./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/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_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/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_1064553e-0aa7-48c4-8c52-444e010a04a1/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 9c9c032ca120503dfa93615a57a0bb47775014248f579f3a3fd38a4985b2298b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:57,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:57,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2024-11-02 12:35:57,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:57,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:57,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:57,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:57,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:57,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:57,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:57,342 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:57,342 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:57,343 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:57,343 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:57,343 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:57,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:57,344 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:57,345 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:57,345 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:57,349 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:57,350 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:57,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:57,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:35:57,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:35:57,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:57,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:57,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:57,356 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:35:57,356 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:35:57,357 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:35:57,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:57,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:57,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:57,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:35:57,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:57,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:57,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:57,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:57,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:57,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:57,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:57,363 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:57,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:57,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:57,363 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:57,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:57,363 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_1064553e-0aa7-48c4-8c52-444e010a04a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c9c032ca120503dfa93615a57a0bb47775014248f579f3a3fd38a4985b2298b [2024-11-02 12:35:57,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:57,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:57,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:57,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:57,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:57,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c Unable to find full path for "g++" [2024-11-02 12:36:00,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:00,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:00,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2024-11-02 12:36:00,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/data/dafc9d6bb/95882d117f3b4cc5a949ceeed3f4c24b/FLAGe2589b015 [2024-11-02 12:36:00,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/data/dafc9d6bb/95882d117f3b4cc5a949ceeed3f4c24b [2024-11-02 12:36:00,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:00,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:00,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:00,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:00,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:00,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c787cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00, skipping insertion in model container [2024-11-02 12:36:00,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:00,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:00,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:00,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:00,452 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:00,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00 WrapperNode [2024-11-02 12:36:00,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:00,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:00,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:00,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:00,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,480 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2024-11-02 12:36:00,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:00,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:00,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:00,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:00,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:00,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:00,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:00,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:00,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (1/1) ... [2024-11-02 12:36:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:00,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:00,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:00,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-02 12:36:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-02 12:36:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-02 12:36:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-02 12:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:00,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:00,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:00,809 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:00,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:00,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:00,843 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:36:00,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:00 BoogieIcfgContainer [2024-11-02 12:36:00,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:00,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:00,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:00,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:00,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:00" (1/3) ... [2024-11-02 12:36:00,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf9d598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:00, skipping insertion in model container [2024-11-02 12:36:00,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:00" (2/3) ... [2024-11-02 12:36:00,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf9d598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:00, skipping insertion in model container [2024-11-02 12:36:00,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:00" (3/3) ... [2024-11-02 12:36:00,856 INFO L112 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1d.c [2024-11-02 12:36:00,875 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:00,876 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-02 12:36:00,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf9d598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:36:00, skipping insertion in model container [2024-11-02 12:36:00,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:36:00,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:36:00,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:36:00,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:36:00,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:00" (3/3) ... [2024-11-02 12:36:00,883 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:36:00,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-02 12:36:00,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-02 12:36:00,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-02 12:36:00,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 12:36:00,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:36:01,033 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:36:01,033 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:36:01,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:36:01,035 INFO L158 Benchmark]: Toolchain (without parser) took 835.14ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 107.5MB in the end (delta: -6.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,036 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:01,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 90.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.34ms. Allocated memory is still 136.3MB. Free memory was 89.6MB in the beginning and 88.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,039 INFO L158 Benchmark]: Boogie Preprocessor took 17.02ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 87.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:01,039 INFO L158 Benchmark]: RCFGBuilder took 344.63ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 77.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,040 INFO L158 Benchmark]: TraceAbstraction took 31.00ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 74.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,040 INFO L158 Benchmark]: Witness Printer took 155.59ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 107.5MB in the end (delta: -32.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:01,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 90.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.34ms. Allocated memory is still 136.3MB. Free memory was 89.6MB in the beginning and 88.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.02ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 87.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.63ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 77.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 31.00ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 74.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 155.59ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 107.5MB in the end (delta: -32.6MB). Peak memory consumption was 8.8MB. 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 12:36:01,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1064553e-0aa7-48c4-8c52-444e010a04a1/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