./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem09_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem09_label06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 939f9ba643e48f1f474d915c8f8f8fe744934de4eaf7962f6fa7e257fcdf850d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 01:33:30,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 01:33:30,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 01:33:30,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 01:33:30,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 01:33:30,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 01:33:30,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 01:33:30,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 01:33:30,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 01:33:30,486 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 01:33:30,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 01:33:30,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 01:33:30,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 01:33:30,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 01:33:30,489 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 01:33:30,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 01:33:30,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 01:33:30,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 01:33:30,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 01:33:30,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 01:33:30,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 01:33:30,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 01:33:30,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 01:33:30,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 01:33:30,491 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 939f9ba643e48f1f474d915c8f8f8fe744934de4eaf7962f6fa7e257fcdf850d [2025-03-08 01:33:30,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 01:33:30,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 01:33:30,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 01:33:30,709 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 01:33:30,709 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 01:33:30,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem09_label06.c [2025-03-08 01:33:31,770 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93772c9d/fd34a4ec4a5449c0ba6a553952d2948b/FLAGb63f8365d [2025-03-08 01:33:33,331 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 01:33:33,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label06.c [2025-03-08 01:33:33,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93772c9d/fd34a4ec4a5449c0ba6a553952d2948b/FLAGb63f8365d [2025-03-08 01:33:33,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93772c9d/fd34a4ec4a5449c0ba6a553952d2948b [2025-03-08 01:33:33,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 01:33:33,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 01:33:33,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 01:33:33,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 01:33:33,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 01:33:33,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:33:33" (1/1) ... [2025-03-08 01:33:33,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfa8e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:33:33, skipping insertion in model container [2025-03-08 01:33:33,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:33:33" (1/1) ... [2025-03-08 01:33:34,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 01:33:50,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label06.c[6301618,6301631] [2025-03-08 01:33:50,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 01:33:50,216 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 01:33:57,515 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label06.c[6301618,6301631] [2025-03-08 01:33:57,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 01:34:00,146 INFO L204 MainTranslator]: Completed translation [2025-03-08 01:34:00,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00 WrapperNode [2025-03-08 01:34:00,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 01:34:00,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 01:34:00,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 01:34:00,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 01:34:00,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:00,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:03,825 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197890 [2025-03-08 01:34:03,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 01:34:03,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 01:34:03,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 01:34:03,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 01:34:03,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:03,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:04,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:04,830 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 01:34:04,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:04,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:06,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:06,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:06,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:06,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:07,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 01:34:07,046 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 01:34:07,046 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 01:34:07,046 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 01:34:07,048 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:34:00" (1/1) ... [2025-03-08 01:34:07,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 01:34:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 01:34:07,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 01:34:07,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 01:34:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 01:34:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 01:34:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 01:34:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 01:34:07,220 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 01:34:07,222 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation