./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/recursified_loop-invariants/recursified_eq1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:43:51,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:43:51,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:43:51,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:43:51,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:43:51,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:43:51,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:43:51,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:43:51,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:43:51,887 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:43:51,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:43:51,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:43:51,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:43:51,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:43:51,887 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:43:51,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:43:51,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:43:51,889 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:43:51,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:43:51,889 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:43:51,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:43:51,890 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 ! overflow) ) 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 -> ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae [2025-03-09 02:43:52,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:43:52,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:43:52,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:43:52,135 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:43:52,135 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:43:52,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2025-03-09 02:43:53,274 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d351b61/df007e39017045ebb12dc10a9b275745/FLAG26a20a1f1 [2025-03-09 02:43:53,491 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:43:53,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2025-03-09 02:43:53,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d351b61/df007e39017045ebb12dc10a9b275745/FLAG26a20a1f1 [2025-03-09 02:43:53,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d351b61/df007e39017045ebb12dc10a9b275745 [2025-03-09 02:43:53,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:43:53,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:43:53,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:43:53,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:43:53,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:43:53,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729b956a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53, skipping insertion in model container [2025-03-09 02:43:53,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:43:53,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:43:53,677 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:43:53,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:43:53,696 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:43:53,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53 WrapperNode [2025-03-09 02:43:53,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:43:53,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:43:53,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:43:53,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:43:53,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,714 INFO L138 Inliner]: procedures = 15, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2025-03-09 02:43:53,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:43:53,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:43:53,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:43:53,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:43:53,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,734 INFO L175 MemorySlicer]: Split 26 memory accesses to 6 slices as follows [2, 6, 5, 4, 5, 4]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 6, 1, 1, 1, 1]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2025-03-09 02:43:53,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:43:53,744 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:43:53,744 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:43:53,744 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:43:53,745 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (1/1) ... [2025-03-09 02:43:53,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:43:53,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:43:53,768 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) [2025-03-09 02:43:53,770 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 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_20_0 [2025-03-09 02:43:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_20_0 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:43:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-09 02:43:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 02:43:53,843 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:43:53,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:43:53,965 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L63: call ULTIMATE.dealloc(main_~#w~0#1.base, main_~#w~0#1.offset);havoc main_~#w~0#1.base, main_~#w~0#1.offset;call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset;call ULTIMATE.dealloc(main_~#y~0#1.base, main_~#y~0#1.offset);havoc main_~#y~0#1.base, main_~#y~0#1.offset;call ULTIMATE.dealloc(main_~#z~0#1.base, main_~#z~0#1.offset);havoc main_~#z~0#1.base, main_~#z~0#1.offset; [2025-03-09 02:43:53,978 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-09 02:43:53,978 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:43:53,983 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:43:53,985 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:43:53,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:43:53 BoogieIcfgContainer [2025-03-09 02:43:53,986 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:43:53,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:43:53,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:43:53,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:43:53,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:43:53" (1/3) ... [2025-03-09 02:43:53,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82d895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:43:53, skipping insertion in model container [2025-03-09 02:43:53,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:43:53" (2/3) ... [2025-03-09 02:43:53,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82d895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:43:53, skipping insertion in model container [2025-03-09 02:43:53,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:43:53" (3/3) ... [2025-03-09 02:43:53,993 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_eq1.c [2025-03-09 02:43:54,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:43:54,004 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_eq1.c that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2025-03-09 02:43:54,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82d895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:43:54, skipping insertion in model container [2025-03-09 02:43:54,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:43:54,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:43:54,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:43:54,008 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:43:54,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:43:53" (3/3) ... [2025-03-09 02:43:54,010 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 02:43:54,014 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_20_0 [2025-03-09 02:43:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-09 02:43:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-09 02:43:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 02:43:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:43:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:43:54,073 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:43:54,073 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:43:54,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:43:54,077 INFO L158 Benchmark]: Toolchain (without parser) took 521.96ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 71.7MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 02:43:54,077 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:43:54,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.05ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:43:54,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.58ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:43:54,078 INFO L158 Benchmark]: Boogie Preprocessor took 28.54ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:43:54,078 INFO L158 Benchmark]: IcfgBuilder took 241.45ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 80.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:43:54,079 INFO L158 Benchmark]: TraceAbstraction took 19.83ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:43:54,079 INFO L158 Benchmark]: Witness Printer took 66.51ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 71.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:43:54,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.05ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.58ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.54ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 241.45ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 80.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19.83ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.51ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 71.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2025-03-09 02:43:54,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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