./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:12:14,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:12:14,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:12:14,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:12:14,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:12:14,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:12:14,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:12:14,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:12:14,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:12:14,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:12:14,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:12:14,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:12:14,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:12:14,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:12:14,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:12:14,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:12:14,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:12:14,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:12:14,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:12:14,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:12:14,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:12:14,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:12:14,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:12:14,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:12:14,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:12:14,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:12:14,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:12:14,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:12:14,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:12:14,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:12:14,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:12:14,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:12:14,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:12:14,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:12:14,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:12:14,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:12:14,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:12:14,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:12:14,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:12:14,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:12:14,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:12:14,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:12:14,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:12:14,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:12:14,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:12:14,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:12:14,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:12:14,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:12:14,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:12:14,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:12:14,566 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:12:14,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:12:14,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:12:14,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:12:14,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:12:14,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:12:14,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:12:14,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:12:14,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:12:14,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:12:14,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:12:14,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:12:14,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2021-12-15 13:12:14,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:12:14,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:12:14,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:12:14,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:12:14,804 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:12:14,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:12:14,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07adaf1a/cc32853b1caa45868ff59dab99b0f056/FLAGfade69651 [2021-12-15 13:12:15,406 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:12:15,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:12:15,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07adaf1a/cc32853b1caa45868ff59dab99b0f056/FLAGfade69651 [2021-12-15 13:12:15,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07adaf1a/cc32853b1caa45868ff59dab99b0f056 [2021-12-15 13:12:15,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:12:15,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:12:15,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:12:15,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:12:15,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:12:15,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:12:15" (1/1) ... [2021-12-15 13:12:15,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7cf79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:15, skipping insertion in model container [2021-12-15 13:12:15,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:12:15" (1/1) ... [2021-12-15 13:12:15,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:12:15,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:12:16,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-12-15 13:12:16,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:12:16,535 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:12:16,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-12-15 13:12:16,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:12:16,803 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:12:16,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16 WrapperNode [2021-12-15 13:12:16,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:12:16,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:12:16,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:12:16,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:12:16,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,915 INFO L137 Inliner]: procedures = 98, calls = 492, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 1330 [2021-12-15 13:12:16,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:12:16,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:12:16,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:12:16,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:12:16,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:16,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:17,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:17,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:12:17,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:12:17,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:12:17,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:12:17,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:16" (1/1) ... [2021-12-15 13:12:17,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:12:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:12:17,069 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 13:12:17,073 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 13:12:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:12:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:12:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:12:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:12:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:12:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:12:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:12:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-12-15 13:12:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-12-15 13:12:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 13:12:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 13:12:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:12:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:12:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:12:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:12:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:12:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:12:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:12:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-15 13:12:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-15 13:12:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:12:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:12:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:12:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-15 13:12:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-15 13:12:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:12:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:12:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:12:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:12:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:12:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:12:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:12:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:12:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 13:12:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 13:12:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:12:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:12:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 13:12:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 13:12:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:12:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 13:12:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 13:12:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 13:12:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 13:12:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 13:12:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 13:12:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:12:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:12:17,416 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:12:17,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:12:17,546 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:12:17,550 INFO L158 Benchmark]: Toolchain (without parser) took 1718.43ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 94.2MB in the beginning and 105.3MB in the end (delta: -11.1MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2021-12-15 13:12:17,551 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:12:17,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.50ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 93.6MB in the beginning and 98.4MB in the end (delta: -4.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2021-12-15 13:12:17,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.12ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 90.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:12:17,554 INFO L158 Benchmark]: Boogie Preprocessor took 96.25ms. Allocated memory is still 167.8MB. Free memory was 90.9MB in the beginning and 83.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:12:17,554 INFO L158 Benchmark]: RCFGBuilder took 528.78ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 105.3MB in the end (delta: -21.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-12-15 13:12:17,560 INFO L339 ainManager$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 123.7MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.50ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 93.6MB in the beginning and 98.4MB in the end (delta: -4.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.12ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 90.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.25ms. Allocated memory is still 167.8MB. Free memory was 90.9MB in the beginning and 83.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 528.78ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 105.3MB in the end (delta: -21.6MB). Peak memory consumption was 24.5MB. 