./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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 5dc0e184171498e703ccf08545f4f79d3c1c383c8c0fc13a1f35990befb669a4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:14,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:14,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:14,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:14,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:15,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:15,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:15,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:15,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:15,042 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:15,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:15,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:15,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:15,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:15,047 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:15,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:15,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:15,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:15,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:15,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:15,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:15,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:15,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:15,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:15,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:15,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:15,052 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:15,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:15,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:15,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:15,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:15,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:15,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:15,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:15,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:15,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:15,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:15,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:15,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:15,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:15,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:15,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:15,059 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dc0e184171498e703ccf08545f4f79d3c1c383c8c0fc13a1f35990befb669a4 [2023-11-21 22:26:15,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:15,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:15,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:15,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:15,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:15,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i [2023-11-21 22:26:18,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:18,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:18,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i [2023-11-21 22:26:18,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/d66b93fc5/abb37ea0a84c4752bef028059cbbbaa9/FLAG89b1ca946 [2023-11-21 22:26:18,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/d66b93fc5/abb37ea0a84c4752bef028059cbbbaa9 [2023-11-21 22:26:18,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:18,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:18,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:18,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:18,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:18,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:18" (1/1) ... [2023-11-21 22:26:18,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303354bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:18, skipping insertion in model container [2023-11-21 22:26:18,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:18" (1/1) ... [2023-11-21 22:26:18,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:19,125 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i[296,309] [2023-11-21 22:26:19,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:19,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:19,312 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i[296,309] [2023-11-21 22:26:19,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:19,391 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:19,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19 WrapperNode [2023-11-21 22:26:19,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:19,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:19,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:19,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:19,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19" (1/1) ... [2023-11-21 22:26:19,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19" (1/1) ... [2023-11-21 22:26:19,442 INFO L138 Inliner]: procedures = 126, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-21 22:26:19,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:19,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:19,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:19,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:19,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19" (1/1) ... [2023-11-21 22:26:19,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19" (1/1) ... [2023-11-21 22:26:19,460 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:19" (1/1) ... [2023-11-21 22:26:19,473 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 22:26:19,483 INFO L158 Benchmark]: Toolchain (without parser) took 604.19ms. Allocated memory is still 180.4MB. Free memory was 136.4MB in the beginning and 115.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:26:19,484 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 180.4MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:19,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.02ms. Allocated memory is still 180.4MB. Free memory was 136.4MB in the beginning and 118.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:26:19,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.58ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:19,486 INFO L158 Benchmark]: Boogie Preprocessor took 37.73ms. Allocated memory is still 180.4MB. Free memory was 116.8MB in the beginning and 115.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:19,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 180.4MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.02ms. Allocated memory is still 180.4MB. Free memory was 136.4MB in the beginning and 118.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.58ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.73ms. Allocated memory is still 180.4MB. Free memory was 116.8MB in the beginning and 115.4MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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 5dc0e184171498e703ccf08545f4f79d3c1c383c8c0fc13a1f35990befb669a4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:22,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:22,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:26:22,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:22,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:22,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:22,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:22,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:22,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:22,370 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:22,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:22,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:22,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:22,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:22,372 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:22,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:22,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:22,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:22,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:22,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:22,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:22,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:22,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:22,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:26:22,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:26:22,377 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:26:22,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:22,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:22,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:22,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:22,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:22,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:22,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:22,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:22,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:22,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:22,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:22,383 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:26:22,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:26:22,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:22,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:22,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:22,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:22,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:22,386 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:26:22,386 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dc0e184171498e703ccf08545f4f79d3c1c383c8c0fc13a1f35990befb669a4 [2023-11-21 22:26:22,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:22,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:22,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:22,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:22,872 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:22,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i [2023-11-21 22:26:26,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:26,356 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:26,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i [2023-11-21 22:26:26,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/3bed1b3a5/d7e000a1078c4f8c8a65994b25c3156b/FLAGffcbb3d59 [2023-11-21 22:26:26,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/bin/uautomizer-verify-bycVGegfSx/data/3bed1b3a5/d7e000a1078c4f8c8a65994b25c3156b [2023-11-21 22:26:26,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:26,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:26,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:26,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:26,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:26,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:26" (1/1) ... [2023-11-21 22:26:26,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726a288b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:26, skipping insertion in model container [2023-11-21 22:26:26,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:26" (1/1) ... [2023-11-21 22:26:26,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:26,719 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i[296,309] [2023-11-21 22:26:26,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:26,985 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:27,004 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_e05d0cb4-aca0-41b1-948f-3198e0b8a39c/sv-benchmarks/c/ldv-regression/rule60_list2.c_1.i[296,309] [2023-11-21 22:26:27,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:27,133 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:27,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27 WrapperNode [2023-11-21 22:26:27,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:27,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:27,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:27,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:27,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27" (1/1) ... [2023-11-21 22:26:27,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27" (1/1) ... [2023-11-21 22:26:27,209 INFO L138 Inliner]: procedures = 127, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-21 22:26:27,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:27,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:27,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:27,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:27,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27" (1/1) ... [2023-11-21 22:26:27,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27" (1/1) ... [2023-11-21 22:26:27,245 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:27" (1/1) ... [2023-11-21 22:26:27,258 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 22:26:27,267 INFO L158 Benchmark]: Toolchain (without parser) took 860.70ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 57.2MB in the end (delta: 3.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-21 22:26:27,268 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:27,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 60.6MB in the end (delta: -26.6kB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-21 22:26:27,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.50ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:27,273 INFO L158 Benchmark]: Boogie Preprocessor took 53.58ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:27,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 60.6MB in the end (delta: -26.6kB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.50ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.58ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 57.2MB 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null