./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:49,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:49,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:28:49,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:49,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:49,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:49,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:49,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:49,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:49,605 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:49,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:28:49,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:28:49,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:49,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:49,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:49,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:49,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:28:49,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:49,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:49,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:49,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:49,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:28:49,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:28:49,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:28:49,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:49,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:49,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:49,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:49,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:49,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:28:49,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:28:49,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:49,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:49,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:28:49,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:28:49,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:49,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:28:49,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:28:49,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:28:49,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:28:49,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:28:49,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:28:49,623 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2023-11-21 22:28:49,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:49,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:49,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:49,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:49,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:49,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-21 22:28:53,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:53,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:53,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-21 22:28:53,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/5d0d6c1da/cc8fd33fc12e4061b223fedbd78243d5/FLAGf9dfd7dbf [2023-11-21 22:28:53,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/5d0d6c1da/cc8fd33fc12e4061b223fedbd78243d5 [2023-11-21 22:28:53,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:53,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:53,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:53,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:53,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:53,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c0e4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53, skipping insertion in model container [2023-11-21 22:28:53,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:53,586 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2361,2374] [2023-11-21 22:28:53,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:53,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:53,638 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2361,2374] [2023-11-21 22:28:53,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:53,656 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:53,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53 WrapperNode [2023-11-21 22:28:53,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:53,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:53,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:53,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:53,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,699 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-21 22:28:53,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:53,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:53,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:53,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:53,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,715 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,725 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 22:28:53,739 INFO L158 Benchmark]: Toolchain (without parser) took 379.77ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 99.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:28:53,739 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:53,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.20ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 102.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:28:53,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.79ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:53,742 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:28:53,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.20ms. Allocated memory is still 146.8MB. Free memory was 114.5MB in the beginning and 102.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.79ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 101.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:56,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:56,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:28:56,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:56,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:56,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:56,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:56,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:56,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:56,545 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:56,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:28:56,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:28:56,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:56,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:56,550 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:56,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:56,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:28:56,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:56,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:56,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:56,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:28:56,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:28:56,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:28:56,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:28:56,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:28:56,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:28:56,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:56,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:56,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:56,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:56,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:56,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:28:56,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:28:56,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:56,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:56,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:28:56,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:28:56,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:28:56,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:28:56,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:28:56,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:28:56,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:28:56,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:28:56,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:28:56,565 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:28:56,565 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2023-11-21 22:28:56,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:57,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:57,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:57,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:57,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:57,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-21 22:29:00,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:00,422 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:00,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-21 22:29:00,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/c392c8974/99c26eb23eb54cff92e33c56f107403d/FLAGfd2f6463a [2023-11-21 22:29:00,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/bin/uautomizer-verify-bycVGegfSx/data/c392c8974/99c26eb23eb54cff92e33c56f107403d [2023-11-21 22:29:00,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:00,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:00,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:00,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:00,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:00,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e777420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00, skipping insertion in model container [2023-11-21 22:29:00,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,509 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:00,777 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2361,2374] [2023-11-21 22:29:00,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:00,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:00,841 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_af1ecb98-6bf9-4db4-89ae-5b9b25154e93/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2361,2374] [2023-11-21 22:29:00,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:00,865 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:00,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00 WrapperNode [2023-11-21 22:29:00,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:00,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:00,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:00,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:00,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,940 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-21 22:29:00,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:00,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:00,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:00,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:00,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,975 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:00" (1/1) ... [2023-11-21 22:29:00,985 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 22:29:00,993 INFO L158 Benchmark]: Toolchain (without parser) took 527.69ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 42.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:00,994 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:00,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.13ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:29:00,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.73ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:00,997 INFO L158 Benchmark]: Boogie Preprocessor took 47.76ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 42.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:01,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.13ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.73ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.76ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 42.6MB in the end (delta: 1.1MB). 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