./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.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_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/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_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/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_1dd4666b-bcc6-47ca-b608-ce782645c5fc/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 e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:18:56,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:18:56,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-27 20:18:56,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:18:56,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:18:56,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:18:56,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:18:56,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:18:56,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:18:56,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:18:56,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:18:56,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:18:56,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:18:56,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:18:56,164 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:18:56,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:18:56,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:18:56,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:18:56,166 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:18:56,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:18:56,167 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:56,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:56,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:56,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:18:56,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:18:56,169 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_1dd4666b-bcc6-47ca-b608-ce782645c5fc/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 -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2024-11-27 20:18:56,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:18:56,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:18:56,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:18:56,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:18:56,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:18:56,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2024-11-27 20:18:59,492 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/data/c251299f1/fafb6eead4334974a3faf73e2dcbed07/FLAG67437384b [2024-11-27 20:18:59,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:18:59,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2024-11-27 20:18:59,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/data/c251299f1/fafb6eead4334974a3faf73e2dcbed07/FLAG67437384b [2024-11-27 20:19:00,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/data/c251299f1/fafb6eead4334974a3faf73e2dcbed07 [2024-11-27 20:19:00,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:19:00,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:19:00,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:19:00,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:19:00,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:19:00,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270179f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:19:00,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:19:00,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:19:00,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:19:00,278 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:19:00,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00 WrapperNode [2024-11-27 20:19:00,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:19:00,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:19:00,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:19:00,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:19:00,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,319 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-27 20:19:00,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:19:00,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:19:00,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:19:00,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:19:00,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,332 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,337 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:19:00,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:19:00,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:19:00,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:19:00,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:19:00,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (1/1) ... [2024-11-27 20:19:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:19:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:19:00,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:19:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:19:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-27 20:19:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-27 20:19:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:19:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:19:00,478 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:19:00,480 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:19:00,579 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-27 20:19:00,579 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:19:00,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:19:00,589 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:19:00,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:00 BoogieIcfgContainer [2024-11-27 20:19:00,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:19:00,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:19:00,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:19:00,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:19:00,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:19:00" (1/3) ... [2024-11-27 20:19:00,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3d6914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:19:00" (2/3) ... [2024-11-27 20:19:00,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3d6914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:00" (3/3) ... [2024-11-27 20:19:00,603 INFO L128 eAbstractionObserver]: Analyzing ICFG NestedRecursion_2c.c [2024-11-27 20:19:00,620 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:19:00,622 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NestedRecursion_2c.c that has 2 procedures, 16 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-27 20:19:00,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3d6914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:19:00,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:19:00,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:19:00,626 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:19:00,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:00" (3/3) ... [2024-11-27 20:19:00,631 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:19:00,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-27 20:19:00,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 20:19:00,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:19:00,643 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:19:00,727 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:19:00,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:19:00,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:19:00,732 INFO L158 Benchmark]: Toolchain (without parser) took 673.53ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 65.7MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:19:00,735 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:00,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.89ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 83.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:19:00,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.46ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:00,736 INFO L158 Benchmark]: Boogie Preprocessor took 29.00ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 949.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:00,736 INFO L158 Benchmark]: RCFGBuilder took 237.52ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:19:00,736 INFO L158 Benchmark]: TraceAbstraction took 33.70ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:19:00,737 INFO L158 Benchmark]: Witness Printer took 102.69ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 65.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:19:00,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.89ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 83.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.46ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.00ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 949.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.52ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 33.70ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 102.69ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 65.7MB in the end (delta: 4.2MB). 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! [2024-11-27 20:19:00,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dd4666b-bcc6-47ca-b608-ce782645c5fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE