./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.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_2-2.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_2-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_2-2.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 20:13:20,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:20,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:20,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:20,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:20,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:20,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:20,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:20,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:20,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:20,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:20,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:20,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:20,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:20,746 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:20,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:20,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:20,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:20,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:20,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:20,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:20,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:20,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:20,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:20,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:20,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:20,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:20,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:20,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:20,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:20,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:20,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:20,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:20,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:20,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:20,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:20,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:20,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:20,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:20,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:20,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:20,941 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:20,945 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:20,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_2-2.yml/witness-2.1.yml [2024-09-12 20:13:21,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:21,018 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:21,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2024-09-12 20:13:22,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:22,417 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:22,417 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2024-09-12 20:13:22,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d034590c0/1a539deec2644aff96a406d6408bb86f/FLAG8a634542d [2024-09-12 20:13:22,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d034590c0/1a539deec2644aff96a406d6408bb86f [2024-09-12 20:13:22,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:22,439 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:22,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:22,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:22,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:22,446 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 08:13:21" (1/2) ... [2024-09-12 20:13:22,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b8c2f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:22, skipping insertion in model container [2024-09-12 20:13:22,448 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 08:13:21" (1/2) ... [2024-09-12 20:13:22,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@288a6c9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:22, skipping insertion in model container [2024-09-12 20:13:22,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:22" (2/2) ... [2024-09-12 20:13:22,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b8c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22, skipping insertion in model container [2024-09-12 20:13:22,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:22" (2/2) ... [2024-09-12 20:13:22,455 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:22,458 INFO L1541 ArrayList]: Function contract at [L19]: requires (\old(n) <= 1), ensures (((\result == 1) && (\old(n) == 1)) || ((\result == 0) && (\old(n) <= 0))) [2024-09-12 20:13:22,458 INFO L1541 ArrayList]: Function contract at [L9]: requires (2 == \old(n)), ensures ((2 == \old(n)) && (\result == 1)) [2024-09-12 20:13:22,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:22,627 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_2-2.c[946,959] [2024-09-12 20:13:22,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:22,653 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:13:22,693 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_2-2.c[946,959] [2024-09-12 20:13:22,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:22,706 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:22,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22 WrapperNode [2024-09-12 20:13:22,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:22,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:22,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:22,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:22,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,734 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 20:13:22,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:22,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:22,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:22,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:22,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (1/1) ... [2024-09-12 20:13:22,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:22,770 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 20:13:22,771 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 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-09-12 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-09-12 20:13:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:13:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:13:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:13:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:13:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:22,867 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:22,873 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:22,932 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:22,972 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:23,035 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:23,035 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:23,058 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:23,059 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:23,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:23 BoogieIcfgContainer [2024-09-12 20:13:23,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:23,059 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:23,060 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:23,060 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:23,060 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 08:13:21" (1/4) ... [2024-09-12 20:13:23,061 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@270825d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,061 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:22" (2/4) ... [2024-09-12 20:13:23,061 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@270825d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,061 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:22" (3/4) ... [2024-09-12 20:13:23,061 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@270825d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,061 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:23" (4/4) ... [2024-09-12 20:13:23,062 INFO L79 RefereeObserver]: Analyzing ICFG fibo_2calls_2-2.c [2024-09-12 20:13:23,065 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:23,066 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 13 edges. [2024-09-12 20:13:23,066 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:23,067 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 13 edges. [2024-09-12 20:13:23,067 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:23,067 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-12 20:13:23,067 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err8ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:23,068 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:13:23,068 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 12 edges. [2024-09-12 20:13:23,068 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:23,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:23,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:13:23,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 12 edges. [2024-09-12 20:13:23,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:23,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:13:23,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:13:23,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:13:23,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:23,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:13:23,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo2ENTRY to ERROR_LOC fibo2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:13:23,072 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fibo1ENTRY to ERROR_LOC fibo1Err8ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:23,072 INFO L130 InvariantChecker]: Will check 20 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:23,135 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 13 edges [2024-09-12 20:13:23,136 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,189 INFO L101 BaseMinimizeStates]: Removed 24 edges and 12 locations by large block encoding [2024-09-12 20:13:23,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,215 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,228 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:23,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,235 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:23,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,240 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:23,252 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 13 edges [2024-09-12 20:13:23,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,268 INFO L101 BaseMinimizeStates]: Removed 24 edges and 12 locations by large block encoding [2024-09-12 20:13:23,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,270 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,271 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,285 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:13:23,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,301 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:13:23,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,302 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,305 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,313 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:23,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,317 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:23,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,320 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:13:23,329 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 20:13:23,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,363 INFO L101 BaseMinimizeStates]: Removed 30 edges and 13 locations by large block encoding [2024-09-12 20:13:23,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,370 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err8ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:13:23,379 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:23,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,385 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:23,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,391 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,419 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-12 20:13:23,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,437 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-12 20:13:23,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,441 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,452 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:23,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,456 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:23,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,457 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,461 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,472 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:23,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,479 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:23,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,482 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:23,491 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:13:23,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,492 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,493 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:13:23,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,495 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:23,505 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-12 20:13:23,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,517 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-12 20:13:23,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,518 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,520 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,528 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:23,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,531 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:23,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,531 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,532 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,533 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,540 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:13:23,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,551 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:13:23,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,552 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,552 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,552 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,554 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:23,561 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:13:23,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,573 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:13:23,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,574 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,576 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:23,584 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:13:23,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,592 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:13:23,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,596 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,603 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:13:23,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,603 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,603 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,612 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:13:23,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,620 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,627 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:23,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,628 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,628 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,634 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:23,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,640 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,646 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:13:23,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,652 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:13:23,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,654 INFO L514 InvariantChecker]: The annotation(s) from entry fibo2ENTRY to error location fibo2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:23,660 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 20:13:23,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:23,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:23,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:23,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:23,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,677 INFO L101 BaseMinimizeStates]: Removed 30 edges and 13 locations by large block encoding [2024-09-12 20:13:23,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:23,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:23,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:23,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:23,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:23,684 INFO L514 InvariantChecker]: The annotation(s) from entry fibo1ENTRY to error location fibo1Err8ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:13:23,687 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:13:23,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@270825d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:13:23, skipping insertion in model container [2024-09-12 20:13:23,688 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:13:23,689 INFO L158 Benchmark]: Toolchain (without parser) took 1250.26ms. Allocated memory is still 178.3MB. Free memory was 148.4MB in the beginning and 84.5MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-12 20:13:23,690 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:23,690 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:23,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.06ms. Allocated memory is still 178.3MB. Free memory was 148.4MB in the beginning and 135.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:23,691 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 178.3MB. Free memory was 135.4MB in the beginning and 133.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:23,691 INFO L158 Benchmark]: RCFGBuilder took 313.46ms. Allocated memory is still 178.3MB. Free memory was 133.3MB in the beginning and 117.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:13:23,692 INFO L158 Benchmark]: Referee took 628.68ms. Allocated memory is still 178.3MB. Free memory was 117.1MB in the beginning and 84.5MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:23,694 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness 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 main to check that a call to reach_error is unreachable at line 41. 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 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 procedure precondition always holds 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 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 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 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 fibo2 to exit of procedure fibo2. 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 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 fibo2 to check that integer overflow can never occur at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.06ms. Allocated memory is still 178.3MB. Free memory was 148.4MB in the beginning and 135.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 178.3MB. Free memory was 135.4MB in the beginning and 133.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.46ms. Allocated memory is still 178.3MB. Free memory was 133.3MB in the beginning and 117.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 628.68ms. Allocated memory is still 178.3MB. Free memory was 117.1MB in the beginning and 84.5MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:23,722 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 Result: TRUE