./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 551b0097 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9c9c032ca120503dfa93615a57a0bb47775014248f579f3a3fd38a4985b2298b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:48:22,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:48:22,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-01-09 22:48:22,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:48:22,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:48:22,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:48:22,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:48:22,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:48:22,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:48:22,423 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:48:22,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:48:22,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:48:22,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:48:22,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:48:22,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:48:22,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:48:22,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:48:22,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:48:22,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:48:22,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:48:22,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:48:22,426 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c9c032ca120503dfa93615a57a0bb47775014248f579f3a3fd38a4985b2298b [2025-01-09 22:48:22,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:48:22,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:48:22,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:48:22,666 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:48:22,666 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:48:22,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2025-01-09 22:48:23,836 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5546f4abf/446fa27feead47129d2fcfbdee0abdcb/FLAG4b27d8bdb [2025-01-09 22:48:24,063 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:48:24,064 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2025-01-09 22:48:24,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5546f4abf/446fa27feead47129d2fcfbdee0abdcb/FLAG4b27d8bdb [2025-01-09 22:48:24,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5546f4abf/446fa27feead47129d2fcfbdee0abdcb [2025-01-09 22:48:24,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:48:24,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:48:24,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:48:24,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:48:24,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:48:24,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad8215f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24, skipping insertion in model container [2025-01-09 22:48:24,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:48:24,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:48:24,214 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 22:48:24,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:48:24,232 INFO L204 MainTranslator]: Completed translation [2025-01-09 22:48:24,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24 WrapperNode [2025-01-09 22:48:24,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:48:24,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 22:48:24,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 22:48:24,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 22:48:24,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,252 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2025-01-09 22:48:24,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 22:48:24,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 22:48:24,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 22:48:24,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 22:48:24,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,266 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-09 22:48:24,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 22:48:24,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 22:48:24,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 22:48:24,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 22:48:24,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (1/1) ... [2025-01-09 22:48:24,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:48:24,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:48:24,300 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) [2025-01-09 22:48:24,305 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 [2025-01-09 22:48:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2025-01-09 22:48:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2025-01-09 22:48:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2025-01-09 22:48:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2025-01-09 22:48:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 22:48:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 22:48:24,360 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 22:48:24,361 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 22:48:24,457 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2025-01-09 22:48:24,457 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 22:48:24,465 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 22:48:24,465 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 22:48:24,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:48:24 BoogieIcfgContainer [2025-01-09 22:48:24,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 22:48:24,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 22:48:24,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 22:48:24,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 22:48:24,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 10:48:24" (1/3) ... [2025-01-09 22:48:24,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fbb86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:48:24, skipping insertion in model container [2025-01-09 22:48:24,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:48:24" (2/3) ... [2025-01-09 22:48:24,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fbb86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:48:24, skipping insertion in model container [2025-01-09 22:48:24,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:48:24" (3/3) ... [2025-01-09 22:48:24,474 INFO L128 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1d.c [2025-01-09 22:48:24,485 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 22:48:24,488 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NestedRecursion_1d.c that has 3 procedures, 25 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2025-01-09 22:48:24,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fbb86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 10:48:24, skipping insertion in model container [2025-01-09 22:48:24,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 22:48:24,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 22:48:24,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 22:48:24,492 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 22:48:24,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:48:24" (3/3) ... [2025-01-09 22:48:24,496 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 22:48:24,499 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2025-01-09 22:48:24,499 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2025-01-09 22:48:24,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 22:48:24,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 22:48:24,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 22:48:24,568 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 22:48:24,569 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 22:48:24,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 22:48:24,572 INFO L158 Benchmark]: Toolchain (without parser) took 467.58ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 92.7MB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 22:48:24,572 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:48:24,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.53ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 112.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:48:24,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.05ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 111.1MB in the end (delta: 902.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:48:24,573 INFO L158 Benchmark]: Boogie Preprocessor took 19.03ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 110.1MB in the end (delta: 956.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:48:24,573 INFO L158 Benchmark]: RCFGBuilder took 193.29ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 100.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:48:24,574 INFO L158 Benchmark]: TraceAbstraction took 22.45ms. Allocated memory is still 167.8MB. Free memory was 100.2MB in the beginning and 98.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:48:24,574 INFO L158 Benchmark]: Witness Printer took 77.89ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 92.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:48:24,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.53ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 112.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.05ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 111.1MB in the end (delta: 902.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.03ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 110.1MB in the end (delta: 956.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 193.29ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 100.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22.45ms. Allocated memory is still 167.8MB. Free memory was 100.2MB in the beginning and 98.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 77.89ms. Allocated memory is still 167.8MB. Free memory was 98.2MB in the beginning and 92.7MB in the end (delta: 5.5MB). There was no memory consumed. 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! [2025-01-09 22:48:24,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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