./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sync01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:36,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:36,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:16:36,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:36,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:36,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:36,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:36,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:36,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:36,182 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:36,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:36,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:36,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:36,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:36,186 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:36,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:36,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:36,188 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:16:36,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:16:36,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:16:36,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:36,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:36,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:36,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:36,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:16:36,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:36,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:36,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:36,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:36,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:16:36,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:36,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:36,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:36,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:36,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:36,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:16:36,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:16:36,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:36,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:36,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:36,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:36,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:36,199 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2023-11-21 22:16:36,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:36,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:36,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:36,533 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:36,533 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:36,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread/sync01.i [2023-11-21 22:16:39,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:40,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:40,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i [2023-11-21 22:16:40,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/33e12217e/f6674bc1f6914aebbc000ab192f4ffa1/FLAG6327b5af9 [2023-11-21 22:16:40,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/33e12217e/f6674bc1f6914aebbc000ab192f4ffa1 [2023-11-21 22:16:40,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:40,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:40,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:40,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:40,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:40,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abdb8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40, skipping insertion in model container [2023-11-21 22:16:40,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:40,698 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2023-11-21 22:16:40,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:40,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:40,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2023-11-21 22:16:40,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:40,861 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:40,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40 WrapperNode [2023-11-21 22:16:40,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:40,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:40,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:40,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:40,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,950 INFO L138 Inliner]: procedures = 269, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2023-11-21 22:16:40,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:40,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:40,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:40,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:40,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,981 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:40" (1/1) ... [2023-11-21 22:16:40,988 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:116) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:102) 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 22:16:41,000 INFO L158 Benchmark]: Toolchain (without parser) took 948.06ms. Allocated memory is still 125.8MB. Free memory was 86.7MB in the beginning and 91.5MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:41,000 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:41,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.22ms. Allocated memory is still 125.8MB. Free memory was 86.7MB in the beginning and 95.4MB in the end (delta: -8.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-21 22:16:41,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.61ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:41,003 INFO L158 Benchmark]: Boogie Preprocessor took 46.94ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:41,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.22ms. Allocated memory is still 125.8MB. Free memory was 86.7MB in the beginning and 95.4MB in the end (delta: -8.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.61ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.94ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). 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: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sync01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:43,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:43,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:16:43,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:43,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:43,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:43,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:43,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:43,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:43,706 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:43,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:43,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:43,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:43,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:43,711 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:43,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:43,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:43,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:16:43,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:16:43,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:43,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:43,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:43,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:43,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:16:43,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:16:43,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:16:43,718 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:16:43,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:43,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:43,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:43,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:43,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:16:43,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:43,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:43,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:43,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:43,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:43,723 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:16:43,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:16:43,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:43,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:43,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:43,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:43,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:43,726 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:16:43,726 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2023-11-21 22:16:44,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:44,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:44,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:44,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:44,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:44,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread/sync01.i [2023-11-21 22:16:47,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:47,850 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:47,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i [2023-11-21 22:16:47,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/889c02988/da0b392726644183a75db47e3055f442/FLAG315cc3c8a [2023-11-21 22:16:47,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/bin/uautomizer-verify-bycVGegfSx/data/889c02988/da0b392726644183a75db47e3055f442 [2023-11-21 22:16:47,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:47,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:47,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:47,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:47,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:47,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:47" (1/1) ... [2023-11-21 22:16:47,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72726508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47, skipping insertion in model container [2023-11-21 22:16:47,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:47" (1/1) ... [2023-11-21 22:16:47,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:48,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2023-11-21 22:16:48,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:48,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:48,706 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fcf4cb8-69de-4862-8b8d-9d55b7601ec4/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2023-11-21 22:16:48,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:48,811 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:48,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48 WrapperNode [2023-11-21 22:16:48,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:48,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:48,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:48,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:48,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48" (1/1) ... [2023-11-21 22:16:48,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48" (1/1) ... [2023-11-21 22:16:48,939 INFO L138 Inliner]: procedures = 273, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2023-11-21 22:16:48,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:48,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:48,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:48,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:48,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48" (1/1) ... [2023-11-21 22:16:48,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48" (1/1) ... [2023-11-21 22:16:48,958 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:48" (1/1) ... [2023-11-21 22:16:48,966 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:116) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:102) 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 22:16:48,974 INFO L158 Benchmark]: Toolchain (without parser) took 1084.10ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 87.6MB in the end (delta: -528.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:48,977 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:48,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.56ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 56.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.33ms. Allocated memory is still 113.2MB. Free memory was 56.7MB in the beginning and 89.0MB in the end (delta: -32.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-21 22:16:48,980 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:48,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.56ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 56.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.33ms. Allocated memory is still 113.2MB. Free memory was 56.7MB in the beginning and 89.0MB in the end (delta: -32.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). There was no memory consumed. 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