./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/afterrec_2calls-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:31:04,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:04,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:31:04,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:04,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:04,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:04,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:04,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:04,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:04,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:04,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:04,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:04,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:04,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:04,861 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:04,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:04,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:04,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:04,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:31:04,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:04,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:04,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:04,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:04,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:04,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:04,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:04,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:04,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:04,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:04,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:04,869 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:04,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:04,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:04,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:04,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:04,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:04,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:04,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:31:04,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:31:04,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:04,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:04,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:04,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:04,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:05,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:05,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:05,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:05,167 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:05,168 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:05,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec_2calls-2.yml/witness-2.1.yml [2024-09-25 00:31:05,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:05,225 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:05,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-25 00:31:06,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:06,891 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:06,892 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c [2024-09-25 00:31:06,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a9b86e94b/f6e9f9adf29548c69460622cbc0f59bd/FLAGcb7a301d4 [2024-09-25 00:31:06,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a9b86e94b/f6e9f9adf29548c69460622cbc0f59bd [2024-09-25 00:31:06,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:06,914 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:06,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:06,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:06,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:06,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:05" (1/2) ... [2024-09-25 00:31:06,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf0246f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:06, skipping insertion in model container [2024-09-25 00:31:06,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:05" (1/2) ... [2024-09-25 00:31:06,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ebb1998 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:06, skipping insertion in model container [2024-09-25 00:31:06,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:06" (2/2) ... [2024-09-25 00:31:06,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf0246f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:06, skipping insertion in model container [2024-09-25 00:31:06,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:06" (2/2) ... [2024-09-25 00:31:06,933 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:06,934 INFO L1541 ArrayList]: Function contract at [L15]: requires 0, ensures 0 [2024-09-25 00:31:06,934 INFO L1541 ArrayList]: Function contract at [L8]: requires (n == 2), ensures (n == 2) [2024-09-25 00:31:06,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:07,094 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[354,367] [2024-09-25 00:31:07,100 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[442,455] [2024-09-25 00:31:07,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:07,110 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:31:07,153 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[354,367] Start Parsing Global Start Parsing Global [2024-09-25 00:31:07,156 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec_2calls-2.c[442,455] [2024-09-25 00:31:07,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:07,173 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:07,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07 WrapperNode [2024-09-25 00:31:07,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:07,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:07,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:07,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:07,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,204 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:31:07,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:07,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:07,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:07,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:07,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (1/1) ... [2024-09-25 00:31:07,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:07,249 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) [2024-09-25 00:31:07,253 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 [2024-09-25 00:31:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-25 00:31:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-09-25 00:31:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:31:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:07,354 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:07,357 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:07,377 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:31:07,411 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:31:07,440 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:07,466 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:07,466 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:07,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:07 BoogieIcfgContainer [2024-09-25 00:31:07,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:07,467 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:07,468 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:07,468 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:07,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:05" (1/4) ... [2024-09-25 00:31:07,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54a4faf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:07, skipping insertion in model container [2024-09-25 00:31:07,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:06" (2/4) ... [2024-09-25 00:31:07,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54a4faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:07, skipping insertion in model container [2024-09-25 00:31:07,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:07" (3/4) ... [2024-09-25 00:31:07,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54a4faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:07, skipping insertion in model container [2024-09-25 00:31:07,470 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:07" (4/4) ... [2024-09-25 00:31:07,471 INFO L79 RefereeObserver]: Analyzing ICFG afterrec_2calls-2.c [2024-09-25 00:31:07,474 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:07,475 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:31:07,475 INFO L373 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-25 00:31:07,476 INFO L373 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:31:07,476 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:31:07,476 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 1 edges. [2024-09-25 00:31:07,476 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-25 00:31:07,476 INFO L373 InvariantChecker]: Will check inductivity from ENTRY f2ENTRY to ERROR_LOC f2Err2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:31:07,476 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:07,506 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 00:31:07,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,525 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-25 00:31:07,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,560 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:31:07,567 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:31:07,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,573 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:31:07,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,574 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,578 INFO L520 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:07,589 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:31:07,589 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,589 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,589 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:31:07,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,600 INFO L520 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:31:07,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:31:07,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,607 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,611 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:31:07,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,611 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,613 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:31:07,623 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-25 00:31:07,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,624 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,626 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:31:07,636 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:31:07,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,642 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:31:07,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,647 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:07,657 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 00:31:07,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:07,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:07,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:07,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:07,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,662 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-25 00:31:07,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:07,666 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:07,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:07,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:07,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:07,670 INFO L520 InvariantChecker]: The annotation(s) from entry f2ENTRY to error location f2Err2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:31:07,673 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:31:07,677 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54a4faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:31:07, skipping insertion in model container [2024-09-25 00:31:07,678 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:31:07,680 INFO L158 Benchmark]: Toolchain (without parser) took 764.92ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 50.1MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-25 00:31:07,680 INFO L158 Benchmark]: Witness Parser took 0.48ms. Allocated memory is still 136.3MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:07,680 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 136.3MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:07,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.34ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 76.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:31:07,682 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:07,682 INFO L158 Benchmark]: RCFGBuilder took 249.06ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 63.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:31:07,684 INFO L158 Benchmark]: Referee took 210.41ms. Allocated memory is still 136.3MB. Free memory was 63.1MB in the beginning and 50.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:31:07,686 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 f2 to exit of procedure f2. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. Annotation is valid for all loop-free paths from entry of procedure f to check that procedure precondition always holds at line 11. Annotation is valid for all loop-free paths from entry of procedure f2 to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure f2 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure f to check that a call to reach_error is unreachable at line 12. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.48ms. Allocated memory is still 136.3MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 136.3MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.34ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 76.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.06ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 63.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 210.41ms. Allocated memory is still 136.3MB. Free memory was 63.1MB in the beginning and 50.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:31:07,720 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 Result: TRUE