./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.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 1d08dc08d1adbb7da804a516a83dc1dfdba0f9e1c9fbdcda9ca265322e9a6493 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:12,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:12,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:12,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:12,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:12,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:12,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:12,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:12,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:12,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:12,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:12,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:12,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:12,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:12,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:12,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:12,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:12,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:12,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:12,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:12,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:12,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:12,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:12,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:12,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:12,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:12,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:12,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:12,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:12,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:12,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:12,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:12,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:12,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:12,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:12,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:12,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:12,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:12,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:12,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:12,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:12,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:06:12,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:12,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:12,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:12,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:12,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:12,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:12,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:12,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:12,660 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:12,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:12,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:06:12,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:12,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:12,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:12,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:12,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:12,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:12,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:12,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:12,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:12,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:12,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:12,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:12,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:12,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:12,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:12,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d08dc08d1adbb7da804a516a83dc1dfdba0f9e1c9fbdcda9ca265322e9a6493 [2021-12-15 13:06:12,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:12,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:12,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:12,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:12,874 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:12,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:06:12,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e8e07be/debe2a6370cc44c692802f65b56b4309/FLAGf49548ded [2021-12-15 13:06:13,544 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:13,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:06:13,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e8e07be/debe2a6370cc44c692802f65b56b4309/FLAGf49548ded [2021-12-15 13:06:13,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e8e07be/debe2a6370cc44c692802f65b56b4309 [2021-12-15 13:06:13,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:13,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:13,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:13,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:13,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:13,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:13" (1/1) ... [2021-12-15 13:06:13,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83fa3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:13, skipping insertion in model container [2021-12-15 13:06:13,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:13" (1/1) ... [2021-12-15 13:06:13,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:14,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:15,215 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[149288,149301] [2021-12-15 13:06:15,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:15,494 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:15,572 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[149288,149301] [2021-12-15 13:06:15,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:15,662 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:15,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15 WrapperNode [2021-12-15 13:06:15,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:15,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:15,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:15,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:15,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,764 INFO L137 Inliner]: procedures = 102, calls = 502, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 1342 [2021-12-15 13:06:15,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:15,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:15,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:15,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:15,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:15,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:15,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:15,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:15,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:15,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:15,882 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 13:06:15,905 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 13:06:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:06:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:06:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:06:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:15,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:15,918 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-12-15 13:06:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-12-15 13:06:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 13:06:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 13:06:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:06:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:06:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:06:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:06:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:06:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-15 13:06:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-15 13:06:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:06:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-15 13:06:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:06:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:06:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:06:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:06:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:06:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:06:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 13:06:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 13:06:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 13:06:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 13:06:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:06:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 13:06:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 13:06:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 13:06:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 13:06:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 13:06:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 13:06:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:16,145 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:16,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:16,326 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:16,334 INFO L158 Benchmark]: Toolchain (without parser) took 2398.77ms. Allocated memory was 94.4MB in the beginning and 153.1MB in the end (delta: 58.7MB). Free memory was 58.1MB in the beginning and 85.3MB in the end (delta: -27.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-12-15 13:06:16,336 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:16,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1708.64ms. Allocated memory was 94.4MB in the beginning and 153.1MB in the end (delta: 58.7MB). Free memory was 58.1MB in the beginning and 79.8MB in the end (delta: -21.8MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:16,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.48ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 71.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:16,339 INFO L158 Benchmark]: Boogie Preprocessor took 89.82ms. Allocated memory is still 153.1MB. Free memory was 71.9MB in the beginning and 104.1MB in the end (delta: -32.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:16,340 INFO L158 Benchmark]: RCFGBuilder took 476.49ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 85.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:06:16,342 INFO L339 ainManager$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 94.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1708.64ms. Allocated memory was 94.4MB in the beginning and 153.1MB in the end (delta: 58.7MB). Free memory was 58.1MB in the beginning and 79.8MB in the end (delta: -21.8MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.48ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 71.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.82ms. Allocated memory is still 153.1MB. Free memory was 71.9MB in the beginning and 104.1MB in the end (delta: -32.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * RCFGBuilder took 476.49ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 85.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. 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 13:06:16,378 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.