./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU --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 9948dbd77aeb2de72e0bd3a3a4e22b1606b19383e4631af58adbec46ed909b6c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:25,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:25,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-10-31 22:19:25,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:25,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:25,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:25,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:25,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:25,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:25,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:25,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:25,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:25,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:25,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:25,693 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:25,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:25,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:25,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:25,696 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:19:25,696 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:19:25,697 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:19:25,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:25,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:19:25,698 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:25,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:25,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:25,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:25,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:25,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:25,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:25,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:25,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:25,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:25,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:25,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:25,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:25,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:25,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:25,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:25,703 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9948dbd77aeb2de72e0bd3a3a4e22b1606b19383e4631af58adbec46ed909b6c [2024-10-31 22:19:26,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:26,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:26,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:26,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:26,180 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:26,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c Unable to find full path for "g++" [2024-10-31 22:19:28,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:28,567 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:28,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c [2024-10-31 22:19:28,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/data/a84c6c725/6a1270a154374b808ab23324d808b2c8/FLAG6e40c5c35 [2024-10-31 22:19:28,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/data/a84c6c725/6a1270a154374b808ab23324d808b2c8 [2024-10-31 22:19:28,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:28,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:28,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:28,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:28,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:28,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:28,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5021a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28, skipping insertion in model container [2024-10-31 22:19:28,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:28,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:28,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:28,921 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:28,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:28,963 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:28,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28 WrapperNode [2024-10-31 22:19:28,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:28,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:28,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:28,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:28,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:28,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,000 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2024-10-31 22:19:29,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:29,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:29,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:29,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:29,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,029 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:19:29,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:29,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:29,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:29,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:29,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (1/1) ... [2024-10-31 22:19:29,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:29,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:29,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:29,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-10-31 22:19:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-10-31 22:19:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-10-31 22:19:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-10-31 22:19:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:29,186 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:29,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:29,329 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:29,329 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:29,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:29,348 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:19:29,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:29 BoogieIcfgContainer [2024-10-31 22:19:29,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:29,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:29,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:29,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:29,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:28" (1/3) ... [2024-10-31 22:19:29,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f1e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:28" (2/3) ... [2024-10-31 22:19:29,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f1e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:29" (3/3) ... [2024-10-31 22:19:29,366 INFO L112 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1b.c [2024-10-31 22:19:29,386 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:29,386 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-31 22:19:29,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f1e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,388 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:19:29,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:19:29,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:19:29,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:19:29,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:29" (3/3) ... [2024-10-31 22:19:29,394 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:19:29,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-10-31 22:19:29,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-10-31 22:19:29,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-31 22:19:29,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:19:29,405 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:19:29,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:19:29,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:19:29,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:19:29,498 INFO L158 Benchmark]: Toolchain (without parser) took 897.14ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 113.2MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,498 INFO L158 Benchmark]: CDTParser took 4.22ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:29,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.91ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 133.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.78ms. Allocated memory is still 180.4MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,500 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 130.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,501 INFO L158 Benchmark]: RCFGBuilder took 304.78ms. Allocated memory is still 180.4MB. Free memory was 130.0MB in the beginning and 120.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,501 INFO L158 Benchmark]: TraceAbstraction took 32.82ms. Allocated memory is still 180.4MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,502 INFO L158 Benchmark]: Witness Printer took 106.84ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 113.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:19:29,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.22ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.91ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 133.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.78ms. Allocated memory is still 180.4MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 130.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.78ms. Allocated memory is still 180.4MB. Free memory was 130.0MB in the beginning and 120.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32.82ms. Allocated memory is still 180.4MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 106.84ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 113.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. 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! [2024-10-31 22:19:29,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3840120a-8e5a-4245-9585-da9d96e5c139/bin/uautomizer-verify-4GaUIPS5ZU/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