./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:02:54,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:02:54,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:02:54,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:02:54,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:02:54,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:02:54,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:02:54,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:02:54,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:02:54,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:02:54,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:02:54,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:02:54,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:02:54,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:02:54,112 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:02:54,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:02:54,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:02:54,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:02:54,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:02:54,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:02:54,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:02:54,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:02:54,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:02:54,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:02:54,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:02:54,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:02:54,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:02:54,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:02:54,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:02:54,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:02:54,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:02:54,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:02:54,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:02:54,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:02:54,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:02:54,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:02:54,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:02:54,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:02:54,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:02:54,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:02:54,124 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:02:54,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:02:54,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:02:54,125 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:02:54,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:02:54,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:02:54,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:02:54,379 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:02:54,379 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:02:54,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-07 19:02:54,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:02:54,442 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:02:54,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-07 19:02:55,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:02:56,141 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:02:56,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-07 19:02:56,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b252ab9e2/a5eb05a5dc3646fcaa3642f9f4bd8570/FLAGa99dd907d [2024-02-07 19:02:56,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b252ab9e2/a5eb05a5dc3646fcaa3642f9f4bd8570 [2024-02-07 19:02:56,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:02:56,181 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:02:56,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:02:56,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:02:56,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:02:56,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:02:54" (1/2) ... [2024-02-07 19:02:56,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b580510 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:02:56, skipping insertion in model container [2024-02-07 19:02:56,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:02:54" (1/2) ... [2024-02-07 19:02:56,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@657a9a46 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:02:56, skipping insertion in model container [2024-02-07 19:02:56,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:02:56" (2/2) ... [2024-02-07 19:02:56,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b580510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:02:56, skipping insertion in model container [2024-02-07 19:02:56,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:02:56" (2/2) ... [2024-02-07 19:02:56,199 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:02:56,226 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:02:56,227 INFO L76 edCorrectnessWitness]: Location invariant before [L718-L718] (arg == (void *)0 && (c == 1U || (c <= 1U && (c == 0U || c == 1U)))) || (c <= 1U && (c == 0U || c == 1U)) [2024-02-07 19:02:56,228 INFO L76 edCorrectnessWitness]: Location invariant before [L719-L719] (arg == (void *)0 && (c == 0U || (c <= 1U && (c == 0U || c == 1U)))) || (c <= 1U && (c == 0U || c == 1U)) [2024-02-07 19:02:56,284 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:02:56,590 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-07 19:02:56,600 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:02:56,609 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:02:56,697 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet implemented ACSLType[null] at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.AcslTypeUtils.translateAcslTypeToCType(AcslTypeUtils.java:95) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchSwitchRexBoolToInt(ExpressionResultTransformer.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:480) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.dispatchSwitch(ACSLHandler.java:446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:501) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.dispatchSwitch(ACSLHandler.java:446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:501) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.handleAssert(ACSLHandler.java:238) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:446) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.witness.ExtractedWitnessInvariant.instrument(ExtractedWitnessInvariant.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.witness.ExtractedLocationInvariant.transform(ExtractedLocationInvariant.java:61) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.transformWithWitness(MainDispatcher.java:431) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1109) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1092) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1109) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1092) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1514) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:274) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:257) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-07 19:02:56,703 INFO L158 Benchmark]: Toolchain (without parser) took 520.70ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 106.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 19:02:56,703 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:02:56,704 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 72.7MB in the end (delta: -21.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-02-07 19:02:56,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.24ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 106.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 19:02:56,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 72.7MB in the end (delta: -21.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.24ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 106.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: not yet implemented ACSLType[null] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet implemented ACSLType[null]: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.AcslTypeUtils.translateAcslTypeToCType(AcslTypeUtils.java:95) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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: /root/.sdkman/candidates/java/current/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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:02:59,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:02:59,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-07 19:02:59,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:02:59,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:02:59,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:02:59,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:02:59,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:02:59,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:02:59,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:02:59,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:02:59,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:02:59,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:02:59,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:02:59,200 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:02:59,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:02:59,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:02:59,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:02:59,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:02:59,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:02:59,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:02:59,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-07 19:02:59,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:02:59,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:02:59,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:02:59,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:02:59,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:02:59,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:02:59,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:02:59,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:02:59,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:02:59,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:02:59,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:02:59,205 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-07 19:02:59,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-07 19:02:59,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-07 19:02:59,206 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:02:59,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:02:59,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:02:59,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:02:59,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:02:59,507 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:02:59,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-07 19:03:00,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:03:01,274 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:03:01,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-07 19:03:01,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf9dd3b5/6b5081b910e44c3bb1ad37b695e48c2a/FLAGe95503799 [2024-02-07 19:03:01,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf9dd3b5/6b5081b910e44c3bb1ad37b695e48c2a [2024-02-07 19:03:01,328 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:03:01,329 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:03:01,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-07 19:03:01,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:03:01,413 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:03:01,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:03:01,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:03:01,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:03:01,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:03:01" (1/2) ... [2024-02-07 19:03:01,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73007703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:01, skipping insertion in model container [2024-02-07 19:03:01,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:03:01" (1/2) ... [2024-02-07 19:03:01,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47e854bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:01, skipping insertion in model container [2024-02-07 19:03:01,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:03:01" (2/2) ... [2024-02-07 19:03:01,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73007703 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:03:01, skipping insertion in model container [2024-02-07 19:03:01,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:03:01" (2/2) ... [2024-02-07 19:03:01,426 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:03:01,450 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:03:01,451 INFO L76 edCorrectnessWitness]: Location invariant before [L719-L719] (arg == (void *)0 && (c == 0U || (c <= 1U && (c == 0U || c == 1U)))) || (c <= 1U && (c == 0U || c == 1U)) [2024-02-07 19:03:01,452 INFO L76 edCorrectnessWitness]: Location invariant before [L718-L718] (arg == (void *)0 && (c == 1U || (c <= 1U && (c == 0U || c == 1U)))) || (c <= 1U && (c == 0U || c == 1U)) [2024-02-07 19:03:01,496 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:03:01,850 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-07 19:03:01,862 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:03:01,885 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:03:01,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet implemented ACSLType[null] at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.AcslTypeUtils.translateAcslTypeToCType(AcslTypeUtils.java:95) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchSwitchRexBoolToInt(ExpressionResultTransformer.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:480) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.dispatchSwitch(ACSLHandler.java:446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:501) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.dispatchSwitch(ACSLHandler.java:446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:501) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.handleAssert(ACSLHandler.java:238) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.ACSLHandler.visit(ACSLHandler.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:446) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.witness.ExtractedWitnessInvariant.instrument(ExtractedWitnessInvariant.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.witness.ExtractedLocationInvariant.transform(ExtractedLocationInvariant.java:61) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.transformWithWitness(MainDispatcher.java:431) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1109) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1092) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1109) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1092) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1514) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:274) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:257) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-07 19:03:01,968 INFO L158 Benchmark]: Toolchain (without parser) took 553.96ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 30.8MB in the end (delta: 5.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-02-07 19:03:01,968 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 39.8MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:03:01,969 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:03:01,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.41ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 30.8MB in the end (delta: 5.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-02-07 19:03:01,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 39.8MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.41ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 30.8MB in the end (delta: 5.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: not yet implemented ACSLType[null] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet implemented ACSLType[null]: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.AcslTypeUtils.translateAcslTypeToCType(AcslTypeUtils.java:95) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet implemented ACSLType[null]