./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:10:59,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:10:59,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:10:59,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:10:59,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:10:59,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:10:59,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:10:59,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:10:59,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:10:59,719 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:10:59,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:10:59,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:10:59,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:10:59,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:10:59,720 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:10:59,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:10:59,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:10:59,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:10:59,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:10:59,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:10:59,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:10:59,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:10:59,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:10:59,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:10:59,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:10:59,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:10:59,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:10:59,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:10:59,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:10:59,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:10:59,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:10:59,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:10:59,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:10:59,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:10:59,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:10:59,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:10:59,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:10:59,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:10:59,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:10:59,729 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae [2024-11-19 11:10:59,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:10:59,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:10:59,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:10:59,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:10:59,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:10:59,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-19 11:11:01,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:11:01,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:11:01,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-19 11:11:01,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49701dd55/cd5ecf0e48124cfb99027ab8e7b8fea3/FLAG26dc1e999 [2024-11-19 11:11:01,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49701dd55/cd5ecf0e48124cfb99027ab8e7b8fea3 [2024-11-19 11:11:01,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:11:01,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:11:01,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:11:01,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:11:01,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:11:01,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4481565f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01, skipping insertion in model container [2024-11-19 11:11:01,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:11:01,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:11:01,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:11:01,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:11:01,879 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:11:01,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01 WrapperNode [2024-11-19 11:11:01,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:11:01,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:11:01,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:11:01,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:11:01,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,904 INFO L138 Inliner]: procedures = 15, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-19 11:11:01,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:11:01,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:11:01,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:11:01,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:11:01,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,928 INFO L175 MemorySlicer]: Split 26 memory accesses to 6 slices as follows [2, 6, 5, 4, 5, 4]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 6, 1, 1, 1, 1]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2024-11-19 11:11:01,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:11:01,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:11:01,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:11:01,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:11:01,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (1/1) ... [2024-11-19 11:11:01,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:11:01,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:11:01,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 11:11:01,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 11:11:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 11:11:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_20_0 [2024-11-19 11:11:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_20_0 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:11:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:11:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 11:11:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 11:11:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 11:11:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 11:11:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 11:11:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 11:11:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 11:11:02,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:11:02,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:11:02,229 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-19 11:11:02,229 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:11:02,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:11:02,237 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:11:02,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:11:02 BoogieIcfgContainer [2024-11-19 11:11:02,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:11:02,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:11:02,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:11:02,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:11:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:11:01" (1/3) ... [2024-11-19 11:11:02,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15bc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:11:02, skipping insertion in model container [2024-11-19 11:11:02,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:11:01" (2/3) ... [2024-11-19 11:11:02,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15bc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:11:02, skipping insertion in model container [2024-11-19 11:11:02,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:11:02" (3/3) ... [2024-11-19 11:11:02,243 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_eq1.c [2024-11-19 11:11:02,255 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:11:02,255 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-19 11:11:02,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15bc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:11:02, skipping insertion in model container [2024-11-19 11:11:02,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:11:02,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:11:02,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:11:02,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:11:02,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:11:02" (3/3) ... [2024-11-19 11:11:02,260 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:11:02,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_20_0 [2024-11-19 11:11:02,266 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-19 11:11:02,266 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 11:11:02,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:11:02,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:11:02,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:11:02,339 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:11:02,341 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:11:02,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:11:02,343 INFO L158 Benchmark]: Toolchain (without parser) took 658.08ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 125.0MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:11:02,343 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 172.0MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:11:02,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.31ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 90.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.31ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 89.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,344 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 172.0MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,344 INFO L158 Benchmark]: RCFGBuilder took 299.24ms. Allocated memory is still 172.0MB. Free memory was 86.7MB in the beginning and 132.8MB in the end (delta: -46.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,344 INFO L158 Benchmark]: TraceAbstraction took 17.37ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,344 INFO L158 Benchmark]: Witness Printer took 84.56ms. Allocated memory is still 172.0MB. Free memory was 129.8MB in the beginning and 125.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 11:11:02,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 172.0MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.31ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 90.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.31ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 89.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 172.0MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.24ms. Allocated memory is still 172.0MB. Free memory was 86.7MB in the beginning and 132.8MB in the end (delta: -46.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 17.37ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 84.56ms. Allocated memory is still 172.0MB. Free memory was 129.8MB in the beginning and 125.0MB in the end (delta: 4.8MB). 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! [2024-11-19 11:11:02,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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