./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/recHanoi02-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi02-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive/recHanoi02-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi02-2.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-dev-a9b967e-m [2024-09-11 20:54:15,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:15,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:15,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:15,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:15,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:15,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:15,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:15,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:15,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:15,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:15,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:15,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:15,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:15,834 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:15,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:15,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:15,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:15,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:15,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:15,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:15,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:15,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:15,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:15,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:15,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:15,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:15,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:15,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:15,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:15,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:15,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:15,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:15,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:15,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:15,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:15,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:15,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:15,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:15,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:15,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:15,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:15,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:16,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:16,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:16,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:16,105 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:16,106 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:16,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi02-2.yml/witness-2.1.yml [2024-09-11 20:54:16,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:16,160 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:16,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/recHanoi02-2.c [2024-09-11 20:54:17,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:17,713 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:17,713 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/recHanoi02-2.c [2024-09-11 20:54:17,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5e2821459/5674c37c661b4140b0d3ac9784ce1f5c/FLAG3b0d8b2b9 [2024-09-11 20:54:17,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5e2821459/5674c37c661b4140b0d3ac9784ce1f5c [2024-09-11 20:54:17,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:17,738 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:17,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:17,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:17,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:17,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:16" (1/2) ... [2024-09-11 20:54:17,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a8d6ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:17, skipping insertion in model container [2024-09-11 20:54:17,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:16" (1/2) ... [2024-09-11 20:54:17,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d34fc11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:17, skipping insertion in model container [2024-09-11 20:54:17,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:17" (2/2) ... [2024-09-11 20:54:17,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a8d6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17, skipping insertion in model container [2024-09-11 20:54:17,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:17" (2/2) ... [2024-09-11 20:54:17,757 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:17,757 INFO L1541 ArrayList]: Function contract at [L20]: requires null, ensures ((\result == 1) || (2 < \result)) [2024-09-11 20:54:17,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:17,910 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/recHanoi02-2.c[839,852] [2024-09-11 20:54:17,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:17,923 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:17,955 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/recHanoi02-2.c[839,852] [2024-09-11 20:54:17,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:17,968 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:17,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17 WrapperNode [2024-09-11 20:54:17,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:17,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:17,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:17,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:17,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:17,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:17,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:17,994 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 [2024-09-11 20:54:17,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:17,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:17,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:18,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:18,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:18,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:18,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:18,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:18,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:18,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:18,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (1/1) ... [2024-09-11 20:54:18,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:18,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:18,044 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) [2024-09-11 20:54:18,050 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 [2024-09-11 20:54:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-09-11 20:54:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:18,147 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:18,148 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:18,283 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:18,284 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:18,299 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:18,299 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:18,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:18 BoogieIcfgContainer [2024-09-11 20:54:18,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:18,301 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:18,301 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:18,301 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:18,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:16" (1/4) ... [2024-09-11 20:54:18,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d1d5090 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:17" (2/4) ... [2024-09-11 20:54:18,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d1d5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:17" (3/4) ... [2024-09-11 20:54:18,303 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d1d5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:18" (4/4) ... [2024-09-11 20:54:18,304 INFO L79 RefereeObserver]: Analyzing ICFG recHanoi02-2.c [2024-09-11 20:54:18,307 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:18,308 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:18,308 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC hanoiErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:18,308 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:18,335 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:18,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:18,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:18,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:18,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:18,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:18,360 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:18,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:18,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:18,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:18,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:18,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:18,377 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:18,385 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:18,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:18,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:18,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:18,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:18,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:18,395 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:18,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:18,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:18,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:18,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:18,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:18,403 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location hanoiErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:18,406 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:18,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d1d5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,406 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:18,408 INFO L158 Benchmark]: Toolchain (without parser) took 669.67ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 62.1MB in the beginning and 123.6MB in the end (delta: -61.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:18,408 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:18,409 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 108.3MB in the beginning and 108.2MB in the end (delta: 131.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:18,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.80ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 61.8MB in the beginning and 146.7MB in the end (delta: -84.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:18,410 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:18,410 INFO L158 Benchmark]: RCFGBuilder took 295.24ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 132.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:18,411 INFO L158 Benchmark]: Referee took 105.81ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:18,413 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 108.3MB in the beginning and 108.2MB in the end (delta: 131.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.80ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 61.8MB in the beginning and 146.7MB in the end (delta: -84.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 295.24ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 132.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 105.81ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:18,438 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/recHanoi02-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi02-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:54:20,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:20,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:20,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:20,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:20,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:20,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:20,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:20,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:20,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:20,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:20,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:20,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:20,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:20,445 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:20,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:20,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:20,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:20,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:20,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:20,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:20,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:20,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:20,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:20,452 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:20,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:20,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:20,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:20,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:20,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:20,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:20,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:20,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:20,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:20,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:20,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:20,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:20,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:20,455 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:20,455 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:20,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:20,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:20,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:20,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:20,457 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:20,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:20,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:20,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:20,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:20,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:20,773 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:20,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/recHanoi02-2.c [2024-09-11 20:54:22,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:22,392 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:22,392 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/recHanoi02-2.c [2024-09-11 20:54:22,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/977a9f1d7/3f8b6905ff55420eb2e1f45a7a37afb1/FLAG0279b4441 [2024-09-11 20:54:22,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/977a9f1d7/3f8b6905ff55420eb2e1f45a7a37afb1 [2024-09-11 20:54:22,410 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:22,410 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:22,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recHanoi02-2.yml/witness-2.1.yml [2024-09-11 20:54:22,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:22,452 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:22,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:22,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:22,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:22,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:22" (1/2) ... [2024-09-11 20:54:22,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d5c1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:22, skipping insertion in model container [2024-09-11 20:54:22,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:22" (1/2) ... [2024-09-11 20:54:22,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44fcc3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:22, skipping insertion in model container [2024-09-11 20:54:22,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:22" (2/2) ... [2024-09-11 20:54:22,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d5c1cd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22, skipping insertion in model container [2024-09-11 20:54:22,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:22" (2/2) ... [2024-09-11 20:54:22,472 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:22,473 INFO L1541 ArrayList]: Function contract at [L20]: requires null, ensures ((\result == 1) || (2 < \result)) [2024-09-11 20:54:22,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:22,666 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/recHanoi02-2.c[839,852] [2024-09-11 20:54:22,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:22,697 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:22,737 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/recHanoi02-2.c[839,852] [2024-09-11 20:54:22,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:22,756 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:22,757 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22 WrapperNode [2024-09-11 20:54:22,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:22,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:22,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:22,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:22,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,788 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 [2024-09-11 20:54:22,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:22,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:22,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:22,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:22,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (1/1) ... [2024-09-11 20:54:22,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:22,839 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) [2024-09-11 20:54:22,851 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 [2024-09-11 20:54:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:22,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-09-11 20:54:22,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:22,968 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:22,970 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:23,138 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:23,138 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:23,167 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:23,168 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:23,168 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:23 BoogieIcfgContainer [2024-09-11 20:54:23,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:23,169 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:23,169 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:23,171 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:23,172 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:22" (1/4) ... [2024-09-11 20:54:23,173 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc67d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:23, skipping insertion in model container [2024-09-11 20:54:23,173 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:22" (2/4) ... [2024-09-11 20:54:23,173 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc67d7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:23, skipping insertion in model container [2024-09-11 20:54:23,174 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:22" (3/4) ... [2024-09-11 20:54:23,174 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc67d7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:23, skipping insertion in model container [2024-09-11 20:54:23,174 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:23" (4/4) ... [2024-09-11 20:54:23,175 INFO L79 RefereeObserver]: Analyzing ICFG recHanoi02-2.c [2024-09-11 20:54:23,192 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:23,194 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:23,195 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC hanoiErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:23,195 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:23,233 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:23,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:23,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:23,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:23,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:23,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:23,250 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:23,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:23,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:23,252 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:23,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:23,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:23,270 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:23,284 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:23,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:23,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:23,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:23,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:23,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:23,294 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:23,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:23,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:23,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:23,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:23,306 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:23,326 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:23,327 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc67d7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:23, skipping insertion in model container [2024-09-11 20:54:23,327 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:23,329 INFO L158 Benchmark]: Toolchain (without parser) took 876.15ms. Allocated memory was 81.8MB in the beginning and 123.7MB in the end (delta: 41.9MB). Free memory was 40.0MB in the beginning and 93.2MB in the end (delta: -53.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:23,330 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 81.8MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:23,330 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:23,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.88ms. Allocated memory is still 81.8MB. Free memory was 39.8MB in the beginning and 50.6MB in the end (delta: -10.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:23,332 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 81.8MB. Free memory was 50.6MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:23,332 INFO L158 Benchmark]: RCFGBuilder took 362.77ms. Allocated memory is still 81.8MB. Free memory was 48.4MB in the beginning and 35.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:23,333 INFO L158 Benchmark]: Referee took 158.95ms. Allocated memory was 81.8MB in the beginning and 123.7MB in the end (delta: 41.9MB). Free memory was 35.6MB in the beginning and 93.2MB in the end (delta: -57.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:23,335 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 hanoi to exit of procedure hanoi. One counterexample starts in \old(n)=0 and ends in \old(n)=0, \result=0, n=0. 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 81.8MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.88ms. Allocated memory is still 81.8MB. Free memory was 39.8MB in the beginning and 50.6MB in the end (delta: -10.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 81.8MB. Free memory was 50.6MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.77ms. Allocated memory is still 81.8MB. Free memory was 48.4MB in the beginning and 35.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 158.95ms. Allocated memory was 81.8MB in the beginning and 123.7MB in the end (delta: 41.9MB). Free memory was 35.6MB in the beginning and 93.2MB in the end (delta: -57.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:23,359 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE