./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 02:40:20,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:20,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-28 02:40:20,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:20,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:20,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:20,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:20,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:20,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:40:20,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:40:20,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:20,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:20,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:20,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:20,645 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:20,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:20,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:40:20,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:20,646 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:20,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:20,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:20,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:20,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:20,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:20,648 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:40:20,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:20,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:20,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:20,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:20,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:20,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2024-11-28 02:40:24,173 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/data/b24e5524c/24dfa823407d4e8a8846e7958e085fe6/FLAG366cb6126 [2024-11-28 02:40:24,403 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:24,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2024-11-28 02:40:24,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/data/b24e5524c/24dfa823407d4e8a8846e7958e085fe6/FLAG366cb6126 [2024-11-28 02:40:24,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/data/b24e5524c/24dfa823407d4e8a8846e7958e085fe6 [2024-11-28 02:40:24,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:24,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:24,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:24,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:24,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:24,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689c9dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24, skipping insertion in model container [2024-11-28 02:40:24,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:24,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:24,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:40:24,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:24,660 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:40:24,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24 WrapperNode [2024-11-28 02:40:24,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:24,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:24,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:40:24,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:40:24,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,685 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2024-11-28 02:40:24,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:24,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:40:24,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:40:24,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:40:24,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,698 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 02:40:24,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:40:24,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:40:24,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:40:24,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:40:24,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (1/1) ... [2024-11-28 02:40:24,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:24,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:24,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:40:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:40:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-28 02:40:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-28 02:40:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-28 02:40:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-28 02:40:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:40:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:40:24,850 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:40:24,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:40:24,981 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 02:40:24,981 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:40:24,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:40:24,992 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:40:24,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:24 BoogieIcfgContainer [2024-11-28 02:40:24,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:40:24,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:40:24,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:40:25,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:40:25,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:24" (1/3) ... [2024-11-28 02:40:25,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be41285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:25, skipping insertion in model container [2024-11-28 02:40:25,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:24" (2/3) ... [2024-11-28 02:40:25,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be41285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:25, skipping insertion in model container [2024-11-28 02:40:25,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:24" (3/3) ... [2024-11-28 02:40:25,005 INFO L128 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1d.c [2024-11-28 02:40:25,023 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:40:25,025 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. [2024-11-28 02:40:25,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be41285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:40:25, skipping insertion in model container [2024-11-28 02:40:25,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:40:25,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:40:25,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:40:25,028 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:40:25,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:24" (3/3) ... [2024-11-28 02:40:25,032 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:40:25,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-28 02:40:25,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-28 02:40:25,041 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 02:40:25,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:40:25,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 02:40:25,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:40:25,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:40:25,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:40:25,150 INFO L158 Benchmark]: Toolchain (without parser) took 709.27ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 65.2MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:40:25,152 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:25,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.87ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:25,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.24ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.5MB in the end (delta: 852.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:25,154 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 959.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:25,155 INFO L158 Benchmark]: RCFGBuilder took 285.61ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 72.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:40:25,155 INFO L158 Benchmark]: TraceAbstraction took 31.82ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:25,156 INFO L158 Benchmark]: Witness Printer took 120.75ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 65.2MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:40:25,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.87ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 83.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.24ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.5MB in the end (delta: 852.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 959.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.61ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 72.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31.82ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 69.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.75ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 65.2MB in the end (delta: 4.6MB). 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! [2024-11-28 02:40:25,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ab00bd9-ded4-4900-bc7a-53cde3e6d9ed/bin/uautomizer-verify-aQ6SnzHsRB/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