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 13:12:17,586 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:12:19,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:12:19,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:12:19,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:12:19,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:12:19,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:12:19,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:12:19,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:12:19,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:12:19,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:12:19,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:12:19,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:12:19,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:12:19,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:12:19,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:12:19,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:12:19,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:12:19,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:12:19,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:12:19,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:12:19,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:12:19,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:12:19,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:12:19,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:12:19,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:12:19,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:12:19,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:12:19,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:12:19,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:12:19,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:12:19,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:12:19,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:12:19,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:12:19,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:12:19,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:12:19,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:12:19,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:12:19,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:12:19,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:12:19,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:12:19,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:12:19,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:12:19,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:12:19,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:12:19,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:12:19,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:12:19,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:12:19,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:12:19,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:12:19,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:12:19,454 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:12:19,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:12:19,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:12:19,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:12:19,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:12:19,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:12:19,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:12:19,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:12:19,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:12:19,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:12:19,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:12:19,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2021-12-15 13:12:19,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:12:19,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:12:19,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:12:19,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:12:19,777 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:12:19,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:12:19,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a6dd6fc/168ef3f8f640461185138a1c0ca534bd/FLAGf7301fde4 [2021-12-15 13:12:20,379 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:12:20,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2021-12-15 13:12:20,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a6dd6fc/168ef3f8f640461185138a1c0ca534bd/FLAGf7301fde4 [2021-12-15 13:12:20,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a6dd6fc/168ef3f8f640461185138a1c0ca534bd [2021-12-15 13:12:20,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:12:20,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:12:20,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:12:20,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:12:20,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:12:20,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:12:20" (1/1) ... [2021-12-15 13:12:20,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a821c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:20, skipping insertion in model container [2021-12-15 13:12:20,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:12:20" (1/1) ... [2021-12-15 13:12:20,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:12:20,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:12:21,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-12-15 13:12:21,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:12:21,853 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:12:21,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:12:22,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-12-15 13:12:22,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:12:22,123 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:12:22,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2021-12-15 13:12:22,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:12:22,319 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:12:22,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22 WrapperNode [2021-12-15 13:12:22,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:12:22,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:12:22,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:12:22,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:12:22,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,421 INFO L137 Inliner]: procedures = 106, calls = 492, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 1304 [2021-12-15 13:12:22,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:12:22,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:12:22,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:12:22,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:12:22,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:12:22,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:12:22,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:12:22,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:12:22,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:12:22" (1/1) ... [2021-12-15 13:12:22,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:12:22,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:12:22,512 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 13:12:22,532 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 13:12:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:12:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:12:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:12:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:12:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:12:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:12:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:12:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:12:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:12:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2021-12-15 13:12:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2021-12-15 13:12:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 13:12:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 13:12:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:12:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:12:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:12:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:12:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:12:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:12:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-15 13:12:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-15 13:12:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:12:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:12:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:12:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:12:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:12:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:12:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:12:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:12:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-15 13:12:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-15 13:12:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:12:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:12:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:12:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:12:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:12:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:12:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:12:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:12:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:12:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:12:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:12:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:12:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 13:12:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 13:12:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:12:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:12:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 13:12:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 13:12:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 13:12:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 13:12:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 13:12:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 13:12:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 13:12:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 13:12:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:12:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:12:22,834 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:12:22,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:12:23,015 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:12:23,018 INFO L158 Benchmark]: Toolchain (without parser) took 2166.07ms. Allocated memory was 52.4MB in the beginning and 146.8MB in the end (delta: 94.4MB). Free memory was 28.1MB in the beginning and 64.7MB in the end (delta: -36.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-12-15 13:12:23,018 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 41.9MB. Free memory was 24.0MB in the beginning and 23.9MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:12:23,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.04ms. Allocated memory was 52.4MB in the beginning and 115.3MB in the end (delta: 62.9MB). Free memory was 27.8MB in the beginning and 47.1MB in the end (delta: -19.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-12-15 13:12:23,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.60ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 47.1MB in the beginning and 92.6MB in the end (delta: -45.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-15 13:12:23,027 INFO L158 Benchmark]: Boogie Preprocessor took 65.58ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 84.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:12:23,028 INFO L158 Benchmark]: RCFGBuilder took 528.53ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 64.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:12:23,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 41.9MB. Free memory was 24.0MB in the beginning and 23.9MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.04ms. Allocated memory was 52.4MB in the beginning and 115.3MB in the end (delta: 62.9MB). Free memory was 27.8MB in the beginning and 47.1MB in the end (delta: -19.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.60ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 47.1MB in the beginning and 92.6MB in the end (delta: -45.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.58ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 84.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 528.53ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 64.7MB in the end (delta: 19.6MB). 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 13:12:23,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable