./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_5-1.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_5-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_5-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:34:07,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:34:07,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:34:07,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:34:07,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:34:07,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:34:07,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:34:07,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:34:07,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:34:07,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:34:07,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:34:07,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:34:07,392 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:34:07,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:34:07,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:34:07,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:34:07,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:34:07,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:34:07,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:34:07,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:34:07,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:34:07,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:34:07,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:34:07,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:34:07,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:34:07,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:34:07,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:34:07,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:34:07,402 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:34:07,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:34:07,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:34:07,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:07,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:07,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:07,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:07,767 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:07,768 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:07,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fibo_5-1.yml/witness-2.1.yml [2024-10-15 15:34:07,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:07,825 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:07,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_5-1.c [2024-10-15 15:34:09,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:09,668 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:09,668 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_5-1.c [2024-10-15 15:34:09,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/09bf5e837/3d0a80ce96274c96bca6a3df06528ee4/FLAGb817663ea [2024-10-15 15:34:09,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/09bf5e837/3d0a80ce96274c96bca6a3df06528ee4 [2024-10-15 15:34:09,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:09,695 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:09,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:09,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:09,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:09,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:07" (1/2) ... [2024-10-15 15:34:09,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19110832 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:09, skipping insertion in model container [2024-10-15 15:34:09,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:07" (1/2) ... [2024-10-15 15:34:09,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70203f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:09, skipping insertion in model container [2024-10-15 15:34:09,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:09" (2/2) ... [2024-10-15 15:34:09,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19110832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:09, skipping insertion in model container [2024-10-15 15:34:09,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:09" (2/2) ... [2024-10-15 15:34:09,711 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:09,714 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (((((((((\result == 3) && (4 == n)) || ((2 == n) && (\result == 1))) || (n < 1)) || ((3 == n) && (\result == 2))) || (5 < n)) || ((\result == 1) && (1 == n))) || ((\result == 5) && (5 == n))) && ((0 < n) || (\result == 0))) [2024-10-15 15:34:09,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:09,927 WARN L248 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_5-1.c[740,753] [2024-10-15 15:34:09,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:09,943 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:34:09,985 WARN L248 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_5-1.c[740,753] [2024-10-15 15:34:09,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:10,002 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:10,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10 WrapperNode [2024-10-15 15:34:10,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:10,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:10,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:10,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:10,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,024 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:10,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:10,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:10,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:10,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:10,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,046 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure fibo is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:10,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:10,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:10,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:10,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:10,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:10,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:10,088 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) [2024-10-15 15:34:10,091 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 [2024-10-15 15:34:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2024-10-15 15:34:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2024-10-15 15:34:10,192 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:10,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:10,348 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:10,372 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:10,373 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:10,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:10 BoogieIcfgContainer [2024-10-15 15:34:10,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:10,374 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:10,374 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:10,375 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:10,376 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:07" (1/4) ... [2024-10-15 15:34:10,376 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5be105d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,376 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:09" (2/4) ... [2024-10-15 15:34:10,377 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5be105d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,377 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (3/4) ... [2024-10-15 15:34:10,377 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5be105d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:10" (4/4) ... [2024-10-15 15:34:10,380 INFO L79 RefereeObserver]: Analyzing ICFG fibo_5-1.c [2024-10-15 15:34:10,383 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:10,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:34:10,386 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC fiboErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:34:10,386 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:10,441 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:34:10,445 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:10,445 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:10,446 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:10,447 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:10,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,483 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:34:10,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:10,486 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:10,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:10,488 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:10,511 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:10,532 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:34:10,533 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:10,533 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:10,533 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:10,534 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:10,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,573 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-10-15 15:34:10,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:10,574 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:10,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:10,588 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:10,594 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location fiboErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:10,598 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:10,598 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5be105d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,598 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:10,604 INFO L158 Benchmark]: Toolchain (without parser) took 903.70ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 29.8MB in the beginning and 41.3MB in the end (delta: -11.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,605 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 44.0MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:10,606 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 44.0MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:10,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.90ms. Allocated memory is still 58.7MB. Free memory was 29.5MB in the beginning and 31.9MB in the end (delta: -2.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.22ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 30.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,608 INFO L158 Benchmark]: Boogie Preprocessor took 31.93ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 29.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,609 INFO L158 Benchmark]: RCFGBuilder took 315.21ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 57.4MB in the end (delta: -28.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,610 INFO L158 Benchmark]: Referee took 223.99ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,615 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 main to check that a call to reach_error is unreachable at line 29. Annotation is valid for all loop-free paths from entry of procedure fibo to exit of procedure fibo. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 44.0MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.72ms. Allocated memory is still 44.0MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.90ms. Allocated memory is still 58.7MB. Free memory was 29.5MB in the beginning and 31.9MB in the end (delta: -2.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.22ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 30.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.93ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 29.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.21ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 57.4MB in the end (delta: -28.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 223.99ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:10,648 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE