./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f5c626d5135dc189cbc332c41f07b76804a58f47ee910790099695b0d83f1587 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:40,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:40,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-28 03:17:40,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:40,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:40,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:40,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:40,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:40,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:40,442 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:40,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:40,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:40,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:40,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:40,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:17:40,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:40,444 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:40,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:40,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:40,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:40,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:40,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:40,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:40,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:40,446 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5c626d5135dc189cbc332c41f07b76804a58f47ee910790099695b0d83f1587 [2024-11-28 03:17:40,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:40,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:40,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:40,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:40,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:40,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c [2024-11-28 03:17:43,667 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/data/f327c87c0/02c3f129c0fa4b13be1f9eca90429ef1/FLAG8d38b2b06 [2024-11-28 03:17:43,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:43,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c [2024-11-28 03:17:43,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/data/f327c87c0/02c3f129c0fa4b13be1f9eca90429ef1/FLAG8d38b2b06 [2024-11-28 03:17:44,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/data/f327c87c0/02c3f129c0fa4b13be1f9eca90429ef1 [2024-11-28 03:17:44,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:44,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:44,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:44,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:44,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:44,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f35662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44, skipping insertion in model container [2024-11-28 03:17:44,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:44,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:44,210 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:44,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:44,235 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:44,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44 WrapperNode [2024-11-28 03:17:44,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:44,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:44,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:44,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:44,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,268 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2024-11-28 03:17:44,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:44,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:44,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:44,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:44,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,289 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:17:44,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:44,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:44,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:44,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:44,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (1/1) ... [2024-11-28 03:17:44,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:44,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:44,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:44,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-28 03:17:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-28 03:17:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-28 03:17:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-28 03:17:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:44,427 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:44,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:44,548 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 03:17:44,549 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:44,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:44,562 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:17:44,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:44 BoogieIcfgContainer [2024-11-28 03:17:44,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:44,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:44,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:44,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:44,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:44" (1/3) ... [2024-11-28 03:17:44,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4c1b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:44, skipping insertion in model container [2024-11-28 03:17:44,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44" (2/3) ... [2024-11-28 03:17:44,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4c1b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:44, skipping insertion in model container [2024-11-28 03:17:44,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:44" (3/3) ... [2024-11-28 03:17:44,576 INFO L128 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1c.c [2024-11-28 03:17:44,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:44,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NestedRecursion_1c.c that has 3 procedures, 25 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-28 03:17:44,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4c1b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:44, skipping insertion in model container [2024-11-28 03:17:44,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:17:44,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:17:44,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:17:44,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:17:44,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:44" (3/3) ... [2024-11-28 03:17:44,603 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:17:44,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-28 03:17:44,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-28 03:17:44,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:17:44,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:17:44,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:17:44,696 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:17:44,696 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:17:44,696 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:17:44,699 INFO L158 Benchmark]: Toolchain (without parser) took 673.12ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 89.7MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:17:44,701 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:44,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.43ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:44,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.55ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 780.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:44,703 INFO L158 Benchmark]: Boogie Preprocessor took 31.62ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.3MB in the end (delta: 846.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:44,703 INFO L158 Benchmark]: RCFGBuilder took 261.85ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 96.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:44,703 INFO L158 Benchmark]: TraceAbstraction took 32.22ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:44,704 INFO L158 Benchmark]: Witness Printer took 98.69ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.7MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:44,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.43ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.55ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 780.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.62ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.3MB in the end (delta: 846.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.85ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 96.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32.22ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 98.69ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.7MB in the end (delta: 4.5MB). There was no memory consumed. 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! [2024-11-28 03:17:44,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada8bce6-fa22-4489-88fe-d953302a4784/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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