./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.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/id_b2_o3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.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 20:54:26,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:26,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:26,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:26,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:26,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:26,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:26,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:26,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:26,907 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:26,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:26,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:26,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:26,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:26,908 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:26,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:26,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:26,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:26,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:26,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:26,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:26,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:26,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:26,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:26,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:26,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:26,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:26,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:26,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:26,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:26,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:26,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:26,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:26,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:26,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:26,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:26,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:26,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:26,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:26,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:26,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:26,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:26,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:27,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:27,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:27,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:27,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:27,192 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:27,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-11 20:54:28,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:28,663 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:28,664 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-11 20:54:28,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/653b6677d/26f534c6dee34b3da4aacc5451e78b4b/FLAG0d2e946e2 [2024-09-11 20:54:28,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/653b6677d/26f534c6dee34b3da4aacc5451e78b4b [2024-09-11 20:54:28,691 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:28,692 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:28,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.yml/witness-2.1.yml [2024-09-11 20:54:28,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:28,737 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:28,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:28,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:28,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:28,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:28" (1/2) ... [2024-09-11 20:54:28,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d84ebd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:28" (1/2) ... [2024-09-11 20:54:28,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@687976b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,749 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 08:54:28" (2/2) ... [2024-09-11 20:54:28,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d84ebd2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,749 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 08:54:28" (2/2) ... [2024-09-11 20:54:28,753 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:28,755 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures ((\result % 4294967296) < 3) [2024-09-11 20:54:28,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:28,904 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/id_b2_o3.c[568,581] [2024-09-11 20:54:28,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,918 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:28,946 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/id_b2_o3.c[568,581] [2024-09-11 20:54:28,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,958 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:28,959 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:28 WrapperNode [2024-09-11 20:54:28,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:28,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:28,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:28,969 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,969 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,980 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,986 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 20:54:28,986 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,986 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,988 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,989 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,990 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,990 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 08:54:28" (1/1) ... [2024-09-11 20:54:28,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:28,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:28,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:28,994 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 08:54:28" (1/1) ... [2024-09-11 20:54:29,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:29,027 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 20:54:29,029 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 20:54:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:29,159 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:29,160 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:29,271 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:29,271 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:29,288 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:29,288 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:29,289 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 20:54:29,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:29,289 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:29,289 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:29,290 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:29,290 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:28" (1/4) ... [2024-09-11 20:54:29,291 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f8b5ea9 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 20:54:29,291 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 08:54:28" (2/4) ... [2024-09-11 20:54:29,291 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f8b5ea9 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 20:54:29,291 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 08:54:28" (3/4) ... [2024-09-11 20:54:29,291 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f8b5ea9 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 20:54:29,292 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 20:54:29,292 INFO L79 RefereeObserver]: Analyzing ICFG id_b2_o3.c [2024-09-11 20:54:29,295 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:29,296 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:29,296 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:29,296 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:29,331 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:29,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:29,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:29,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:29,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:29,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,367 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:29,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:29,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:29,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:29,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:29,392 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:29,405 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:29,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:29,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:29,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:29,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:29,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,434 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:29,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:29,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:29,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:29,435 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:29,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:29,445 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:29,448 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:29,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f8b5ea9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:29, skipping insertion in model container [2024-09-11 20:54:29,449 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:29,450 INFO L158 Benchmark]: Toolchain (without parser) took 712.44ms. Allocated memory is still 205.5MB. Free memory was 135.3MB in the beginning and 171.7MB in the end (delta: -36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:29,450 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 205.5MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:29,451 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:29,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.60ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 122.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:29,452 INFO L158 Benchmark]: Boogie Preprocessor took 32.89ms. Allocated memory is still 205.5MB. Free memory was 122.4MB in the beginning and 120.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:29,452 INFO L158 Benchmark]: RCFGBuilder took 295.80ms. Allocated memory is still 205.5MB. Free memory was 120.6MB in the beginning and 107.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:29,453 INFO L158 Benchmark]: Referee took 159.35ms. Allocated memory is still 205.5MB. Free memory was 107.8MB in the beginning and 171.7MB in the end (delta: -63.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:29,455 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 main to check that a call to reach_error is unreachable at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 205.5MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.60ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 122.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.89ms. Allocated memory is still 205.5MB. Free memory was 122.4MB in the beginning and 120.