./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label27.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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/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 3c426258a989d538ec622e001ffea99d52067f3990d5aab8afd6979e5b35229c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:55,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:56,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:59:56,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:56,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:56,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:56,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:56,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:56,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:56,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:56,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:56,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:56,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:56,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:56,168 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:56,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:56,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:56,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:56,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:56,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:56,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:56,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:56,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:56,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:56,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:56,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:56,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:56,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:56,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:56,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:56,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:56,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:56,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:56,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:56,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:56,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:56,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:56,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:56,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:56,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:56,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:56,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:56,185 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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c426258a989d538ec622e001ffea99d52067f3990d5aab8afd6979e5b35229c [2024-10-31 21:59:56,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:56,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:56,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:56,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:56,590 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:56,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-rers2012/Problem07_label27.c Unable to find full path for "g++" [2024-10-31 21:59:59,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:01,639 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:01,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/sv-benchmarks/c/eca-rers2012/Problem07_label27.c [2024-10-31 22:00:01,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/data/bc8b62cac/ef49d9aca8e648d9ac990fb5c2812510/FLAG0d52e31d6 [2024-10-31 22:00:01,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/bin/uautomizer-verify-4GaUIPS5ZU/data/bc8b62cac/ef49d9aca8e648d9ac990fb5c2812510 [2024-10-31 22:00:01,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:01,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:01,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:01,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:01,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:01,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:01" (1/1) ... [2024-10-31 22:00:01,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414e7618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:01, skipping insertion in model container [2024-10-31 22:00:01,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:01" (1/1) ... [2024-10-31 22:00:03,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:18,135 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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/sv-benchmarks/c/eca-rers2012/Problem07_label27.c[2771714,2771727] [2024-10-31 22:00:18,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:18,223 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:25,790 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_25f09e10-ca1b-44a2-8c80-83eedc9dd48b/sv-benchmarks/c/eca-rers2012/Problem07_label27.c[2771714,2771727] [2024-10-31 22:00:25,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:26,435 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:26,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:26 WrapperNode [2024-10-31 22:00:26,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:26,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:26,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:26,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:26,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:26" (1/1) ... [2024-10-31 22:00:27,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:26" (1/1) ...