./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl --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 ecf04ade36172721271f30a45718a4ce8d302c73c1bdfb68c92a4dffecac9db3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:56,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:56,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:16:56,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:56,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:56,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:56,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:56,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:56,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:56,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:56,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:56,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:56,828 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:56,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:56,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:56,830 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:56,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:16:56,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:56,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:56,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:56,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:56,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:56,835 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:56,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:56,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:56,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:56,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:56,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:56,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:56,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:56,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:56,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:56,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:16:56,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:16:56,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:56,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:56,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:56,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:56,845 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:56,845 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_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecf04ade36172721271f30a45718a4ce8d302c73c1bdfb68c92a4dffecac9db3 [2023-11-12 02:16:57,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:57,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:57,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:57,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:57,198 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:57,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-programs/Problem102_label36.c [2023-11-12 02:17:00,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:04,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:04,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/sv-benchmarks/c/eca-programs/Problem102_label36.c [2023-11-12 02:17:04,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/data/7823ebb8f/561e6fe47c28407aaa5a0ac79a7ac1bd/FLAGefc4afe91 [2023-11-12 02:17:04,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df971ed4-5619-4ee7-9b63-c992124bf3ea/bin/uautomizer-verify-uTZkv6EMXl/data/7823ebb8f/561e6fe47c28407aaa5a0ac79a7ac1bd [2023-11-12 02:17:04,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:04,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:04,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:04,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:04,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:04,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:04" (1/1) ... [2023-11-12 02:17:04,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b4348b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:04, skipping insertion in model container [2023-11-12 02:17:04,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:04" (1/1) ... [2023-11-12 02:17:06,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:35,817 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_df971ed4-5619-4ee7-9b63-c992124bf3ea/sv-benchmarks/c/eca-programs/Problem102_label36.c[5717449,5717462] [2023-11-12 02:17:35,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:35,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:50,226 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_df971ed4-5619-4ee7-9b63-c992124bf3ea/sv-benchmarks/c/eca-programs/Problem102_label36.c[5717449,5717462] [2023-11-12 02:17:50,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:54,946 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:54,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:54 WrapperNode [2023-11-12 02:17:54,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:54,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:54,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:54,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:54,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:54" (1/1) ... [2023-11-12 02:17:56,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:54" (1/1) ...