./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU --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 27952e240b8855f5bd05db98239b64449ccb4711b9f561be3def90c36da78aab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:26,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:26,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:10:26,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:26,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:26,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:26,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:26,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:26,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:26,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:26,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:26,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:26,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:26,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:26,912 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:26,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:26,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:26,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:10:26,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:26,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:10:26,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:26,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:26,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:26,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:26,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:26,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:10:26,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:26,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:26,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:26,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:26,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:26,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:26,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:26,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:26,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:26,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:26,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:26,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:26,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:26,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:26,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:26,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:26,929 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_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27952e240b8855f5bd05db98239b64449ccb4711b9f561be3def90c36da78aab [2024-10-31 22:10:27,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:27,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:27,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:27,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:27,268 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:27,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-programs/Problem102_label02.c Unable to find full path for "g++" [2024-10-31 22:10:29,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:32,909 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:32,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/sv-benchmarks/c/eca-programs/Problem102_label02.c [2024-10-31 22:10:33,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/data/cf4372ecd/500908106b2740a7909ee3b919e8135a/FLAG0ac54d094 [2024-10-31 22:10:33,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac176042-e671-4f6d-a32a-a9be2bf1e40f/bin/uautomizer-verify-4GaUIPS5ZU/data/cf4372ecd/500908106b2740a7909ee3b919e8135a [2024-10-31 22:10:33,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:33,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:33,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:33,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:33,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:33,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:33" (1/1) ... [2024-10-31 22:10:33,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd3f1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:33, skipping insertion in model container [2024-10-31 22:10:33,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:33" (1/1) ... [2024-10-31 22:10:35,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:01,170 WARN L251 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_ac176042-e671-4f6d-a32a-a9be2bf1e40f/sv-benchmarks/c/eca-programs/Problem102_label02.c[5707504,5707517] [2024-10-31 22:11:01,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:01,296 INFO L200 MainTranslator]: Completed pre-run