 13:06:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2021-12-15 13:06:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2021-12-15 13:06:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:06:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:06:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-15 13:06:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-15 13:06:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:06:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:06:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:06:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-15 13:06:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-15 13:06:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:06:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:06:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2021-12-15 13:06:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2021-12-15 13:06:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 13:06:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 13:06:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-15 13:06:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-15 13:06:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:06:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:06:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:06:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:06:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:06:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:06:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2021-12-15 13:06:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2021-12-15 13:06:51,166 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:51,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:51,216 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:51,220 INFO L158 Benchmark]: Toolchain (without parser) took 1700.98ms. Allocated memory was 86.0MB in the beginning and 172.0MB in the end (delta: 86.0MB). Free memory was 47.9MB in the beginning and 109.6MB in the end (delta: -61.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2021-12-15 13:06:51,221 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:51,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1020.93ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 62.6MB in the end (delta: -15.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-12-15 13:06:51,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.00ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 55.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:51,222 INFO L158 Benchmark]: Boogie Preprocessor took 91.77ms. Allocated memory is still 115.3MB. Free memory was 55.3MB in the beginning and 48.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:51,222 INFO L158 Benchmark]: RCFGBuilder took 490.83ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 48.4MB in the beginning and 109.6MB in the end (delta: -61.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:51,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1020.93ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 62.6MB in the end (delta: -15.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.00ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 55.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.77ms. Allocated memory is still 115.3MB. Free memory was 55.3MB in the beginning and 48.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 490.83ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 48.4MB in the beginning and 109.6MB in the end (delta: -61.2MB). Peak memory consumption was 11.4MB. 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 13:06:51,255 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:53,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:53,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:53,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:53,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:53,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:53,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:53,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:53,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:53,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:53,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:53,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:53,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:53,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:53,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:53,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:53,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:53,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:53,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:53,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:53,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:53,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:53,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:53,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:53,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:53,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:53,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:53,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:53,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:53,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:53,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:53,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:53,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:53,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:53,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:53,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:53,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:53,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:53,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:53,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:53,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:53,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:06:53,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:53,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:53,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:53,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:53,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:53,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:53,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:53,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:53,113 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:53,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:06:53,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:06:53,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:06:53,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:53,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:53,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:53,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:53,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:53,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:53,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:53,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:53,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:53,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:53,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:53,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:06:53,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2021-12-15 13:06:53,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:53,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:53,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:53,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:53,398 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:53,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2021-12-15 13:06:53,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f5f88d/649b4fc2d58c4ca890a46dd9850b408c/FLAG1d8e8c6cb [2021-12-15 13:06:54,015 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:54,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2021-12-15 13:06:54,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f5f88d/649b4fc2d58c4ca890a46dd9850b408c/FLAG1d8e8c6cb [2021-12-15 13:06:54,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f5f88d/649b4fc2d58c4ca890a46dd9850b408c [2021-12-15 13:06:54,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:54,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:54,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:54,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:54,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:54,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:54" (1/1) ... [2021-12-15 13:06:54,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e107025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:54, skipping insertion in model container [2021-12-15 13:06:54,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:54" (1/1) ... [2021-12-15 13:06:54,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:54,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:55,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2021-12-15 13:06:55,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:55,378 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:06:55,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:55,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2021-12-15 13:06:55,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:55,589 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:55,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2021-12-15 13:06:55,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:55,802 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:55,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55 WrapperNode [2021-12-15 13:06:55,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:55,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:55,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:55,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:55,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,911 INFO L137 Inliner]: procedures = 139, calls = 327, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 995 [2021-12-15 13:06:55,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:55,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:55,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:55,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:55,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:56,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:56,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:56,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:56,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:56,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:56,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:56,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:56,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:56,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:56,093 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 13:06:56,109 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 13:06:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:06:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-15 13:06:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-15 13:06:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-15 13:06:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-15 13:06:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2021-12-15 13:06:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2021-12-15 13:06:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:06:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:06:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-15 13:06:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-15 13:06:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:06:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:06:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:06:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:06:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:06:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:06:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-15 13:06:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-15 13:06:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:06:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:06:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2021-12-15 13:06:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2021-12-15 13:06:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 13:06:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 13:06:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-15 13:06:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-15 13:06:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:06:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:06:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:06:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:06:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:06:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 13:06:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 13:06:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:06:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:06:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:06:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:06:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:06:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2021-12-15 13:06:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2021-12-15 13:06:56,471 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:56,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:56,479 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:56,484 INFO L158 Benchmark]: Toolchain (without parser) took 2054.83ms. Allocated memory was 60.8MB in the beginning and 155.2MB in the end (delta: 94.4MB). Free memory was 31.8MB in the beginning and 96.0MB in the end (delta: -64.2MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:56,484 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:56,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.12ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 31.6MB in the beginning and 36.2MB in the end (delta: -4.6MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:56,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.05ms. Allocated memory is still 98.6MB. Free memory was 36.2MB in the beginning and 43.4MB in the end (delta: -7.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-15 13:06:56,487 INFO L158 Benchmark]: Boogie Preprocessor took 110.42ms. Allocated memory is still 98.6MB. Free memory was 43.4MB in the beginning and 35.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:56,489 INFO L158 Benchmark]: RCFGBuilder took 437.14ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 35.0MB in the beginning and 96.0MB in the end (delta: -61.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-12-15 13:06:56,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.12ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 31.6MB in the beginning and 36.2MB in the end (delta: -4.6MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.05ms. Allocated memory is still 98.6MB. Free memory was 36.2MB in the beginning and 43.4MB in the end (delta: -7.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.42ms. Allocated memory is still 98.6MB. Free memory was 43.4MB in the beginning and 35.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 437.14ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 35.0MB in the beginning and 96.0MB in the end (delta: -61.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:06:56,522 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