./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/recursive_list.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/recursive_list.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:14:05,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:14:05,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:14:05,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:14:05,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:14:05,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:14:05,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:14:05,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:14:05,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:14:05,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:14:05,621 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:14:05,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:14:05,622 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:14:05,622 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:14:05,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:14:05,623 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:14:05,623 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:14:05,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:14:05,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:14:05,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:14:05,624 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:14:05,624 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) 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 -> 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 [2025-03-09 07:14:05,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:14:05,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:14:05,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:14:05,861 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:14:05,861 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:14:05,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/recursive_list.i [2025-03-09 07:14:06,986 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb824da/9e22104289ae46f8beac17c0ac918f0d/FLAG216fb1f00 [2025-03-09 07:14:07,218 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:14:07,224 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/recursive_list.i [2025-03-09 07:14:07,234 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb824da/9e22104289ae46f8beac17c0ac918f0d/FLAG216fb1f00 [2025-03-09 07:14:07,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb824da/9e22104289ae46f8beac17c0ac918f0d [2025-03-09 07:14:07,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:14:07,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:14:07,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:14:07,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:14:07,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:14:07,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f8c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07, skipping insertion in model container [2025-03-09 07:14:07,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:14:07,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:14:07,716 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:14:07,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:14:07,741 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:14:07,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07 WrapperNode [2025-03-09 07:14:07,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:14:07,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:14:07,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:14:07,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:14:07,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,781 INFO L138 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 68 [2025-03-09 07:14:07,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:14:07,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:14:07,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:14:07,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:14:07,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,807 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6]. [2025-03-09 07:14:07,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:14:07,827 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:14:07,827 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:14:07,827 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:14:07,828 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (1/1) ... [2025-03-09 07:14:07,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:14:07,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:14:07,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:14:07,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 07:14:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:14:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 07:14:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 07:14:07,938 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:14:07,940 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:14:08,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: havoc allocate_memory_#t~malloc4#1.base, allocate_memory_#t~malloc4#1.offset; [2025-03-09 07:14:08,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L22-2: havoc allocate_memory_#t~malloc4#1.base, allocate_memory_#t~malloc4#1.offset; [2025-03-09 07:14:08,083 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-03-09 07:14:08,084 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:14:08,093 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:14:08,093 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:14:08,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:14:08 BoogieIcfgContainer [2025-03-09 07:14:08,095 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:14:08,097 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:14:08,097 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:14:08,101 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:14:08,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:08,102 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:14:07" (1/3) ... [2025-03-09 07:14:08,103 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1099b812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:14:08, skipping insertion in model container [2025-03-09 07:14:08,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:08,104 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:14:07" (2/3) ... [2025-03-09 07:14:08,104 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1099b812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:14:08, skipping insertion in model container [2025-03-09 07:14:08,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:14:08,105 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:14:08" (3/3) ... [2025-03-09 07:14:08,106 INFO L363 chiAutomizerObserver]: Analyzing ICFG recursive_list.i [2025-03-09 07:14:08,146 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:14:08,146 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:14:08,146 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:14:08,146 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:14:08,146 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:14:08,146 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:14:08,146 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:14:08,146 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:14:08,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:14:08,162 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 07:14:08,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 07:14:08,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:14:08 BoogieIcfgContainer [2025-03-09 07:14:08,170 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:14:08,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:14:08,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:14:08,171 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:14:08,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:14:08" (3/4) ... [2025-03-09 07:14:08,172 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 07:14:08,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:14:08,176 INFO L158 Benchmark]: Toolchain (without parser) took 601.28ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 82.0MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 07:14:08,176 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:14:08,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.49ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 103.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:14:08,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.26ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:14:08,177 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:14:08,177 INFO L158 Benchmark]: IcfgBuilder took 269.65ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 87.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:14:08,179 INFO L158 Benchmark]: BuchiAutomizer took 72.61ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:14:08,179 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 82.0MB in the end (delta: 473.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:14:08,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.49ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 103.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.26ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 269.65ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 87.1MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 72.61ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 82.0MB in the end (delta: 473.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-09 07:14:08,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE