./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_i5_o5-2.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-simple/id2_i5_o5-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_i5_o5-2.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 20:54:26,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:26,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:26,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:26,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:26,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:26,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:26,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:26,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:26,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:26,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:26,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:26,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:26,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:26,859 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:26,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:26,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:26,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:26,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:26,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:26,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:26,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:26,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:26,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:26,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:26,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:26,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:26,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:26,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:26,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:26,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:26,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:26,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:26,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:26,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:26,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:26,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:26,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:26,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:26,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:26,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:26,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:26,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:27,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:27,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:27,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:27,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:27,172 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:27,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2024-09-11 20:54:28,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:28,827 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:28,828 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2024-09-11 20:54:28,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/34dcb7149/ffe2e575f82148a3bbd3b40593f2f105/FLAG5ba9e0d7d [2024-09-11 20:54:29,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/34dcb7149/ffe2e575f82148a3bbd3b40593f2f105 [2024-09-11 20:54:29,169 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:29,170 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:29,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_i5_o5-2.yml/witness-2.1.yml [2024-09-11 20:54:29,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:29,215 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:29,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:29,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:29,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:29,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:29,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf80ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:29" (1/2) ... [2024-09-11 20:54:29,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b246c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,225 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 08:54:29" (2/2) ... [2024-09-11 20:54:29,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf80ed3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,225 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 08:54:29" (2/2) ... [2024-09-11 20:54:29,230 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:29,230 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((((((\old(x) == 0) && (\result == 0)) || (\old(x) == 1)) || (((\result == 2) && (\old(x) <= 3)) && (2 <= \old(x)))) || (4 < \old(x))) || (((3 == \old(x)) || (\result == 4)) && (3 <= \old(x)))) [2024-09-11 20:54:29,231 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((((((\old(x) == 0) || (\old(x) == 4)) || ((5 == \result) && (5 == \old(x)))) || ((((3 == \result) && (\old(x) <= 4)) || (\old(x) == 2)) && (2 <= \old(x)))) || (((\result == 1) && (\old(x) <= 2)) && (1 <= \old(x)))) || (5 < \old(x))) [2024-09-11 20:54:29,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:29,386 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-09-11 20:54:29,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:29,409 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:54:29,457 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-09-11 20:54:29,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:29,478 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:29,479 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:29 WrapperNode [2024-09-11 20:54:29,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:29,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:29,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:29,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:29,493 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,493 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,500 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,510 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:29,510 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,511 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,517 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,520 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,521 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,521 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:29,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:29,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:29,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:29,529 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 08:54:29" (1/1) ... [2024-09-11 20:54:29,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:29,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:29,555 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 20:54:29,557 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 20:54:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:29,659 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:29,661 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:29,842 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:29,842 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:29,857 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:29,857 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:29,857 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:29 BoogieIcfgContainer [2024-09-11 20:54:29,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:29,858 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:29,858 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:29,859 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:29,859 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:29" (1/4) ... [2024-09-11 20:54:29,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b22b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,860 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 08:54:29" (2/4) ... [2024-09-11 20:54:29,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b22b77 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,860 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 08:54:29" (3/4) ... [2024-09-11 20:54:29,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b22b77 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,860 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 08:54:29" (4/4) ... [2024-09-11 20:54:29,861 INFO L79 RefereeObserver]: Analyzing ICFG id2_i5_o5-2.c [2024-09-11 20:54:29,864 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:29,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:29,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:29,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC id2Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:29,865 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:29,906 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:29,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:29,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:29,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:29,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:29,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,924 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:29,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:29,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:29,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:29,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:29,941 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:29,952 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:29,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:29,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:29,953 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:29,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:29,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,962 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:29,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:29,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:29,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:29,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:29,971 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:29,980 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:29,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:29,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:29,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:29,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:29,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,991 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:29,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:29,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:29,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:29,995 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:30,000 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location id2Err0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:30,003 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:30,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b22b77 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:30, skipping insertion in model container [2024-09-11 20:54:30,004 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:30,005 INFO L158 Benchmark]: Toolchain (without parser) took 789.94ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 88.4MB in the end (delta: 44.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,006 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,006 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.62ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 119.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,007 INFO L158 Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:30,008 INFO L158 Benchmark]: RCFGBuilder took 329.86ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 103.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,009 INFO L158 Benchmark]: Referee took 145.68ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 88.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:30,012 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 id to exit of procedure id. Annotation is valid for all loop-free paths from entry of procedure id2 to exit of procedure id2. 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 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.62ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 119.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.25ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.86ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 103.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 145.68ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 88.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:30,042 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-simple/id2_i5_o5-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_i5_o5-2.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 20:54:32,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:32,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:32,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:32,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:32,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:32,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:32,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:32,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:32,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:32,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:32,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:32,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:32,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:32,323 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:32,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:32,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:32,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:32,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:32,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:32,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:32,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:32,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:32,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:32,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:32,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:32,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:32,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:32,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:32,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:32,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:32,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:32,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:32,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:32,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:32,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:32,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:32,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:32,331 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:32,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:32,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:32,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:32,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:32,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:32,337 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:32,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:32,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:32,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:32,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:32,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:32,682 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:32,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2024-09-11 20:54:34,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:34,473 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:34,473 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2024-09-11 20:54:34,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/eef9d7929/872d612a5033459fa20af39f9de52e11/FLAG3adcf9418 [2024-09-11 20:54:34,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/eef9d7929/872d612a5033459fa20af39f9de52e11 [2024-09-11 20:54:34,867 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:34,869 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:34,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_i5_o5-2.yml/witness-2.1.yml [2024-09-11 20:54:34,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:34,936 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:34,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:34,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:34,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:34,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:34" (1/2) ... [2024-09-11 20:54:34,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbceeca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:34" (1/2) ... [2024-09-11 20:54:34,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b7d300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,946 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 08:54:34" (2/2) ... [2024-09-11 20:54:34,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbceeca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,948 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 08:54:34" (2/2) ... [2024-09-11 20:54:34,954 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:34,958 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((((((\old(x) == 0) || (\old(x) == 4)) || ((5 == \result) && (5 == \old(x)))) || ((((3 == \result) && (\old(x) <= 4)) || (\old(x) == 2)) && (2 <= \old(x)))) || (((\result == 1) && (\old(x) <= 2)) && (1 <= \old(x)))) || (5 < \old(x))) [2024-09-11 20:54:34,958 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((((((\old(x) == 0) && (\result == 0)) || (\old(x) == 1)) || (((\result == 2) && (\old(x) <= 3)) && (2 <= \old(x)))) || (4 < \old(x))) || (((3 == \old(x)) || (\result == 4)) && (3 <= \old(x)))) [2024-09-11 20:54:34,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:35,146 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-09-11 20:54:35,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,171 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:54:35,217 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-09-11 20:54:35,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,235 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:35,236 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35 WrapperNode [2024-09-11 20:54:35,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:35,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:35,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:35,249 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,250 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,257 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,266 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:35,266 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,267 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,277 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,278 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,279 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,282 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:35,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:35,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:35,289 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:35,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:35,329 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 20:54:35,336 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 20:54:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:35,461 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:35,463 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:35,682 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:35,682 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:35,714 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:35,715 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:35,716 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:35 BoogieIcfgContainer [2024-09-11 20:54:35,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:35,717 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:35,717 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:35,718 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:35,718 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:34" (1/4) ... [2024-09-11 20:54:35,719 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@562d86b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,719 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 08:54:34" (2/4) ... [2024-09-11 20:54:35,720 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@562d86b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,720 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 08:54:35" (3/4) ... [2024-09-11 20:54:35,721 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@562d86b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,721 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 08:54:35" (4/4) ... [2024-09-11 20:54:35,723 INFO L79 RefereeObserver]: Analyzing ICFG id2_i5_o5-2.c [2024-09-11 20:54:35,726 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:35,727 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:35,728 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:35,728 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC id2Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:35,728 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:35,777 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:35,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:35,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:35,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:35,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:35,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,800 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:35,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:35,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:35,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:35,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:35,817 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:35,835 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:35,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:35,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:35,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:35,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:35,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,856 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:35,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:35,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:35,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:35,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:35,908 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:35,908 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:35,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:35,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:35,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:35,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,919 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:35,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:35,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:35,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:35,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:35,922 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:35,935 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:35,936 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@562d86b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,936 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:35,938 INFO L158 Benchmark]: Toolchain (without parser) took 1001.54ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 51.0MB in the beginning and 45.3MB in the end (delta: 5.7MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:35,939 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 71.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:35,940 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:35,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.44ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 37.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:35,942 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 35.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:35,943 INFO L158 Benchmark]: RCFGBuilder took 428.00ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 35.3MB in the beginning and 65.8MB in the end (delta: -30.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:35,943 INFO L158 Benchmark]: Referee took 219.88ms. Allocated memory is still 96.5MB. Free memory was 65.8MB in the beginning and 45.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:35,946 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 id to exit of procedure id. One counterexample starts in \old(x)=-2147483648 and ends in \old(x)=-2147483648, \result=0, x=0. Annotation is not valid for all loop-free paths from entry of procedure id2 to exit of procedure id2. One counterexample starts in \old(x)=-2147483648 and ends in \old(x)=-2147483648, \result=0, x=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 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 71.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.44ms. Allocated memory is still 71.3MB. Free memory was 50.7MB in the beginning and 37.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 35.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.00ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 35.3MB in the beginning and 65.8MB in the end (delta: -30.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 219.88ms. Allocated memory is still 96.5MB. Free memory was 65.8MB in the beginning and 45.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:35,972 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE