./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/recHanoi03-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi03-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/recHanoi03-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi03-2.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:12:43,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:43,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:43,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:43,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:43,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:43,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:43,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:43,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:43,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:43,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:43,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:43,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:43,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:43,583 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:43,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:43,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:43,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:43,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:43,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:43,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:43,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:43,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:43,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:43,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:43,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:43,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:43,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:43,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:43,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:43,589 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:43,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:43,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:43,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:43,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:43,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:43,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:43,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:43,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:43,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:43,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:43,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:43,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:43,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:43,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:43,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:43,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:43,800 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:43,800 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:43,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi03-2.yml/witness-2.1.yml [2024-09-20 20:12:43,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:43,854 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:43,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/recHanoi03-2.c [2024-09-20 20:12:45,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:12:45,344 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:12:45,345 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/recHanoi03-2.c [2024-09-20 20:12:45,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3cf7ab4bd/3dba6e1434504146a95ffa505445bd18/FLAG81f8805df [2024-09-20 20:12:45,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3cf7ab4bd/3dba6e1434504146a95ffa505445bd18 [2024-09-20 20:12:45,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:12:45,762 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:12:45,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:45,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:12:45,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:12:45,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:43" (1/2) ... [2024-09-20 20:12:45,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e6982b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:45, skipping insertion in model container [2024-09-20 20:12:45,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:43" (1/2) ... [2024-09-20 20:12:45,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@329299bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:45, skipping insertion in model container [2024-09-20 20:12:45,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:45" (2/2) ... [2024-09-20 20:12:45,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e6982b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:45, skipping insertion in model container [2024-09-20 20:12:45,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:45" (2/2) ... [2024-09-20 20:12:45,778 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:12:45,779 INFO L1541 ArrayList]: Function contract at [L18]: requires null, ensures (((((((3 <= \result) && (\old(n) <= 2)) || (126 < \result)) || ((((long long) \old(n) + 11) <= \result) && (31 <= \result))) || ((\result == 1) && (\old(n) == 1))) || ((7 <= \result) && (\old(n) <= 3))) || ((15 <= \result) && (\old(n) <= 4))) [2024-09-20 20:12:45,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:12:46,000 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/recHanoi03-2.c[769,782] [2024-09-20 20:12:46,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:46,020 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 20:12:46,057 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/recHanoi03-2.c[769,782] [2024-09-20 20:12:46,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:46,070 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:12:46,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46 WrapperNode [2024-09-20 20:12:46,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:46,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:12:46,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:12:46,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:12:46,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,096 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure hanoi is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:12:46,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:12:46,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:12:46,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:12:46,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:12:46,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (1/1) ... [2024-09-20 20:12:46,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:46,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:12:46,136 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) [2024-09-20 20:12:46,142 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 [2024-09-20 20:12:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:12:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:12:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:12:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-09-20 20:12:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-09-20 20:12:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:12:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:12:46,238 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:12:46,240 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:12:46,341 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:12:46,356 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:12:46,357 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:12:46,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:46 BoogieIcfgContainer [2024-09-20 20:12:46,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:12:46,357 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:12:46,358 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:12:46,358 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:12:46,358 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:43" (1/4) ... [2024-09-20 20:12:46,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fdbc415 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:46, skipping insertion in model container [2024-09-20 20:12:46,359 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:12:45" (2/4) ... [2024-09-20 20:12:46,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fdbc415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:46, skipping insertion in model container [2024-09-20 20:12:46,359 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:46" (3/4) ... [2024-09-20 20:12:46,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fdbc415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:46, skipping insertion in model container [2024-09-20 20:12:46,360 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:46" (4/4) ... [2024-09-20 20:12:46,360 INFO L79 RefereeObserver]: Analyzing ICFG recHanoi03-2.c [2024-09-20 20:12:46,363 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:12:46,364 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-20 20:12:46,364 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC hanoiErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:12:46,364 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:12:46,396 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:12:46,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:46,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:46,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:46,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:46,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:46,427 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:12:46,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:46,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:46,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:46,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:46,435 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:46,451 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:46,458 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:12:46,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:46,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:46,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:46,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:46,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:46,472 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-20 20:12:46,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:46,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:46,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:46,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:46,482 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:46,488 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location hanoiErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:46,491 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:12:46,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fdbc415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:46, skipping insertion in model container [2024-09-20 20:12:46,492 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:46,494 INFO L158 Benchmark]: Toolchain (without parser) took 731.66ms. Allocated memory is still 192.9MB. Free memory was 120.2MB in the beginning and 131.5MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:46,494 INFO L158 Benchmark]: Witness Parser took 0.49ms. Allocated memory is still 192.9MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:46,494 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:46,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.11ms. Allocated memory is still 192.9MB. Free memory was 120.0MB in the beginning and 158.7MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:12:46,496 INFO L158 Benchmark]: Boogie Preprocessor took 36.66ms. Allocated memory is still 192.9MB. Free memory was 158.7MB in the beginning and 156.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:46,497 INFO L158 Benchmark]: RCFGBuilder took 247.48ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 144.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:46,497 INFO L158 Benchmark]: Referee took 135.02ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 131.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:46,499 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 hanoi to exit of procedure hanoi. 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 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.49ms. Allocated memory is still 192.9MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.11ms. Allocated memory is still 192.9MB. Free memory was 120.0MB in the beginning and 158.7MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.66ms. Allocated memory is still 192.9MB. Free memory was 158.7MB in the beginning and 156.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.48ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 144.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 135.02ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 131.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:12:46,527 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