./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:14,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:14,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:57:14,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:14,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:14,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:14,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:14,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:14,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:14,195 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:14,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:14,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:14,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:14,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:14,200 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:14,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:14,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:14,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:14,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:14,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:14,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:14,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:14,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:14,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:14,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:14,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:14,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:14,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:14,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:14,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:57:14,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:14,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:14,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:14,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:14,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:14,210 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:14,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:57:14,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:14,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:14,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:14,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:14,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:14,212 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2023-11-21 20:57:14,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:14,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:14,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:14,481 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:14,481 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:14,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 20:57:17,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:17,786 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:17,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 20:57:17,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/7a89ab8cf/8a63568a2b55443a912f70fbfe7d7fda/FLAGba67157f6 [2023-11-21 20:57:17,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/7a89ab8cf/8a63568a2b55443a912f70fbfe7d7fda [2023-11-21 20:57:17,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:17,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:17,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:17,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:17,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:17,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:17" (1/1) ... [2023-11-21 20:57:17,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336143ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:17, skipping insertion in model container [2023-11-21 20:57:17,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:17" (1/1) ... [2023-11-21 20:57:17,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:18,107 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2505,2518] [2023-11-21 20:57:18,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:18,127 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:18,171 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2505,2518] [2023-11-21 20:57:18,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:18,194 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:18,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18 WrapperNode [2023-11-21 20:57:18,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:18,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:18,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:18,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:18,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18" (1/1) ... [2023-11-21 20:57:18,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18" (1/1) ... [2023-11-21 20:57:18,271 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-21 20:57:18,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:18,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:18,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:18,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:18,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18" (1/1) ... [2023-11-21 20:57:18,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18" (1/1) ... [2023-11-21 20:57:18,289 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:18" (1/1) ... [2023-11-21 20:57:18,312 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 20:57:18,318 INFO L158 Benchmark]: Toolchain (without parser) took 491.08ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 44.7MB in the beginning and 93.5MB in the end (delta: -48.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:18,318 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:18,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.49ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 44.5MB in the beginning and 96.5MB in the end (delta: -52.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-21 20:57:18,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.49ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 94.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:18,321 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 130.0MB. Free memory was 94.9MB in the beginning and 93.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 20:57:18,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.49ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 44.5MB in the beginning and 96.5MB in the end (delta: -52.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.49ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 94.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 130.0MB. Free memory was 94.9MB in the beginning and 93.5MB 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:20,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:21,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 20:57:21,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:21,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:21,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:21,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:21,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:21,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:21,070 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:21,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:21,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:21,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:21,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:21,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:21,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:21,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:21,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:21,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:21,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:21,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:21,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:21,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:21,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 20:57:21,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 20:57:21,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 20:57:21,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:21,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:21,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:21,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:21,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:21,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:57:21,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:21,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:21,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:21,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:21,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:21,086 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 20:57:21,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 20:57:21,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:21,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:21,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:21,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:21,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:21,088 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 20:57:21,088 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2023-11-21 20:57:21,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:21,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:21,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:21,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:21,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:21,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 20:57:24,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:24,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:24,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 20:57:24,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/482a92502/10388ed276ef4317b6dec50989f46023/FLAG6c950a2c1 [2023-11-21 20:57:24,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5bf5006-ca99-4aee-aa55-8d35ab678a04/bin/uautomizer-verify-bycVGegfSx/data/482a92502/10388ed276ef4317b6dec50989f46023 [2023-11-21 20:57:24,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:24,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:25,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:25,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:25,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:25,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:24" (1/1) ... [2023-11-21 20:57:25,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c10c6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25, skipping insertion in model container [2023-11-21 20:57:25,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:24" (1/1) ... [2023-11-21 20:57:25,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:25,292 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2505,2518] [2023-11-21 20:57:25,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:25,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:25,368 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_d5bf5006-ca99-4aee-aa55-8d35ab678a04/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2505,2518] [2023-11-21 20:57:25,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:25,390 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:25,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25 WrapperNode [2023-11-21 20:57:25,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:25,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:25,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:25,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:25,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25" (1/1) ... [2023-11-21 20:57:25,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25" (1/1) ... [2023-11-21 20:57:25,460 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-21 20:57:25,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:25,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:25,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:25,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:25,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25" (1/1) ... [2023-11-21 20:57:25,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25" (1/1) ... [2023-11-21 20:57:25,491 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:25" (1/1) ... [2023-11-21 20:57:25,500 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 20:57:25,507 INFO L158 Benchmark]: Toolchain (without parser) took 506.69ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 32.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 20:57:25,507 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:25,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.48ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 35.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 20:57:25,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.06ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:25,511 INFO L158 Benchmark]: Boogie Preprocessor took 42.89ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 32.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:25,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.48ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 35.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.06ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.89ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 32.1MB in the end (delta: 1.0MB). 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