./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB --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 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:24:11,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:24:11,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:24:11,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:24:11,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:24:11,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:24:11,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:24:11,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:24:11,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:24:11,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:24:11,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:24:11,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:24:11,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:24:11,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:24:11,750 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:24:11,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:24:11,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:24:11,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:24:11,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:24:11,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:24:11,752 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:24:11,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:24:11,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:24:11,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:24:11,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:24:11,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:24:11,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:24:11,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:24:11,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:24:11,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:24:11,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:24:11,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:24:11,755 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 [2024-11-28 04:24:12,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:24:12,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:24:12,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:24:12,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:24:12,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:24:12,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/eca-rers2018/Problem17.c [2024-11-28 04:24:15,236 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/data/94a3ecb92/60a0dfb3823441e9b53c22d492d66632/FLAG707f026d5 [2024-11-28 04:24:19,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:24:19,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/sv-benchmarks/c/eca-rers2018/Problem17.c [2024-11-28 04:24:20,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/data/94a3ecb92/60a0dfb3823441e9b53c22d492d66632/FLAG707f026d5 [2024-11-28 04:24:20,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3d5dd-c9af-4986-b027-7252a18dd5da/bin/uautomizer-verify-aQ6SnzHsRB/data/94a3ecb92/60a0dfb3823441e9b53c22d492d66632 [2024-11-28 04:24:20,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:24:20,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:24:20,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:24:20,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:24:20,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:24:20,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:24:20" (1/1) ... [2024-11-28 04:24:20,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29af79c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:24:20, skipping insertion in model container [2024-11-28 04:24:20,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:24:20" (1/1) ... [2024-11-28 04:24:21,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:24:22,971 WARN L250 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_23a3d5dd-c9af-4986-b027-7252a18dd5da/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-11-28 04:24:23,136 WARN L250 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_23a3d5dd-c9af-4986-b027-7252a18dd5da/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-11-28 04:28:20,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:20,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:28:20,126 WARN L250 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_23a3d5dd-c9af-4986-b027-7252a18dd5da/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-11-28 04:28:20,126 WARN L250 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_23a3d5dd-c9af-4986-b027-7252a18dd5da/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-11-28 04:28:29,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:32,125 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:28:32,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:32 WrapperNode [2024-11-28 04:28:32,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:28:32,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:28:32,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:28:32,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:28:32,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:32" (1/1) ... [2024-11-28 04:28:35,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:32" (1/1) ...