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 1d08dc08d1adbb7da804a516a83dc1dfdba0f9e1c9fbdcda9ca265322e9a6493 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:18,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:18,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:18,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:18,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:18,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:18,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:18,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:18,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:18,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:18,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:18,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:18,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:18,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:18,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:18,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:18,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:18,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:18,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:18,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:18,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:18,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:18,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:18,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:18,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:18,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:18,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:18,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:18,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:18,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:18,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:18,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:18,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:18,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:18,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:18,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:18,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:18,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:18,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:18,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:18,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:18,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:06:18,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:18,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:18,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:18,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:18,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:18,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:18,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:18,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:18,519 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:18,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:18,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:18,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:18,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:18,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:18,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:06:18,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:06:18,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:06:18,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:18,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:18,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:18,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:18,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:18,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:18,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:18,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:18,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:18,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:18,523 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:06:18,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:06:18,524 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:18,524 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:18,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:18,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:18,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:06:18,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d08dc08d1adbb7da804a516a83dc1dfdba0f9e1c9fbdcda9ca265322e9a6493 [2021-12-15 13:06:18,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:18,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:18,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:18,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:18,817 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:18,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:06:18,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5814e0f24/a3e24da670744b379737acfe4d714bed/FLAGbe591aa76 [2021-12-15 13:06:19,504 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:19,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:06:19,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5814e0f24/a3e24da670744b379737acfe4d714bed/FLAGbe591aa76 [2021-12-15 13:06:19,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5814e0f24/a3e24da670744b379737acfe4d714bed [2021-12-15 13:06:19,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:19,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:19,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:19,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:19,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:19,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b240f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19, skipping insertion in model container [2021-12-15 13:06:19,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:19,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:20,405 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[149288,149301] [2021-12-15 13:06:20,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:20,716 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:06:20,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:20,846 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[149288,149301] [2021-12-15 13:06:20,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:20,934 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:21,031 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[149288,149301] [2021-12-15 13:06:21,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:21,112 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:21,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21 WrapperNode [2021-12-15 13:06:21,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:21,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:21,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:21,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:21,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,267 INFO L137 Inliner]: procedures = 110, calls = 502, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 1317 [2021-12-15 13:06:21,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:21,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:21,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:21,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:21,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:21,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:21,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:21,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:21,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:21,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:21,408 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 13:06:21,445 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 13:06:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:06:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:06:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:06:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:06:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:06:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-12-15 13:06:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-12-15 13:06:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 13:06:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 13:06:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:06:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:06:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:06:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:06:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-15 13:06:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-15 13:06:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:06:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:06:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-15 13:06:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-15 13:06:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:06:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:06:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:06:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:06:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:06:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:06:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:06:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:06:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:06:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:06:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 13:06:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 13:06:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 13:06:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 13:06:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 13:06:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 13:06:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 13:06:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 13:06:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 13:06:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 13:06:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:21,758 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:21,760 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:21,907 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:21,915 INFO L158 Benchmark]: Toolchain (without parser) took 2017.59ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 33.3MB in the beginning and 78.9MB in the end (delta: -45.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-12-15 13:06:21,915 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:21,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1218.26ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 33.1MB in the beginning and 36.9MB in the end (delta: -3.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-12-15 13:06:21,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.94ms. Allocated memory is still 100.7MB. Free memory was 36.9MB in the beginning and 46.0MB in the end (delta: -9.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-12-15 13:06:21,917 INFO L158 Benchmark]: Boogie Preprocessor took 115.82ms. Allocated memory is still 100.7MB. Free memory was 46.0MB in the beginning and 38.1MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:21,918 INFO L158 Benchmark]: RCFGBuilder took 526.67ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 38.1MB in the beginning and 78.9MB in the end (delta: -40.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 13:06:21,922 INFO L339 ainManager$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 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1218.26ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 33.1MB in the beginning and 36.9MB in the end (delta: -3.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.94ms. Allocated memory is still 100.7MB. Free memory was 36.9MB in the beginning and 46.0MB in the end (delta: -9.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.82ms. Allocated memory is still 100.7MB. Free memory was 46.0MB in the beginning and 38.1MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 526.67ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 38.1MB in the beginning and 78.9MB in the end (delta: -40.8MB). Peak memory consumption was 14.8MB. 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 13:06:21,952 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