./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_5-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_5-1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:21,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:21,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:21,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:21,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:21,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:21,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:21,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:21,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:21,929 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:21,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:21,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:21,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:21,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:21,931 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:21,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:21,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:21,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:21,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:21,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:21,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:21,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:21,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:21,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:21,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:21,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:21,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:21,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:21,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:21,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:21,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:21,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:21,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:21,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:21,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:21,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:21,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:21,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:21,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:21,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:21,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:21,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:21,940 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:22,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:22,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:22,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:22,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:22,205 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:22,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c [2024-09-12 20:13:23,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:23,799 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:23,800 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c [2024-09-12 20:13:23,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/34db59281/c73b60158bad4e28adc7b7c5f3ff320b/FLAG1972189c6 [2024-09-12 20:13:23,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/34db59281/c73b60158bad4e28adc7b7c5f3ff320b [2024-09-12 20:13:23,830 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:23,832 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:23,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_5-1.yml/witness-2.1.yml [2024-09-12 20:13:23,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:23,882 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:23,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:23,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:23,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:23,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:23" (1/2) ... [2024-09-12 20:13:23,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791b1777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:23" (1/2) ... [2024-09-12 20:13:23,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19b2f57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:23" (2/2) ... [2024-09-12 20:13:23,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791b1777 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:23" (2/2) ... [2024-09-12 20:13:23,898 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:23,900 INFO L1541 ArrayList]: Function contract at [L9]: requires ((\old(n) < 4) || (5 == \old(n))), ensures (((((2 == \result) || (3 != \old(n))) && ((((2 == \result) || ((\result == 0) && (\old(n) <= 0))) || (3 < \old(n))) || (\result == 1))) && ((\old(n) < 4) || (5 == \old(n)))) && ((\result == 0) || (0 < \old(n)))) [2024-09-12 20:13:23,900 INFO L1541 ArrayList]: Function contract at [L19]: requires (\old(n) <= 4), ensures (((\result == 0) || (0 < \old(n))) && (((\result == 1) || (2 < \old(n))) || (\old(n) < 1))) [2024-09-12 20:13:23,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:24,085 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c[946,959] [2024-09-12 20:13:24,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:24,132 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:13:24,213 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c[946,959] [2024-09-12 20:13:24,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:24,229 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:24,230 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24 WrapperNode [2024-09-12 20:13:24,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:24,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:24,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:24,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:24,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,263 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure fibo1 is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:13:24,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:24,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:24,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:24,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:24,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:24,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:13:24,319 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:13:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-09-12 20:13:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-09-12 20:13:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:13:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-09-12 20:13:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-09-12 20:13:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:13:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:13:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:13:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:24,431 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:24,433 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:24,494 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:24,555 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:24,668 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:24,668 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:24,697 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:24,698 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:24,698 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:24 BoogieIcfgContainer [2024-09-12 20:13:24,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:24,699 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:24,699 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:24,699 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:24,700 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:23" (1/4) ... [2024-09-12 20:13:24,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b558847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:24, skipping insertion in model container [2024-09-12 20:13:24,702 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:23" (2/4) ... [2024-09-12 20:13:24,702 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b558847 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:24, skipping insertion in model container [2024-09-12 20:13:24,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:24" (3/4) ... [2024-09-12 20:13:24,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b558847 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:24, skipping insertion in model container [2024-09-12 20:13:24,704 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:24" (4/4) ... [2024-09-12 20:13:24,705 INFO L79 RefereeObserver]: Analyzing ICFG fibo_2calls_5-1.c [2024-09-12 20:13:24,709 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:24,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 13 edges. [2024-09-12 20:13:24,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:24,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 13 edges. [2024-09-12 20:13:24,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:24,711 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-12 20:13:24,711 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err8ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:24,711 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:13:24,711 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 12 edges. [2024-09-12 20:13:24,712 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:24,712 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:24,713 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:13:24,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 12 edges. [2024-09-12 20:13:24,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:24,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:13:24,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:13:24,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:13:24,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:24,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:13:24,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:13:24,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err8ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:24,716 INFO L130 InvariantChecker]: Will check 20 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:24,776 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 13 edges [2024-09-12 20:13:24,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,821 INFO L101 BaseMinimizeStates]: Removed 24 edges and 12 locations by large block encoding [2024-09-12 20:13:24,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,866 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:24,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,875 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:24,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,881 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:24,898 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 13 edges [2024-09-12 20:13:24,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,933 INFO L101 BaseMinimizeStates]: Removed 24 edges and 12 locations by large block encoding [2024-09-12 20:13:24,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,940 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,953 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:13:24,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,955 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,967 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:13:24,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,974 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,988 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:24,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,998 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:24,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,017 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 20:13:25,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,049 INFO L101 BaseMinimizeStates]: Removed 30 edges and 13 locations by large block encoding [2024-09-12 20:13:25,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,080 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:25,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,086 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:25,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,088 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,091 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,105 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-12 20:13:25,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,139 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-12 20:13:25,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,140 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,151 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:25,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,154 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:25,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,156 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,165 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:25,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,169 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:25,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,172 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:25,179 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:13:25,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,180 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:13:25,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,182 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:25,190 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-12 20:13:25,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,207 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-12 20:13:25,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,211 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,219 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:25,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,222 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:25,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,224 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,232 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:13:25,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,242 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:13:25,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,243 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,243 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,243 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,245 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:25,253 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:13:25,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,263 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:13:25,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,266 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:25,273 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:13:25,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,279 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:13:25,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,282 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,290 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:13:25,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,290 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,298 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:13:25,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,301 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,308 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:25,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,312 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:25,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,314 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,321 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:13:25,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,321 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,326 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:13:25,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,329 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:25,338 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 20:13:25,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:25,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:25,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:25,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:25,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,359 INFO L101 BaseMinimizeStates]: Removed 30 edges and 13 locations by large block encoding [2024-09-12 20:13:25,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:25,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:25,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:25,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:25,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:25,367 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err8ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:13:25,375 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:13:25,376 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b558847 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:13:25, skipping insertion in model container [2024-09-12 20:13:25,376 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:13:25,377 INFO L158 Benchmark]: Toolchain (without parser) took 1495.30ms. Allocated memory is still 148.9MB. Free memory was 79.7MB in the beginning and 54.5MB in the end (delta: 25.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:25,378 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:25,379 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:25,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.08ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 119.9MB in the end (delta: -40.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:25,380 INFO L158 Benchmark]: Boogie Preprocessor took 50.31ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:25,380 INFO L158 Benchmark]: RCFGBuilder took 416.21ms. Allocated memory is still 148.9MB. Free memory was 117.8MB in the beginning and 100.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 20:13:25,381 INFO L158 Benchmark]: Referee took 677.22ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 54.5MB in the end (delta: 45.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:25,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure fibo2 to exit of procedure fibo2. One counterexample starts in \old(n)=2 and ends in \old(n)=2, \result=0, n=0. Annotation is not valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 41. One counterexample starts in and ends in result=0, x=0. Annotation is not valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. One counterexample starts in \old(n)=5 and ends in \old(n)=5, n=0. Annotation is not valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. One counterexample starts in \old(n)=5 and ends in \old(n)=5, n=0. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. Annotation is valid for all loop-free paths from entry of procedure fibo1 to exit of procedure fibo1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that procedure precondition always holds at line 15. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that procedure precondition always holds at line 15. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. Annotation is valid for all loop-free paths from entry of procedure fibo2 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from entry of procedure fibo1 to check that integer overflow can never occur at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.08ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 119.9MB in the end (delta: -40.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.31ms. Allocated memory is still 148.9MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.21ms. Allocated memory is still 148.9MB. Free memory was 117.8MB in the beginning and 100.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 677.22ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 54.5MB in the end (delta: 45.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:25,417 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE