./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list2.i --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_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/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_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/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_73dfd18c-6812-416e-b401-551b0a818404/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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:52,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:52,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:52,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:52,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:52,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:52,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:52,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:52,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:52,674 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:52,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:52,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:52,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:52,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:52,678 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:52,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:52,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:52,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:52,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:52,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:52,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:52,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:52,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:52,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:52,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:52,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:52,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:52,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:52,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:52,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:52,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:52,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:52,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:52,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:52,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:52,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:52,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:52,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:52,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:52,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:52,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:52,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:52,694 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_73dfd18c-6812-416e-b401-551b0a818404/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 [2023-11-21 22:25:53,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:53,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:53,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:53,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:53,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:53,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-21 22:25:56,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:56,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:56,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-21 22:25:56,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/98808b173/b03e043bf1ad4607a8219ca7768c0b66/FLAG3b36a1b9e [2023-11-21 22:25:56,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/98808b173/b03e043bf1ad4607a8219ca7768c0b66 [2023-11-21 22:25:56,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:56,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:56,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:56,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:56,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:56,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:56" (1/1) ... [2023-11-21 22:25:56,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@910b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:56, skipping insertion in model container [2023-11-21 22:25:56,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:56" (1/1) ... [2023-11-21 22:25:56,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:57,077 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_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2023-11-21 22:25:57,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:57,254 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:57,268 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_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2023-11-21 22:25:57,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:57,368 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:57,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57 WrapperNode [2023-11-21 22:25:57,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:57,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:57,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:57,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:57,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57" (1/1) ... [2023-11-21 22:25:57,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57" (1/1) ... [2023-11-21 22:25:57,435 INFO L138 Inliner]: procedures = 126, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-21 22:25:57,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:57,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:57,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:57,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:57,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57" (1/1) ... [2023-11-21 22:25:57,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57" (1/1) ... [2023-11-21 22:25:57,458 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:57" (1/1) ... [2023-11-21 22:25:57,471 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.NullPointerException at java.base/java.util.Objects.requireNonNull(Objects.java:221) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.getMemorySliceNumberFromPointer(HeapArrayReplacer.java:270) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.processStatement(HeapArrayReplacer.java:143) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processStatements(BoogieTransformer.java:342) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processBody(BoogieTransformer.java:283) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processDeclaration(BoogieTransformer.java:157) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.processDeclaration(HeapArrayReplacer.java:81) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:179) 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 22:25:57,476 INFO L158 Benchmark]: Toolchain (without parser) took 761.92ms. Allocated memory is still 178.3MB. Free memory was 141.3MB in the beginning and 136.4MB in the end (delta: 4.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-11-21 22:25:57,477 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:57,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.73ms. Allocated memory is still 178.3MB. Free memory was 141.3MB in the beginning and 139.8MB in the end (delta: 1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:25:57,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.90ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:57,479 INFO L158 Benchmark]: Boogie Preprocessor took 36.46ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 136.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:57,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.73ms. Allocated memory is still 178.3MB. Free memory was 141.3MB in the beginning and 139.8MB in the end (delta: 1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.90ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.46ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 136.4MB 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: NullPointerException: null de.uni_freiburg.informatik.ultimate.boogie.preprocessor: NullPointerException: null: java.base/java.util.Objects.requireNonNull(Objects.java:221) 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_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/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_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/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_73dfd18c-6812-416e-b401-551b0a818404/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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:00,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:00,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:26:00,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:00,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:00,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:00,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:00,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:00,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:00,593 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:00,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:00,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:00,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:00,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:00,598 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:00,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:00,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:00,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:00,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:00,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:00,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:00,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:00,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:00,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:26:00,605 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:26:00,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:26:00,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:00,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:00,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:00,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:00,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:00,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:00,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:00,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:00,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:00,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:00,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:00,614 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:26:00,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:26:00,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:00,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:00,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:00,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:00,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:00,617 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:26:00,617 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_73dfd18c-6812-416e-b401-551b0a818404/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 [2023-11-21 22:26:01,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:01,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:01,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:01,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:01,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:01,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-21 22:26:04,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:04,875 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:04,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i [2023-11-21 22:26:04,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/136f94b1c/93ffd940567a4e84af5f1058638b3fe5/FLAGf901ebd1f [2023-11-21 22:26:04,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dfd18c-6812-416e-b401-551b0a818404/bin/uautomizer-verify-bycVGegfSx/data/136f94b1c/93ffd940567a4e84af5f1058638b3fe5 [2023-11-21 22:26:04,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:04,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:04,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:04,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:04,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:04,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:04" (1/1) ... [2023-11-21 22:26:04,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221ca928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:04, skipping insertion in model container [2023-11-21 22:26:04,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:04" (1/1) ... [2023-11-21 22:26:05,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:05,211 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_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2023-11-21 22:26:05,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:05,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:05,466 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_73dfd18c-6812-416e-b401-551b0a818404/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2023-11-21 22:26:05,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:05,574 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:05,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05 WrapperNode [2023-11-21 22:26:05,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:05,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:05,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:05,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:05,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05" (1/1) ... [2023-11-21 22:26:05,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05" (1/1) ... [2023-11-21 22:26:05,642 INFO L138 Inliner]: procedures = 127, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-21 22:26:05,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:05,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:05,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:05,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:05,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05" (1/1) ... [2023-11-21 22:26:05,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05" (1/1) ... [2023-11-21 22:26:05,670 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:05" (1/1) ... [2023-11-21 22:26:05,690 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.NullPointerException at java.base/java.util.Objects.requireNonNull(Objects.java:221) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.getMemorySliceNumberFromPointer(HeapArrayReplacer.java:270) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.processStatement(HeapArrayReplacer.java:143) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processStatements(BoogieTransformer.java:342) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processBody(BoogieTransformer.java:283) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processDeclaration(BoogieTransformer.java:157) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapArrayReplacer.processDeclaration(HeapArrayReplacer.java:81) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:179) 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 22:26:05,695 INFO L158 Benchmark]: Toolchain (without parser) took 765.87ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 61.6MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:26:05,696 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:05,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.30ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 65.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:26:05,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 109.1MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:05,699 INFO L158 Benchmark]: Boogie Preprocessor took 50.77ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:05,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.30ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 65.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 109.1MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.77ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.boogie.preprocessor: NullPointerException: null: java.base/java.util.Objects.requireNonNull(Objects.java:221) 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: NullPointerException: null