./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 866e2a85bd7b7bc62f8d91ed6004438559021a24513f8ea9b8a2b216fde27501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:29:34,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:29:34,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:29:34,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:29:34,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:29:34,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:29:34,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:29:34,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:29:34,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:29:34,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:29:34,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:29:34,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:29:34,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:29:34,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:29:34,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:29:34,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:29:34,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:29:34,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:29:34,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:29:34,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:29:34,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:29:34,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:29:34,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:29:34,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:29:34,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:29:34,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:29:34,673 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_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd 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 ! overflow) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 866e2a85bd7b7bc62f8d91ed6004438559021a24513f8ea9b8a2b216fde27501 [2024-11-13 14:29:35,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:29:35,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:29:35,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:29:35,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:29:35,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:29:35,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c Unable to find full path for "g++" [2024-11-13 14:29:36,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:29:37,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:29:37,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/sv-benchmarks/c/recursified_loop-invariants/recursified_even.c [2024-11-13 14:29:37,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/data/799fde033/84e07224e1864770acd12024998c810d/FLAG961afb796 [2024-11-13 14:29:37,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/data/799fde033/84e07224e1864770acd12024998c810d [2024-11-13 14:29:37,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:29:37,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:29:37,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:29:37,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:29:37,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:29:37,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e2ec5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37, skipping insertion in model container [2024-11-13 14:29:37,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:29:37,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:29:37,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:29:37,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:29:37,548 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:29:37,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37 WrapperNode [2024-11-13 14:29:37,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:29:37,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:29:37,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:29:37,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:29:37,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,605 INFO L138 Inliner]: procedures = 15, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2024-11-13 14:29:37,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:29:37,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:29:37,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:29:37,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:29:37,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,641 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 4, 7]. 54 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 1, 7]. The 1 writes are split as follows [0, 1, 0]. [2024-11-13 14:29:37,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:29:37,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:29:37,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:29:37,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:29:37,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (1/1) ... [2024-11-13 14:29:37,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:29:37,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:37,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:29:37,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:29:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:29:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-11-13 14:29:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:29:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:29:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:29:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:29:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:29:37,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:29:37,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:29:38,049 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 14:29:38,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:29:38,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:29:38,067 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:29:38,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:29:38 BoogieIcfgContainer [2024-11-13 14:29:38,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:29:38,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:29:38,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:29:38,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:29:38,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:29:37" (1/3) ... [2024-11-13 14:29:38,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc497d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:29:38, skipping insertion in model container [2024-11-13 14:29:38,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:37" (2/3) ... [2024-11-13 14:29:38,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc497d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:29:38, skipping insertion in model container [2024-11-13 14:29:38,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:29:38" (3/3) ... [2024-11-13 14:29:38,083 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_even.c [2024-11-13 14:29:38,103 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:29:38,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_even.c that has 2 procedures, 16 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-13 14:29:38,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc497d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:29:38, skipping insertion in model container [2024-11-13 14:29:38,108 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:29:38,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:29:38,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:29:38,110 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:29:38,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:29:38" (3/3) ... [2024-11-13 14:29:38,113 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:29:38,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_14_0 [2024-11-13 14:29:38,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 14:29:38,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 14:29:38,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 14:29:38,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:29:38,127 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:29:38,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:29:38,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:29:38,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:29:38,227 INFO L158 Benchmark]: Toolchain (without parser) took 898.39ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 62.6MB in the end (delta: 29.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:29:38,230 INFO L158 Benchmark]: CDTParser took 1.99ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:29:38,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.62ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:29:38,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.91ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:29:38,231 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:29:38,232 INFO L158 Benchmark]: RCFGBuilder took 411.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 69.3MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:29:38,233 INFO L158 Benchmark]: TraceAbstraction took 37.66ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 67.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:29:38,234 INFO L158 Benchmark]: Witness Printer took 116.50ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 62.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:29:38,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.62ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.91ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 69.3MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37.66ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 67.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 116.50ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 62.6MB 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! [2024-11-13 14:29:38,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d61101-0f64-4f1e-82ab-8e58cdc8d05c/bin/uautomizer-verify-qhAvR1uOyd/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