./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label50.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_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/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_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/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_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/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 df4e6834a975618f5924374d3f1d979ed2bd9fa19f3d01528913dee294570a6e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:30,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:30,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:11:30,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:30,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:30,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:30,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:30,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:30,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:30,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:30,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:30,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:30,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:30,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:30,516 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:30,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:30,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:30,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:11:30,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:30,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:11:30,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:30,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:30,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:30,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:30,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:30,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:11:30,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:30,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:30,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:30,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:30,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:30,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:30,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:30,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:30,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:30,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:30,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:30,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:30,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:30,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:30,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:30,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:30,532 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_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4e6834a975618f5924374d3f1d979ed2bd9fa19f3d01528913dee294570a6e [2024-10-31 22:11:30,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:30,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:30,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:30,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:30,877 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:30,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-programs/Problem102_label50.c Unable to find full path for "g++" [2024-10-31 22:11:32,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:36,129 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:36,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/sv-benchmarks/c/eca-programs/Problem102_label50.c [2024-10-31 22:11:36,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/data/bdae2ecc8/fbdfa68348834d38a7fe5f2702a60700/FLAGbd867b941 [2024-10-31 22:11:36,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/bin/uautomizer-verify-4GaUIPS5ZU/data/bdae2ecc8/fbdfa68348834d38a7fe5f2702a60700 [2024-10-31 22:11:36,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:36,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:36,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:36,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:36,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:36,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:36" (1/1) ... [2024-10-31 22:11:36,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a162738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:36, skipping insertion in model container [2024-10-31 22:11:36,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:36" (1/1) ... [2024-10-31 22:11:38,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:07,870 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_2d39aed3-62d0-4b1f-9649-cca45fcc05dc/sv-benchmarks/c/eca-programs/Problem102_label50.c[5708512,5708525] [2024-10-31 22:12:08,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:08,029 INFO L200 MainTranslator]: Completed pre-run