./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.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/one_time_barrier_twice_2t.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 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:42:15,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:42:15,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:42:15,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:42:15,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:42:15,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:42:15,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:42:15,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:42:15,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:42:15,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:42:15,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:42:15,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:42:15,263 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:42:15,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:42:15,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:42:15,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:42:15,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:42:15,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:42:15,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:42:15,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:42:15,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:42:15,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:42:15,266 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:42:15,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:42:15,266 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:42:15,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:42:15,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:42:15,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:42:15,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:42:15,268 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:42:15,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:42:15,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:42:15,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:42:15,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:42:15,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:42:15,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:42:15,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:42:15,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:42:15,271 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:42:15,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:42:15,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:42:15,272 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:42:15,272 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:42:15,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:42:15,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:42:15,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:42:15,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:42:15,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:42:15,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:42:15,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2023-11-21 16:42:16,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:42:17,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:42:17,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2023-11-21 16:42:17,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/101c39965/3102a09ac4db4fb0a885bc013501cc67/FLAG1feb1c888 [2023-11-21 16:42:17,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/101c39965/3102a09ac4db4fb0a885bc013501cc67 [2023-11-21 16:42:17,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:42:17,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:42:17,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:17,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:42:17,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:42:17,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:17,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64466749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17, skipping insertion in model container [2023-11-21 16:42:17,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:17,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:42:17,507 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:17,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:17,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:42:17,763 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:17,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:17,858 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:42:17,879 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:42:17,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17 WrapperNode [2023-11-21 16:42:17,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:17,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:17,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:42:17,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:42:17,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:17,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:17,983 INFO L138 Inliner]: procedures = 175, calls = 90, calls flagged for inlining = 21, calls inlined = 37, statements flattened = 932 [2023-11-21 16:42:17,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:17,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:42:17,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:42:17,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:42:18,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:18,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:18,027 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2023-11-21 16:42:18,057 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 16:42:18,061 INFO L158 Benchmark]: Toolchain (without parser) took 796.38ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 38.2MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:18,062 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:18,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.74ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 48.7MB in the end (delta: -13.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-21 16:42:18,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.96ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 40.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 16:42:18,064 INFO L158 Benchmark]: Boogie Preprocessor took 68.47ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:42:18,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.74ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 48.7MB in the end (delta: -13.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.96ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 40.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.47ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.2MB 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 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/one_time_barrier_twice_2t.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 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:42:20,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:42:20,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2023-11-21 16:42:20,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:42:20,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:42:20,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:42:20,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:42:20,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:42:20,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:42:20,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:42:20,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:42:20,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:42:20,151 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:42:20,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:42:20,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:42:20,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:42:20,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:42:20,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:42:20,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:42:20,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:42:20,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:42:20,156 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:42:20,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 16:42:20,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 16:42:20,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:42:20,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:42:20,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:42:20,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:42:20,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:42:20,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:42:20,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:42:20,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:42:20,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:42:20,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:42:20,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:42:20,161 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 16:42:20,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 16:42:20,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:42:20,161 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:42:20,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:42:20,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:42:20,163 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:42:20,163 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:42:20,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 16:42:20,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654ba073723c5bebcf706552b3cd58bc95cc07bc71a7e60391f80a16de89dbcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:42:20,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:42:20,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:42:20,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:42:20,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:42:20,541 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:42:20,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2023-11-21 16:42:21,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:42:22,181 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:42:22,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2023-11-21 16:42:22,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9808325ea/1c74b26634b64483b3dc2b5d868821ef/FLAGa805c59e0 [2023-11-21 16:42:22,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9808325ea/1c74b26634b64483b3dc2b5d868821ef [2023-11-21 16:42:22,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:42:22,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:42:22,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:22,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:42:22,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:42:22,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:22,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58048cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22, skipping insertion in model container [2023-11-21 16:42:22,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:22,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:42:22,455 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:22,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:22,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:42:22,755 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 16:42:22,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:42:22,877 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:42:22,884 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:42:22,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22 WrapperNode [2023-11-21 16:42:22,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:42:22,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:22,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:42:22,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:42:22,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:22,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:22,982 INFO L138 Inliner]: procedures = 178, calls = 90, calls flagged for inlining = 21, calls inlined = 37, statements flattened = 933 [2023-11-21 16:42:22,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:42:22,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:42:22,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:42:22,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:42:22,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:22,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:23,006 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:22" (1/1) ... [2023-11-21 16:42:23,030 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 16:42:23,044 INFO L158 Benchmark]: Toolchain (without parser) took 812.50ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 34.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-21 16:42:23,044 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 52.4MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:42:23,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.36ms. Allocated memory is still 71.3MB. Free memory was 51.8MB in the beginning and 45.4MB in the end (delta: 6.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-21 16:42:23,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.69ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 37.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 16:42:23,046 INFO L158 Benchmark]: Boogie Preprocessor took 58.92ms. Allocated memory is still 71.3MB. Free memory was 37.5MB in the beginning and 34.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:42:23,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 52.4MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.36ms. Allocated memory is still 71.3MB. Free memory was 51.8MB in the beginning and 45.4MB in the end (delta: 6.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.69ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 37.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.92ms. Allocated memory is still 71.3MB. Free memory was 37.5MB in the beginning and 34.7MB in the end (delta: 2.7MB). 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