./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.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_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/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_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/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_cf5b8906-5c89-4489-895b-f2183e9aaa38/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 d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:04:06,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:04:06,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-28 04:04:06,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:04:06,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:04:06,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:04:06,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:04:06,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:04:06,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:04:06,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:04:06,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:04:06,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:04:06,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:04:06,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:04:06,584 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:04:06,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:04:06,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:04:06,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:04:06,586 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:04:06,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:04:06,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:04:06,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:04:06,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:06,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:04:06,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:04:06,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:04:06,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:04:06,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:06,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:04:06,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:04:06,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:04:06,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:04:06,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:04:06,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:04:06,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:04:06,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:04:06,589 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_cf5b8906-5c89-4489-895b-f2183e9aaa38/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 -> d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a [2024-11-28 04:04:06,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:04:06,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:04:06,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:04:06,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:04:06,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:04:06,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-28 04:04:10,107 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/data/27d8247d1/477fb0f718d4495c8f703490a02fb6e6/FLAGc6c9d3b26 [2024-11-28 04:04:10,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:04:10,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-28 04:04:10,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/data/27d8247d1/477fb0f718d4495c8f703490a02fb6e6/FLAGc6c9d3b26 [2024-11-28 04:04:10,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/data/27d8247d1/477fb0f718d4495c8f703490a02fb6e6 [2024-11-28 04:04:10,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:04:10,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:04:10,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:04:10,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:04:10,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:04:10,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127e1720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10, skipping insertion in model container [2024-11-28 04:04:10,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:04:10,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:04:10,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:04:10,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:04:10,592 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:04:10,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10 WrapperNode [2024-11-28 04:04:10,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:04:10,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:04:10,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:04:10,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:04:10,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,625 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-28 04:04:10,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:04:10,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:04:10,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:04:10,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:04:10,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,642 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:04:10,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:04:10,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:04:10,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:04:10,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:04:10,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (1/1) ... [2024-11-28 04:04:10,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:04:10,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:04:10,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:04:10,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:04:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-28 04:04:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-28 04:04:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-28 04:04:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-28 04:04:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:04:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:04:10,793 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:04:10,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:04:10,944 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 04:04:10,944 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:04:10,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:04:10,958 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:04:10,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:04:10 BoogieIcfgContainer [2024-11-28 04:04:10,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:04:10,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:04:10,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:04:10,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:04:10,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:04:10" (1/3) ... [2024-11-28 04:04:10,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33059669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:04:10, skipping insertion in model container [2024-11-28 04:04:10,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:04:10" (2/3) ... [2024-11-28 04:04:10,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33059669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:04:10, skipping insertion in model container [2024-11-28 04:04:10,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:04:10" (3/3) ... [2024-11-28 04:04:10,977 INFO L128 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1a-2.c [2024-11-28 04:04:10,995 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:04:10,998 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NestedRecursion_1a-2.c that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-28 04:04:11,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33059669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:04:10, skipping insertion in model container [2024-11-28 04:04:11,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:04:11,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:04:11,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:04:11,003 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:04:11,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:04:10" (3/3) ... [2024-11-28 04:04:11,009 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:04:11,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-28 04:04:11,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-28 04:04:11,019 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:04:11,020 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:04:11,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:04:11,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:04:11,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:04:11,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:04:11,111 INFO L158 Benchmark]: Toolchain (without parser) took 717.47ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 88.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:04:11,113 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:11,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.73ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:04:11,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.60ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:11,114 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 976.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:11,115 INFO L158 Benchmark]: RCFGBuilder took 304.32ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 96.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:04:11,115 INFO L158 Benchmark]: TraceAbstraction took 36.39ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:11,116 INFO L158 Benchmark]: Witness Printer took 106.93ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 88.9MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:04:11,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.73ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.60ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 976.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.32ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 96.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 36.39ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.93ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 88.9MB in the end (delta: 4.7MB). 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 04:04:11,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5b8906-5c89-4489-895b-f2183e9aaa38/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