./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje --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 422ea435de955cc6e58e578076c5ef733a2456157ad413df035d109cb231427a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:05:29,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:05:29,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2024-11-09 05:05:29,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:05:29,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:05:30,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:05:30,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:05:30,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:05:30,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:05:30,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:05:30,032 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:05:30,033 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:05:30,033 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:05:30,034 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:05:30,034 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:05:30,035 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:05:30,035 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:05:30,036 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:05:30,036 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:05:30,037 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:05:30,037 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:05:30,042 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:05:30,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:05:30,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:05:30,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:05:30,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:05:30,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:05:30,044 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:05:30,045 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:05:30,045 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 05:05:30,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:05:30,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:05:30,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:05:30,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:05:30,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:05:30,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:05:30,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:05:30,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:05:30,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:30,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:05:30,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:05:30,052 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:05:30,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:05:30,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:05:30,053 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:05:30,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:05:30,054 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_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422ea435de955cc6e58e578076c5ef733a2456157ad413df035d109cb231427a [2024-11-09 05:05:30,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:05:30,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:05:30,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:05:30,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:05:30,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:05:30,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c Unable to find full path for "g++" [2024-11-09 05:05:32,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:05:32,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:05:32,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c [2024-11-09 05:05:32,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/data/f9c581367/7dbc4325dc0047fbba137dc905f2886a/FLAGc450831c6 [2024-11-09 05:05:32,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/data/f9c581367/7dbc4325dc0047fbba137dc905f2886a [2024-11-09 05:05:32,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:05:32,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:05:32,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:32,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:05:32,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:05:32,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:32" (1/1) ... [2024-11-09 05:05:32,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bc7da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:32, skipping insertion in model container [2024-11-09 05:05:32,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:32" (1/1) ... [2024-11-09 05:05:32,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:05:33,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:33,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:05:33,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:33,153 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:05:33,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33 WrapperNode [2024-11-09 05:05:33,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:33,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:33,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:05:33,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:05:33,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,195 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-09 05:05:33,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:33,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:05:33,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:05:33,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:05:33,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:05:33,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:05:33,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:05:33,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:05:33,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (1/1) ... [2024-11-09 05:05:33,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:33,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:33,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:05:33,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:05:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-09 05:05:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-09 05:05:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:05:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:05:33,389 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:05:33,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:05:33,560 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-09 05:05:33,561 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:05:33,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:05:33,596 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:05:33,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:33 BoogieIcfgContainer [2024-11-09 05:05:33,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:05:33,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:05:33,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:05:33,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:05:33,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:05:32" (1/3) ... [2024-11-09 05:05:33,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de3e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:33, skipping insertion in model container [2024-11-09 05:05:33,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:33" (2/3) ... [2024-11-09 05:05:33,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de3e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:33, skipping insertion in model container [2024-11-09 05:05:33,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:33" (3/3) ... [2024-11-09 05:05:33,630 INFO L112 eAbstractionObserver]: Analyzing ICFG NestedRecursion_2b.c [2024-11-09 05:05:33,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:05:33,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-09 05:05:33,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de3e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:05:33, skipping insertion in model container [2024-11-09 05:05:33,659 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:05:33,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:05:33,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:05:33,661 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:05:33,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:33" (3/3) ... [2024-11-09 05:05:33,665 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:05:33,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-09 05:05:33,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-09 05:05:33,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:05:33,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:05:33,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:05:33,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:05:33,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:05:33,789 INFO L158 Benchmark]: Toolchain (without parser) took 984.20ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 77.6MB in the beginning and 122.6MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:05:33,793 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:05:33,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.14ms. Allocated memory is still 119.5MB. Free memory was 77.4MB in the beginning and 66.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:05:33,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 119.5MB. Free memory was 66.1MB in the beginning and 64.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:05:33,795 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 119.5MB. Free memory was 64.9MB in the beginning and 64.0MB in the end (delta: 963.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:05:33,800 INFO L158 Benchmark]: RCFGBuilder took 375.48ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 64.0MB in the beginning and 126.2MB in the end (delta: -62.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-09 05:05:33,801 INFO L158 Benchmark]: TraceAbstraction took 58.31ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 127.7MB in the end (delta: -2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-09 05:05:33,801 INFO L158 Benchmark]: Witness Printer took 126.25ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 122.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:05:33,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.14ms. Allocated memory is still 119.5MB. Free memory was 77.4MB in the beginning and 66.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 119.5MB. Free memory was 66.1MB in the beginning and 64.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 119.5MB. Free memory was 64.9MB in the beginning and 64.0MB in the end (delta: 963.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.48ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 64.0MB in the beginning and 126.2MB in the end (delta: -62.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 58.31ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 127.7MB in the end (delta: -2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 126.25ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 122.6MB in the end (delta: 5.1MB). 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! [2024-11-09 05:05:33,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a414a5e1-1801-4a72-a7ae-23cb93d414bb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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