./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-divine/barrier_3t.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e93f2d6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-divine/barrier_3t.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:42:03,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:42:03,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:42:03,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:42:03,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:42:03,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:42:03,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:42:03,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:42:03,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:42:03,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:42:03,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:42:03,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:42:03,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:42:03,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:42:03,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:42:03,785 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:42:03,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:42:03,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:42:03,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:42:03,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:42:03,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:42:03,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:42:03,787 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:42:03,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:42:03,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:42:03,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:42:03,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:42:03,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:42:03,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:42:03,789 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:42:03,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:42:03,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:42:03,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:42:03,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:42:03,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:42:03,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:42:03,792 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:42:03,792 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:42:03,792 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:42:04,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:42:04,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:42:04,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:42:04,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:42:04,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:42:04,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-divine/barrier_3t.i [2023-11-21 16:42:05,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:42:05,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:42:05,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2023-11-21 16:42:05,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/748439fd1/52063e9a74fd4d408e0a4b6ce729cd1e/FLAG59517496a [2023-11-21 16:42:05,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/748439fd1/52063e9a74fd4d408e0a4b6ce729cd1e [2023-11-21 16:42:05,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:42:05,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:42:05,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:05,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:42:05,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:42:05,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:05" (1/1) ... [2023-11-21 16:42:05,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a4586d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:05, skipping insertion in model container [2023-11-21 16:42:05,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:05" (1/1) ... [2023-11-21 16:42:05,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:42:05,809 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:06,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:06,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:42:06,024 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:06,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:06,101 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:42:06,107 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:42:06,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06 WrapperNode [2023-11-21 16:42:06,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:06,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:06,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:42:06,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:42:06,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06" (1/1) ... [2023-11-21 16:42:06,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06" (1/1) ... [2023-11-21 16:42:06,207 INFO L138 Inliner]: procedures = 175, calls = 100, calls flagged for inlining = 19, calls inlined = 31, statements flattened = 1079 [2023-11-21 16:42:06,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:06,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:42:06,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:42:06,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:42:06,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06" (1/1) ... [2023-11-21 16:42:06,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06" (1/1) ... [2023-11-21 16:42:06,238 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:06" (1/1) ... [2023-11-21 16:42:06,249 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:157) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:121) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:107) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) 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) [2023-11-21 16:42:06,252 INFO L158 Benchmark]: Toolchain (without parser) took 631.36ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 41.8MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:06,253 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:06,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.18ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 31.9MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-21 16:42:06,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.57ms. Allocated memory is still 73.4MB. Free memory was 31.9MB in the beginning and 44.3MB in the end (delta: -12.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 16:42:06,254 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 73.4MB. Free memory was 44.3MB in the beginning and 41.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:42:06,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.18ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 31.9MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.57ms. Allocated memory is still 73.4MB. Free memory was 31.9MB in the beginning and 44.3MB in the end (delta: -12.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 73.4MB. Free memory was 44.3MB in the beginning and 41.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) 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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-divine/barrier_3t.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:42:07,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:42:07,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2023-11-21 16:42:07,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:42:07,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:42:07,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:42:07,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:42:07,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:42:07,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:42:07,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:42:07,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:42:07,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:42:07,990 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:42:07,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:42:07,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:42:07,992 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:42:07,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:42:07,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:42:07,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:42:07,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:42:07,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:42:07,994 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:42:07,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 16:42:07,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 16:42:07,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:42:07,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:42:07,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:42:07,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:42:07,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:42:07,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:42:07,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:42:07,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:42:07,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:42:07,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:42:07,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:42:07,998 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 16:42:07,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 16:42:07,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:42:07,998 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:42:07,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:42:07,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:42:07,999 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:42:08,000 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:42:08,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 16:42:08,001 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:42:08,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:42:08,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:42:08,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:42:08,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:42:08,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:42:08,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-divine/barrier_3t.i [2023-11-21 16:42:09,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:42:09,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:42:09,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2023-11-21 16:42:09,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/442e89f12/2b20103fd5fa472494c451b342c8bebe/FLAG2a3dde6a8 [2023-11-21 16:42:09,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/442e89f12/2b20103fd5fa472494c451b342c8bebe [2023-11-21 16:42:09,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:42:09,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:42:09,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:09,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:42:09,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:42:09,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:09" (1/1) ... [2023-11-21 16:42:09,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14610d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:09, skipping insertion in model container [2023-11-21 16:42:09,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:09" (1/1) ... [2023-11-21 16:42:09,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:42:10,035 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:10,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:10,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:42:10,306 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:10,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:10,412 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:42:10,417 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:42:10,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10 WrapperNode [2023-11-21 16:42:10,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:10,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:10,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:42:10,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:42:10,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10" (1/1) ... [2023-11-21 16:42:10,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10" (1/1) ... [2023-11-21 16:42:10,503 INFO L138 Inliner]: procedures = 178, calls = 100, calls flagged for inlining = 19, calls inlined = 31, statements flattened = 1080 [2023-11-21 16:42:10,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:10,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:42:10,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:42:10,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:42:10,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10" (1/1) ... [2023-11-21 16:42:10,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10" (1/1) ... [2023-11-21 16:42:10,520 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:10" (1/1) ... [2023-11-21 16:42:10,535 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:157) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:121) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:107) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) 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) [2023-11-21 16:42:10,546 INFO L158 Benchmark]: Toolchain (without parser) took 686.58ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 35.1MB in the beginning and 93.6MB in the end (delta: -58.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:10,547 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 75.5MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:10,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.55ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 34.9MB in the beginning and 105.0MB in the end (delta: -70.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-21 16:42:10,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.24ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 96.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 16:42:10,548 INFO L158 Benchmark]: Boogie Preprocessor took 34.02ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 93.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:42:10,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 75.5MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.55ms. Allocated memory was 75.5MB in the beginning and 132.1MB in the end (delta: 56.6MB). Free memory was 34.9MB in the beginning and 105.0MB in the end (delta: -70.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.24ms. Allocated memory is still 132.1MB. Free memory was 105.0MB in the beginning and 96.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.02ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 93.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) 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: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0