./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c --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/weaver/parallel-ticket-8.wvr.c -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 e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:59:00,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:59:00,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:59:00,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:59:00,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:59:00,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:59:00,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:59:00,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:59:00,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:59:00,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:59:00,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:59:00,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:59:00,122 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:59:00,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:59:00,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:59:00,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:59:00,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:59:00,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:59:00,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:59:00,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:59:00,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:59:00,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:59:00,125 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:59:00,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:59:00,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:59:00,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:59:00,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:59:00,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:59:00,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:59:00,126 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:59:00,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:59:00,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:59:00,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:59:00,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:59:00,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:59:00,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:59:00,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:59:00,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:59:00,129 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:59:00,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:59:00,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:59:00,130 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:59:00,130 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:59:00,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:59:00,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:59:00,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:59:00,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:59:00,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:59:00,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:59:00,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-11-21 16:59:01,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:59:01,754 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:59:01,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-11-21 16:59:01,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/efdf28ac2/af52c185fe6549b3a89557872cf38225/FLAG0a4f250bf [2023-11-21 16:59:01,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/efdf28ac2/af52c185fe6549b3a89557872cf38225 [2023-11-21 16:59:01,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:59:01,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:59:01,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:59:01,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:59:01,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:59:01,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:01" (1/1) ... [2023-11-21 16:59:01,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa6231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:01, skipping insertion in model container [2023-11-21 16:59:01,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:01" (1/1) ... [2023-11-21 16:59:01,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:59:02,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:59:02,029 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:59:02,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:59:02,102 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:59:02,103 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:59:02,109 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:59:02,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02 WrapperNode [2023-11-21 16:59:02,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:59:02,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:59:02,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:59:02,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:59:02,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02" (1/1) ... [2023-11-21 16:59:02,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02" (1/1) ... [2023-11-21 16:59:02,184 INFO L138 Inliner]: procedures = 27, calls = 131, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 761 [2023-11-21 16:59:02,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:59:02,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:59:02,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:59:02,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:59:02,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02" (1/1) ... [2023-11-21 16:59:02,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02" (1/1) ... [2023-11-21 16:59:02,198 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:02" (1/1) ... [2023-11-21 16:59:02,206 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.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 16:59:02,209 INFO L158 Benchmark]: Toolchain (without parser) took 428.88ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 30.3MB in the beginning and 51.3MB in the end (delta: -21.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-21 16:59:02,210 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:59:02,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.81ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 57.2MB in the end (delta: -27.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-21 16:59:02,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.37ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 16:59:02,211 INFO L158 Benchmark]: Boogie Preprocessor took 22.57ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 51.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:59:02,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.81ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 57.2MB in the end (delta: -27.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.37ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 52.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.57ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 51.3MB in the end (delta: 1.4MB). 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/weaver/parallel-ticket-8.wvr.c -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 e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:59:03,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:59:03,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2023-11-21 16:59:03,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:59:03,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:59:03,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:59:03,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:59:03,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:59:03,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:59:03,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:59:03,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:59:03,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:59:03,835 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:59:03,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:59:03,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:59:03,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:59:03,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:59:03,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:59:03,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:59:03,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:59:03,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:59:03,839 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:59:03,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 16:59:03,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 16:59:03,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:59:03,840 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:59:03,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:59:03,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:59:03,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:59:03,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:59:03,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:59:03,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:59:03,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:59:03,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:59:03,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:59:03,843 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 16:59:03,843 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 16:59:03,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:59:03,843 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:59:03,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:59:03,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:59:03,844 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:59:03,845 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:59:03,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 16:59:03,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:59:04,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:59:04,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:59:04,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:59:04,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:59:04,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:59:04,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-11-21 16:59:05,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:59:05,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:59:05,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-11-21 16:59:05,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16749401d/bfaa96b794dc470f9bafa65ae2c6ad5f/FLAG18bf7df5e [2023-11-21 16:59:05,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16749401d/bfaa96b794dc470f9bafa65ae2c6ad5f [2023-11-21 16:59:05,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:59:05,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:59:05,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:59:05,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:59:05,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:59:05,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6e8d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05, skipping insertion in model container [2023-11-21 16:59:05,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:59:05,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:59:05,653 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:59:05,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:59:05,717 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:59:05,717 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 16:59:05,722 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:59:05,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05 WrapperNode [2023-11-21 16:59:05,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:59:05,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:59:05,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:59:05,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:59:05,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,789 INFO L138 Inliner]: procedures = 29, calls = 131, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 750 [2023-11-21 16:59:05,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:59:05,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:59:05,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:59:05,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:59:05,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,809 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:05" (1/1) ... [2023-11-21 16:59:05,834 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.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 16:59:05,837 INFO L158 Benchmark]: Toolchain (without parser) took 442.96ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 37.1MB in the end (delta: 3.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-21 16:59:05,838 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 52.4MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:59:05,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.47ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 42.8MB in the end (delta: -2.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-21 16:59:05,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 38.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 16:59:05,839 INFO L158 Benchmark]: Boogie Preprocessor took 42.42ms. Allocated memory is still 69.2MB. Free memory was 38.6MB in the beginning and 37.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:59:05,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 52.4MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.47ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 42.8MB in the end (delta: -2.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 38.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.42ms. Allocated memory is still 69.2MB. Free memory was 38.6MB in the beginning and 37.1MB in the end (delta: 1.5MB). 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