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.80ms. Allocated memory is still 205.5MB. Free memory was 120.6MB in the beginning and 107.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 159.35ms. Allocated memory is still 205.5MB. Free memory was 107.8MB in the beginning and 171.7MB in the end (delta: -63.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:29,478 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 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/id_b2_o3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.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 20:54:31,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:31,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:31,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:31,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:31,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:31,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:31,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:31,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:31,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:31,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:31,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:31,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:31,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:31,686 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:31,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:31,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:31,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:31,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:31,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:31,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:31,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:31,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:31,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:31,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:31,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:31,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:31,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:31,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:31,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:31,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:31,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:31,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:31,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:31,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:31,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:31,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:31,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:31,696 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:31,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:31,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:31,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:31,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:31,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:31,701 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:31,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:31,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:31,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:31,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:31,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:31,984 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:31,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-11 20:54:33,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:33,533 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:33,534 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-11 20:54:33,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5419d5b48/52974f3fdd1443ec9461318c65376fd0/FLAG2cd10115a [2024-09-11 20:54:33,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5419d5b48/52974f3fdd1443ec9461318c65376fd0 [2024-09-11 20:54:33,563 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:33,564 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:33,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.yml/witness-2.1.yml [2024-09-11 20:54:33,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:33,609 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:33,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:33,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:33,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:33,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b54c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:33,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ef1a5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,618 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 08:54:33" (2/2) ... [2024-09-11 20:54:33,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b54c98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33, skipping insertion in model container [2024-09-11 20:54:33,618 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 08:54:33" (2/2) ... [2024-09-11 20:54:33,627 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:33,627 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures ((\result % 4294967296) < 3) [2024-09-11 20:54:33,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:33,765 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/id_b2_o3.c[568,581] [2024-09-11 20:54:33,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,789 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:33,820 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/id_b2_o3.c[568,581] [2024-09-11 20:54:33,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,835 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:33,836 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33 WrapperNode [2024-09-11 20:54:33,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:33,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:33,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:33,847 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,847 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,852 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,860 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 20:54:33,860 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,861 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,865 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,867 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,870 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,871 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:33,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:33,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:33,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:33,875 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 08:54:33" (1/1) ... [2024-09-11 20:54:33,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:33,907 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 20:54:33,911 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 20:54:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:34,026 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:34,027 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:34,140 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:34,141 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:34,167 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:34,168 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:34,169 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:34 BoogieIcfgContainer [2024-09-11 20:54:34,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:34,170 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:34,170 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:34,170 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:34,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:33" (1/4) ... [2024-09-11 20:54:34,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57040deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,172 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 08:54:33" (2/4) ... [2024-09-11 20:54:34,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57040deb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,172 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 08:54:33" (3/4) ... [2024-09-11 20:54:34,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57040deb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,172 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 08:54:34" (4/4) ... [2024-09-11 20:54:34,173 INFO L79 RefereeObserver]: Analyzing ICFG id_b2_o3.c [2024-09-11 20:54:34,177 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:34,178 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:34,178 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:34,178 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:34,213 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:34,214 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,226 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:34,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,228 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,242 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:34,249 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:34,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,263 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:34,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,273 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:34,276 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:34,277 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57040deb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:34, skipping insertion in model container [2024-09-11 20:54:34,277 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:34,279 INFO L158 Benchmark]: Toolchain (without parser) took 669.02ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 47.1MB in the beginning and 67.9MB in the end (delta: -20.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,279 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,279 INFO L158 Benchmark]: Witness Parser took 1.21ms. Allocated memory is still 69.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.10ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 33.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,280 INFO L158 Benchmark]: Boogie Preprocessor took 36.88ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 31.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,281 INFO L158 Benchmark]: RCFGBuilder took 294.54ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 31.7MB in the beginning and 76.3MB in the end (delta: -44.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,281 INFO L158 Benchmark]: Referee took 107.34ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 67.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,283 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 main to check that a call to reach_error is unreachable at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.21ms. Allocated memory is still 69.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.10ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 33.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.88ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 31.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.54ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 31.7MB in the beginning and 76.3MB in the end (delta: -44.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 107.34ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 67.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:34,307 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN