./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/McCarthy91-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/McCarthy91-2.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/McCarthy91-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/McCarthy91-2.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 20:54:12,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:12,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:12,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:12,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:12,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:12,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:12,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:12,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:12,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:12,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:12,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:12,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:12,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:12,834 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:12,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:12,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:12,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:12,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:12,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:12,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:12,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:12,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:12,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:12,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:12,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:12,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:12,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:12,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:12,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:12,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:12,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:12,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:12,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:12,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:12,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:12,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:12,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:13,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:13,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:13,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:13,048 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:13,048 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:13,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/McCarthy91-2.yml/witness-2.1.yml [2024-09-11 20:54:13,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:13,109 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:13,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/McCarthy91-2.c [2024-09-11 20:54:14,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:14,449 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:14,449 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/McCarthy91-2.c [2024-09-11 20:54:14,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6ad454b14/67993cf0b39d4bc699c6593c45009225/FLAG635f84f00 [2024-09-11 20:54:14,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6ad454b14/67993cf0b39d4bc699c6593c45009225 [2024-09-11 20:54:14,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:14,468 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:14,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:14,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:14,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:14,474 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 08:54:13" (1/2) ... [2024-09-11 20:54:14,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480739a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:14, skipping insertion in model container [2024-09-11 20:54:14,474 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 08:54:13" (1/2) ... [2024-09-11 20:54:14,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@352c27e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:14, skipping insertion in model container [2024-09-11 20:54:14,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:14" (2/2) ... [2024-09-11 20:54:14,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480739a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14, skipping insertion in model container [2024-09-11 20:54:14,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:14" (2/2) ... [2024-09-11 20:54:14,481 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:14,482 INFO L1541 ArrayList]: Function contract at [L17]: requires null, ensures (((\result == 91) && (\old(x) <= 100)) || ((91 <= \result) && (\old(x) == ((long long) \result + 10)))) [2024-09-11 20:54:14,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:14,624 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/McCarthy91-2.c[749,762] [2024-09-11 20:54:14,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:14,644 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:14,695 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/McCarthy91-2.c[749,762] [2024-09-11 20:54:14,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:14,710 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:14,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14 WrapperNode [2024-09-11 20:54:14,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:14,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:14,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:14,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:14,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,733 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f91 is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:14,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:14,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:14,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:14,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:14,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (1/1) ... [2024-09-11 20:54:14,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:14,781 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 20:54:14,782 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 20:54:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2024-09-11 20:54:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:14,866 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:14,868 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:14,985 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:14,985 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:14,998 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:14,998 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:14,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:14 BoogieIcfgContainer [2024-09-11 20:54:14,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:14,999 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:14,999 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:15,000 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:15,000 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 08:54:13" (1/4) ... [2024-09-11 20:54:15,000 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e35ed30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:15, skipping insertion in model container [2024-09-11 20:54:15,000 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:14" (2/4) ... [2024-09-11 20:54:15,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e35ed30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:15, skipping insertion in model container [2024-09-11 20:54:15,001 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:14" (3/4) ... [2024-09-11 20:54:15,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e35ed30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:15, skipping insertion in model container [2024-09-11 20:54:15,001 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:14" (4/4) ... [2024-09-11 20:54:15,002 INFO L79 RefereeObserver]: Analyzing ICFG McCarthy91-2.c [2024-09-11 20:54:15,008 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:15,008 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:15,009 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC f91Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:15,009 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:15,039 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:15,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:15,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:15,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:15,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:15,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,067 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:15,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:15,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:15,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:15,070 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:15,090 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:15,102 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:54:15,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:15,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:15,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:15,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:15,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,131 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:54:15,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:15,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:15,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:15,143 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:15,146 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location f91Err0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:15,148 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:15,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e35ed30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:15, skipping insertion in model container [2024-09-11 20:54:15,151 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:15,153 INFO L158 Benchmark]: Toolchain (without parser) took 683.60ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 94.8MB in the beginning and 186.4MB in the end (delta: -91.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:15,153 INFO L158 Benchmark]: Witness Parser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:15,153 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:15,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 136.8MB in the end (delta: -42.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:15,154 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 136.8MB in the beginning and 210.5MB in the end (delta: -73.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:15,155 INFO L158 Benchmark]: RCFGBuilder took 242.50ms. Allocated memory is still 239.1MB. Free memory was 210.5MB in the beginning and 196.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:15,156 INFO L158 Benchmark]: Referee took 152.28ms. Allocated memory is still 239.1MB. Free memory was 196.9MB in the beginning and 186.4MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:15,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 32. Annotation is valid for all loop-free paths from entry of procedure f91 to exit of procedure f91. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.24ms. Allocated memory is still 167.8MB. Free memory was 94.8MB in the beginning and 136.8MB in the end (delta: -42.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.64ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 136.8MB in the beginning and 210.5MB in the end (delta: -73.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 242.50ms. Allocated memory is still 239.1MB. Free memory was 210.5MB in the beginning and 196.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 152.28ms. Allocated memory is still 239.1MB. Free memory was 196.9MB in the beginning and 186.4MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:15,181 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/McCarthy91-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/McCarthy91-2.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 20:54:16,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:17,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:17,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:17,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:17,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:17,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:17,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:17,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:17,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:17,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:17,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:17,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:17,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:17,041 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:17,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:17,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:17,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:17,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:17,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:17,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:17,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:17,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:17,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:17,043 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:17,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:17,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:17,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:17,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:17,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:17,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:17,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:17,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:17,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:17,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:17,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:17,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:17,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:17,046 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:17,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:17,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:17,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:17,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:17,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:17,316 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:17,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/McCarthy91-2.c [2024-09-11 20:54:18,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:18,687 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:18,687 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/McCarthy91-2.c [2024-09-11 20:54:18,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d91629a86/e4be001735a24e0287d2da9175323f77/FLAGbc65184e6 [2024-09-11 20:54:18,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d91629a86/e4be001735a24e0287d2da9175323f77 [2024-09-11 20:54:18,710 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:18,711 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:18,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/McCarthy91-2.yml/witness-2.1.yml [2024-09-11 20:54:18,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:18,755 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:18,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:18,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:18,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:18,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:18" (1/2) ... [2024-09-11 20:54:18,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dfaa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:18" (1/2) ... [2024-09-11 20:54:18,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52b77103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,766 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 08:54:18" (2/2) ... [2024-09-11 20:54:18,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55dfaa7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:18, skipping insertion in model container [2024-09-11 20:54:18,767 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 08:54:18" (2/2) ... [2024-09-11 20:54:18,771 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:18,771 INFO L1541 ArrayList]: Function contract at [L17]: requires null, ensures (((\result == 91) && (\old(x) <= 100)) || ((91 <= \result) && (\old(x) == ((long long) \result + 10)))) [2024-09-11 20:54:18,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:18,918 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/McCarthy91-2.c[749,762] [2024-09-11 20:54:18,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:18,935 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:18,966 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/McCarthy91-2.c[749,762] [2024-09-11 20:54:18,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:18,981 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:18,982 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:18 WrapperNode [2024-09-11 20:54:18,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:18,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:18,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:18,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:18,992 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 08:54:18" (1/1) ... [2024-09-11 20:54:18,992 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,000 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,008 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f91 is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:19,008 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,008 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,016 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,018 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,018 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,019 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:19,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:19,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:19,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:19,023 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 08:54:18" (1/1) ... [2024-09-11 20:54:19,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:19,050 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 20:54:19,054 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 20:54:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2024-09-11 20:54:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:19,135 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:19,138 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:19,277 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:19,277 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:19,298 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:19,301 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:19,302 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:19 BoogieIcfgContainer [2024-09-11 20:54:19,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:19,303 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:19,303 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:19,303 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:19,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:18" (1/4) ... [2024-09-11 20:54:19,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79df7cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,304 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 08:54:18" (2/4) ... [2024-09-11 20:54:19,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79df7cc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,304 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 08:54:18" (3/4) ... [2024-09-11 20:54:19,305 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79df7cc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,305 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 08:54:19" (4/4) ... [2024-09-11 20:54:19,306 INFO L79 RefereeObserver]: Analyzing ICFG McCarthy91-2.c [2024-09-11 20:54:19,308 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:19,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:19,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC f91Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:54:19,309 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:19,352 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:19,352 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,383 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:19,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,406 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:19,418 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:54:19,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:19,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:19,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:19,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:19,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,440 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:54:19,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:19,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:19,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:19,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:19,447 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:19,460 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location f91Err0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:19,463 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:19,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79df7cc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:19, skipping insertion in model container [2024-09-11 20:54:19,463 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:19,465 INFO L158 Benchmark]: Toolchain (without parser) took 709.42ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 39.7MB in the end (delta: 2.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:19,465 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:19,465 INFO L158 Benchmark]: Witness Parser took 0.61ms. Allocated memory is still 71.3MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:19,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.32ms. Allocated memory is still 71.3MB. Free memory was 41.8MB in the beginning and 46.4MB in the end (delta: -4.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:19,467 INFO L158 Benchmark]: Boogie Preprocessor took 38.65ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:19,467 INFO L158 Benchmark]: RCFGBuilder took 279.66ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 30.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:19,468 INFO L158 Benchmark]: Referee took 160.77ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 39.7MB in the end (delta: -8.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:19,470 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 f91 to exit of procedure f91. 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 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.61ms. Allocated memory is still 71.3MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.32ms. Allocated memory is still 71.3MB. Free memory was 41.8MB in the beginning and 46.4MB in the end (delta: -4.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.65ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.66ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 30.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 160.77ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 39.7MB in the end (delta: -8.8MB). 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 20:54:19,489 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: UNKNOWN