./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem09_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem09_label01.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c898dde2039202f04c4dab8e6074588b2a1408de50320b63b626be00690d261e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 17:49:58,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 17:49:58,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 17:49:58,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 17:49:58,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 17:49:58,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 17:49:58,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 17:49:58,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 17:49:58,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 17:49:58,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 17:49:58,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 17:49:58,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 17:49:58,598 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 17:49:58,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 17:49:58,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 17:49:58,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 17:49:58,601 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 17:49:58,602 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 17:49:58,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 17:49:58,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 17:49:58,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 17:49:58,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 17:49:58,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 17:49:58,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 17:49:58,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 17:49:58,604 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-jdk21/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 -> c898dde2039202f04c4dab8e6074588b2a1408de50320b63b626be00690d261e [2025-02-07 17:49:58,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 17:49:58,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 17:49:58,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 17:49:58,897 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 17:49:58,898 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 17:49:58,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem09_label01.c [2025-02-07 17:50:00,221 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/92c3b0679/29fd125a65f94e3d89c85e78d893ca79/FLAG79540fdb7 [2025-02-07 17:50:02,357 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 17:50:02,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label01.c [2025-02-07 17:50:02,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/92c3b0679/29fd125a65f94e3d89c85e78d893ca79/FLAG79540fdb7 [2025-02-07 17:50:02,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/92c3b0679/29fd125a65f94e3d89c85e78d893ca79 [2025-02-07 17:50:02,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 17:50:02,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 17:50:02,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 17:50:02,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 17:50:02,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 17:50:02,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 05:50:02" (1/1) ... [2025-02-07 17:50:02,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203c7686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:02, skipping insertion in model container [2025-02-07 17:50:02,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 05:50:02" (1/1) ... [2025-02-07 17:50:03,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 17:50:20,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label01.c[6308788,6308801] [2025-02-07 17:50:20,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 17:50:20,405 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 17:50:28,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label01.c[6308788,6308801] [2025-02-07 17:50:28,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 17:50:32,079 INFO L204 MainTranslator]: Completed translation [2025-02-07 17:50:32,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32 WrapperNode [2025-02-07 17:50:32,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 17:50:32,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 17:50:32,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 17:50:32,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 17:50:32,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:32,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:36,678 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197890 [2025-02-07 17:50:36,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 17:50:36,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 17:50:36,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 17:50:36,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 17:50:36,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:36,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:37,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:37,864 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]. [2025-02-07 17:50:37,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:37,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:39,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:39,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:39,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:39,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:41,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 17:50:41,183 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 17:50:41,183 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 17:50:41,183 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 17:50:41,184 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:50:32" (1/1) ... [2025-02-07 17:50:41,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 17:50:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 17:50:41,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 17:50:41,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 17:50:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 17:50:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 17:50:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 17:50:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 17:50:41,486 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 17:50:41,488 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation