./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Ackermann-2.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_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/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_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Ackermann-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/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_d253b1d7-2aa9-40df-b827-d28e910fb00a/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 24c3da6ed2fa1f6675634198ae6fe88b58d89aeeff26fce5568b93d74b6b0249 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:33,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:33,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2024-11-02 12:23:33,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:33,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:33,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:33,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:33,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:33,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:33,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:33,883 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:33,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:33,884 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:33,885 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:33,887 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:33,887 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:33,888 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:33,888 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:33,888 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:33,889 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:33,889 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:33,893 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:33,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:23:33,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:23:33,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:33,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:33,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:33,895 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:23:33,895 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:23:33,895 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:23:33,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:33,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:33,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:33,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:23:33,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:33,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:33,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:33,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:33,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:33,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:33,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:33,900 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:33,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:33,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:33,902 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:33,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:33,902 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_d253b1d7-2aa9-40df-b827-d28e910fb00a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c3da6ed2fa1f6675634198ae6fe88b58d89aeeff26fce5568b93d74b6b0249 [2024-11-02 12:23:34,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:34,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:34,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:34,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:34,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:34,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/termination-crafted/Ackermann-2.c Unable to find full path for "g++" [2024-11-02 12:23:36,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:36,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:36,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/sv-benchmarks/c/termination-crafted/Ackermann-2.c [2024-11-02 12:23:36,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/data/905772f1b/49812fea14bd4c58a72662de1d98f271/FLAG3b692413a [2024-11-02 12:23:36,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/data/905772f1b/49812fea14bd4c58a72662de1d98f271 [2024-11-02 12:23:36,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:36,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:36,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:36,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:36,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:36,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6421cada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36, skipping insertion in model container [2024-11-02 12:23:36,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:36,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:36,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:36,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:36,924 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:36,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36 WrapperNode [2024-11-02 12:23:36,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:36,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:36,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:36,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:36,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,952 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-02 12:23:36,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:36,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:36,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:36,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:36,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:36,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:36,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:36,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:36,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:37,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:37,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure Ack [2024-11-02 12:23:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure Ack [2024-11-02 12:23:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:37,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:37,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:37,254 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:37,255 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:37,279 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:37,279 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:23:37,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:37 BoogieIcfgContainer [2024-11-02 12:23:37,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:37,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:37,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:37,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:37,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:36" (1/3) ... [2024-11-02 12:23:37,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b775da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:37, skipping insertion in model container [2024-11-02 12:23:37,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36" (2/3) ... [2024-11-02 12:23:37,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b775da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:37, skipping insertion in model container [2024-11-02 12:23:37,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:37" (3/3) ... [2024-11-02 12:23:37,295 INFO L112 eAbstractionObserver]: Analyzing ICFG Ackermann-2.c [2024-11-02 12:23:37,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:37,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-02 12:23:37,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b775da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:37, skipping insertion in model container [2024-11-02 12:23:37,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:37,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:37,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:37,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:37,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:37" (3/3) ... [2024-11-02 12:23:37,321 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:23:37,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Ack [2024-11-02 12:23:37,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-02 12:23:37,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 12:23:37,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:23:37,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:23:37,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:23:37,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:37,442 INFO L158 Benchmark]: Toolchain (without parser) took 849.05ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 100.8MB in the end (delta: 25.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,442 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 88.2MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:37,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.66ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 121.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.20ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 119.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,444 INFO L158 Benchmark]: Boogie Preprocessor took 17.81ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 118.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:37,445 INFO L158 Benchmark]: RCFGBuilder took 308.65ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 108.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,445 INFO L158 Benchmark]: TraceAbstraction took 32.06ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 105.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,446 INFO L158 Benchmark]: Witness Printer took 124.06ms. Allocated memory is still 157.3MB. Free memory was 105.0MB in the beginning and 100.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 88.2MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.66ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 121.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.20ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 119.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.81ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 118.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.65ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 108.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32.06ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 105.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 124.06ms. Allocated memory is still 157.3MB. Free memory was 105.0MB in the beginning and 100.8MB in the end (delta: 4.2MB). 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! [2024-11-02 12:23:37,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d253b1d7-2aa9-40df-b827-d28e910fb00a/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