./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 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_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:08,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:08,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2024-11-02 12:39:08,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:08,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:08,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:08,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:08,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:08,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:08,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:08,913 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:08,914 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:08,915 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:08,915 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:08,916 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:08,918 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:08,919 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:08,920 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:08,920 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:08,921 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:08,924 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:08,925 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:08,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:39:08,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:39:08,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:08,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:08,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:08,932 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:39:08,932 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:39:08,933 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:39:08,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:08,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:08,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:08,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:39:08,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:08,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:08,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:08,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:08,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:08,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:08,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:08,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:08,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:08,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:08,942 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:08,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:08,942 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2024-11-02 12:39:09,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:09,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:09,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:09,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:09,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:09,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c Unable to find full path for "g++" [2024-11-02 12:39:11,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:11,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:11,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2024-11-02 12:39:11,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/data/e9cea14b9/d7d507378cc84edabd6ee22e8dd4763b/FLAG54d77c8c3 [2024-11-02 12:39:12,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/data/e9cea14b9/d7d507378cc84edabd6ee22e8dd4763b [2024-11-02 12:39:12,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:12,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:12,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:12,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:12,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:12,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62102da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12, skipping insertion in model container [2024-11-02 12:39:12,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:12,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:12,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:12,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:12,282 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:12,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12 WrapperNode [2024-11-02 12:39:12,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:12,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:12,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:12,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:12,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,318 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-02 12:39:12,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:12,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:12,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:12,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:12,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:12,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:12,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:12,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:12,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:12,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:12,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-02 12:39:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-02 12:39:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:12,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:12,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:12,637 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:12,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:12,671 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:12,672 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:39:12,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:12 BoogieIcfgContainer [2024-11-02 12:39:12,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:12,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:12,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:12,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:12,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:12" (1/3) ... [2024-11-02 12:39:12,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:12, skipping insertion in model container [2024-11-02 12:39:12,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12" (2/3) ... [2024-11-02 12:39:12,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:12, skipping insertion in model container [2024-11-02 12:39:12,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:12" (3/3) ... [2024-11-02 12:39:12,692 INFO L112 eAbstractionObserver]: Analyzing ICFG NestedRecursion_2c.c [2024-11-02 12:39:12,715 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:12,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-02 12:39:12,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:12, skipping insertion in model container [2024-11-02 12:39:12,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:12,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:12,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:12,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:12,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:12" (3/3) ... [2024-11-02 12:39:12,726 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:39:12,730 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-02 12:39:12,736 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-02 12:39:12,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:39:12,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:39:12,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:39:12,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:39:12,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:12,849 INFO L158 Benchmark]: Toolchain (without parser) took 807.09ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 85.4MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-02 12:39:12,850 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:12,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.73ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 104.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:39:12,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:12,853 INFO L158 Benchmark]: Boogie Preprocessor took 22.43ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 101.9MB in the end (delta: 766.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:12,853 INFO L158 Benchmark]: RCFGBuilder took 329.50ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 92.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-02 12:39:12,854 INFO L158 Benchmark]: TraceAbstraction took 42.82ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:12,855 INFO L158 Benchmark]: Witness Printer took 126.86ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 85.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:12,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.73ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 104.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.43ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 101.9MB in the end (delta: 766.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.50ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 92.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 42.82ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 89.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.86ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 85.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. 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! [2024-11-02 12:39:12,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ba535b-aac7-491b-b558-c261d3966d17/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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