./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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --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 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_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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:21,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:21,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:21,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:21,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:21,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:21,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:21,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:21,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:21,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:21,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:21,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:21,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:21,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:21,903 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:21,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:21,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:21,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:21,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:21,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:21,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:21,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:21,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:21,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:21,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:21,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:21,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:21,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:21,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:21,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:21,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:21,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:21,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:21,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:21,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:21,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:21,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:21,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:21,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:21,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:21,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:21,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:21,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:22,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:22,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:22,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:22,126 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:22,127 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:22,127 INFO L431 ainManager$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 [2024-09-12 20:13:22,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:22,166 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:22,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_5-1.c [2024-09-12 20:13:23,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:23,534 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:23,535 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_5-1.c [2024-09-12 20:13:23,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/032bb7fb9/b237afee37ed46bf9a70bfeb8b69910e/FLAGd972f0c09 [2024-09-12 20:13:23,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/032bb7fb9/b237afee37ed46bf9a70bfeb8b69910e [2024-09-12 20:13:23,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:23,949 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:23,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:23,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:23,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:23,956 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 08:13:22" (1/2) ... [2024-09-12 20:13:23,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7dfa20 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 20:13:23,958 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 08:13:22" (1/2) ... [2024-09-12 20:13:23,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13edd754 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 20:13:23,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:23" (2/2) ... [2024-09-12 20:13:23,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7dfa20 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 20:13:23,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:23" (2/2) ... [2024-09-12 20:13:23,963 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:23,966 INFO L1541 ArrayList]: Function contract at [L7]: requires (\old(n) <= 5), ensures (\old(n) <= 5) [2024-09-12 20:13:23,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:24,134 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_5-1.c[740,753] [2024-09-12 20:13:24,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:24,150 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:13:24,178 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_5-1.c[740,753] [2024-09-12 20:13:24,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:24,190 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:24,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24 WrapperNode [2024-09-12 20:13:24,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:24,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:24,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:24,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:24,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,211 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 [2024-09-12 20:13:24,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:24,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:24,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:24,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:24,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (1/1) ... [2024-09-12 20:13:24,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:24,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:24,238 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 20:13:24,240 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 20:13:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2024-09-12 20:13:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:13:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:13:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:13:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:13:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:24,328 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:24,330 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:24,384 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:24,438 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:24,438 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:24,455 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:24,455 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:24,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:24 BoogieIcfgContainer [2024-09-12 20:13:24,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:24,456 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:24,456 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:24,457 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:24,457 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 08:13:22" (1/4) ... [2024-09-12 20:13:24,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@397f5e76 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 20:13:24,457 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:23" (2/4) ... [2024-09-12 20:13:24,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@397f5e76 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 20:13:24,457 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:24" (3/4) ... [2024-09-12 20:13:24,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@397f5e76 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 20:13:24,458 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:24" (4/4) ... [2024-09-12 20:13:24,459 INFO L79 RefereeObserver]: Analyzing ICFG fibo_5-1.c [2024-09-12 20:13:24,461 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 12 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 13 edges. [2024-09-12 20:13:24,462 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:24,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr8ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:24,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-12 20:13:24,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fiboENTRY to ERROR_LOC fiboErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:13:24,463 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:24,491 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:13:24,492 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,531 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:13:24,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,532 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,532 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,532 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,549 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,565 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-12 20:13:24,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,586 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-12 20:13:24,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,604 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:24,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,610 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:24,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,613 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,621 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:13:24,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,623 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:13:24,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,628 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:24,637 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:13:24,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,648 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:13:24,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,653 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:24,658 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:24,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,661 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:24,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,665 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,671 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 13 edges [2024-09-12 20:13:24,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,672 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,690 INFO L101 BaseMinimizeStates]: Removed 24 edges and 12 locations by large block encoding [2024-09-12 20:13:24,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,708 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:24,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,716 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:24,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,720 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:24,726 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 20:13:24,727 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,727 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,743 INFO L101 BaseMinimizeStates]: Removed 30 edges and 13 locations by large block encoding [2024-09-12 20:13:24,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,748 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,749 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr8ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:13:24,756 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:24,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,759 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:24,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,766 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:13:24,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:24,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:24,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:24,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:24,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,772 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:13:24,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:24,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:24,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:24,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:24,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:24,777 INFO L514 InvariantChecker]: The annotation(s) from entry fiboENTRY to error location fiboErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:24,783 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:13:24,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@397f5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:13:24, skipping insertion in model container [2024-09-12 20:13:24,783 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:13:24,784 INFO L158 Benchmark]: Toolchain (without parser) took 834.44ms. Allocated memory is still 163.6MB. Free memory was 93.6MB in the beginning and 72.0MB in the end (delta: 21.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-12 20:13:24,785 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:24,785 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:24,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.46ms. Allocated memory is still 163.6MB. Free memory was 93.3MB in the beginning and 128.4MB in the end (delta: -35.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-12 20:13:24,786 INFO L158 Benchmark]: Boogie Preprocessor took 24.10ms. Allocated memory is still 163.6MB. Free memory was 128.4MB in the beginning and 126.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:24,787 INFO L158 Benchmark]: RCFGBuilder took 239.05ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 113.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:13:24,787 INFO L158 Benchmark]: Referee took 327.21ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 72.0MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-12 20:13:24,789 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 fibo to check that integer overflow can never occur at line 13. One counterexample starts in \old(n)=2 and ends in \old(n)=2, n=0. Annotation is not valid for all loop-free paths from entry of procedure fibo to check that integer overflow can never occur at line 13. One counterexample starts in \old(n)=2 and ends in \old(n)=2, 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 29. One counterexample starts in and ends in result=0, x=0. Annotation is valid for all loop-free paths from entry of procedure fibo to check that integer overflow can never occur at line 13. Annotation is valid for all loop-free paths from entry of procedure fibo to check that integer overflow can never occur at line 13. Annotation is valid for all loop-free paths from entry of procedure fibo to exit of procedure fibo. Annotation is valid for all loop-free paths from entry of procedure fibo to check that procedure precondition always holds at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure fibo to check that integer overflow can never occur at line 13. Annotation is valid for all loop-free paths from entry of procedure fibo to check that integer overflow can never occur at line 13. Annotation is valid for all loop-free paths from entry of procedure fibo to check that procedure precondition always holds at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.46ms. Allocated memory is still 163.6MB. Free memory was 93.3MB in the beginning and 128.4MB in the end (delta: -35.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.10ms. Allocated memory is still 163.6MB. Free memory was 128.4MB in the beginning and 126.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.05ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 113.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 327.21ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 72.0MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:24,819 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE