./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/list-ext-properties/simple-ext.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:45:57,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:45:57,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:45:57,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:45:57,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:45:57,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:45:57,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:45:57,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:45:57,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:45:57,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:45:57,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:45:57,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:45:57,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:45:57,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:45:57,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:45:57,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:45:57,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:45:57,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:45:57,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:45:57,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:45:57,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:45:57,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:45:57,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:45:57,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:45:57,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:45:57,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:45:57,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:45:57,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:45:57,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:45:57,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:45:57,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:45:57,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:45:57,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:45:57,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:45:57,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:45:57,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:45:57,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:45:57,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:45:57,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:45:57,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:45:57,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:45:57,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:45:57,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:45:57,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:45:57,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:45:57,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:45:57,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:45:57,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:45:57,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:45:57,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:45:57,515 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:45:57,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:45:57,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:45:57,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:45:57,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:45:57,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:45:57,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:45:57,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:45:57,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:45:57,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:45:57,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:45:57,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:45:57,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:45:57,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:45:57,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:45:57,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:45:57,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-12-15 10:45:57,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:45:57,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:45:57,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:45:57,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:45:57,750 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:45:57,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-12-15 10:45:57,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab00a89d/3be477342fec4bcdb817eb5b0357d4ca/FLAGdaa613217 [2021-12-15 10:45:58,189 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:45:58,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-12-15 10:45:58,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab00a89d/3be477342fec4bcdb817eb5b0357d4ca/FLAGdaa613217 [2021-12-15 10:45:58,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aab00a89d/3be477342fec4bcdb817eb5b0357d4ca [2021-12-15 10:45:58,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:45:58,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:45:58,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:45:58,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:45:58,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:45:58,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733d9227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58, skipping insertion in model container [2021-12-15 10:45:58,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:45:58,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:45:58,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-12-15 10:45:58,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:45:58,525 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:45:58,556 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/list-ext-properties/simple-ext.i[23272,23285] [2021-12-15 10:45:58,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:45:58,585 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:45:58,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58 WrapperNode [2021-12-15 10:45:58,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:45:58,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:45:58,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:45:58,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:45:58,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,629 INFO L137 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2021-12-15 10:45:58,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:45:58,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:45:58,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:45:58,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:45:58,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:45:58,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:45:58,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:45:58,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:45:58,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:45:58" (1/1) ... [2021-12-15 10:45:58,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:45:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:45:58,692 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 10:45:58,696 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 10:45:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-12-15 10:45:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:45:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:45:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:45:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:45:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:45:58,771 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:45:58,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:45:58,778 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:45:58,781 INFO L158 Benchmark]: Toolchain (without parser) took 570.90ms. Allocated memory is still 138.4MB. Free memory was 108.5MB in the beginning and 97.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-12-15 10:45:58,782 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:45:58,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.14ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 107.4MB in the end (delta: 831.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:45:58,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.48ms. Allocated memory is still 138.4MB. Free memory was 107.4MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:45:58,783 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 138.4MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:45:58,784 INFO L158 Benchmark]: RCFGBuilder took 110.28ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 97.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:45:58,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.14ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 107.4MB in the end (delta: 831.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.48ms. Allocated memory is still 138.4MB. Free memory was 107.4MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 138.4MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 110.28ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 97.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:45:58,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:46:00,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:46:00,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:46:00,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:46:00,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:46:00,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:46:00,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:46:00,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:46:00,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:46:00,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:46:00,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:46:00,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:46:00,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:46:00,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:46:00,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:46:00,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:46:00,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:46:00,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:46:00,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:46:00,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:46:00,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:46:00,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:46:00,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:46:00,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:46:00,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:46:00,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:46:00,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:46:00,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:46:00,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:46:00,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:46:00,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:46:00,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:46:00,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:46:00,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:46:00,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:46:00,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:46:00,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:46:00,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:46:00,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:46:00,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:46:00,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:46:00,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:46:00,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:46:00,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:46:00,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:46:00,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:46:00,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:46:00,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:46:00,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:46:00,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:46:00,733 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:46:00,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:46:00,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:46:00,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:46:00,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:46:00,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:46:00,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:46:00,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:00,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:46:00,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:46:00,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:46:00,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:46:00,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:46:00,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-12-15 10:46:00,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:46:00,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:46:00,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:46:00,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:46:00,987 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:46:00,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-12-15 10:46:01,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09bea21/05d4002bec9c4fdabb917b6cb55e7b04/FLAG093617f87 [2021-12-15 10:46:01,420 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:46:01,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-12-15 10:46:01,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09bea21/05d4002bec9c4fdabb917b6cb55e7b04/FLAG093617f87 [2021-12-15 10:46:01,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09bea21/05d4002bec9c4fdabb917b6cb55e7b04 [2021-12-15 10:46:01,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:46:01,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:46:01,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:01,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:46:01,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:46:01,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:01" (1/1) ... [2021-12-15 10:46:01,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcec32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:01, skipping insertion in model container [2021-12-15 10:46:01,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:01" (1/1) ... [2021-12-15 10:46:01,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:46:01,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:46:02,058 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/list-ext-properties/simple-ext.i[23272,23285] [2021-12-15 10:46:02,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:02,069 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:46:02,093 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/list-ext-properties/simple-ext.i[23272,23285] [2021-12-15 10:46:02,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:02,114 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:46:02,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02 WrapperNode [2021-12-15 10:46:02,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:02,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:02,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:46:02,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:46:02,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,149 INFO L137 Inliner]: procedures = 127, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-12-15 10:46:02,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:02,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:46:02,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:46:02,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:46:02,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:46:02,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:46:02,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:46:02,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:46:02,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:02" (1/1) ... [2021-12-15 10:46:02,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:02,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:46:02,203 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 10:46:02,215 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 10:46:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-12-15 10:46:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-12-15 10:46:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 10:46:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:46:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:46:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:46:02,363 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:46:02,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:46:02,369 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:46:02,385 INFO L158 Benchmark]: Toolchain (without parser) took 581.06ms. Allocated memory is still 60.8MB. Free memory was 39.8MB in the beginning and 25.2MB in the end (delta: 14.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-15 10:46:02,386 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 42.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:46:02,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.95ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 36.2MB in the end (delta: 3.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-12-15 10:46:02,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.45ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 34.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:46:02,387 INFO L158 Benchmark]: Boogie Preprocessor took 21.25ms. Allocated memory is still 60.8MB. Free memory was 34.1MB in the beginning and 32.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:46:02,388 INFO L158 Benchmark]: RCFGBuilder took 212.47ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 25.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:46:02,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 42.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.95ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 36.2MB in the end (delta: 3.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.45ms. Allocated memory is still 60.8MB. Free memory was 36.0MB in the beginning and 34.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.25ms. Allocated memory is still 60.8MB. Free memory was 34.1MB in the beginning and 32.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 212.47ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 25.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:46:02,439 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