./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_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/id2_b2_o3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_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 20:54:25,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:25,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:25,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:25,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:25,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:25,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:25,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:25,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:25,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:25,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:25,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:25,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:25,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:25,925 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:25,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:25,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:25,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:25,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:25,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:25,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:25,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:25,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:25,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:25,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:25,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:25,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:25,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:25,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:25,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:25,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:25,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:25,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:25,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:25,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:25,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:25,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:25,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:25,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:25,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:25,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:25,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:25,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:26,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:26,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:26,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:26,244 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:26,245 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:26,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml [2024-09-11 20:54:26,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:26,307 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:26,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-11 20:54:27,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:27,952 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:27,953 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-11 20:54:27,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/74aa90666/4842ccec0978408189663d7568a0a47a/FLAGc56eadeaf [2024-09-11 20:54:27,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/74aa90666/4842ccec0978408189663d7568a0a47a [2024-09-11 20:54:27,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:27,978 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:27,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:27,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:27,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:27,986 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 08:54:26" (1/2) ... [2024-09-11 20:54:27,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26faeb96 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:27, skipping insertion in model container [2024-09-11 20:54:27,989 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 08:54:26" (1/2) ... [2024-09-11 20:54:27,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e7c2ca8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:27, skipping insertion in model container [2024-09-11 20:54:27,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:27" (2/2) ... [2024-09-11 20:54:27,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26faeb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:27, skipping insertion in model container [2024-09-11 20:54:27,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:27" (2/2) ... [2024-09-11 20:54:27,999 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:27,999 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((\result % 4294967296) < 3) [2024-09-11 20:54:28,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:28,176 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-11 20:54:28,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,195 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:28,234 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-11 20:54:28,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:28,252 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:28,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28 WrapperNode [2024-09-11 20:54:28,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:28,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:28,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:28,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,290 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 20:54:28,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:28,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:28,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:28,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:28,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (1/1) ... [2024-09-11 20:54:28,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:28,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:28,345 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 20:54:28,352 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 20:54:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:28,479 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:28,482 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:28,721 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:28,724 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:28,752 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:28,753 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:28,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:28 BoogieIcfgContainer [2024-09-11 20:54:28,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:28,756 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:28,756 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:28,757 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:28,758 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 08:54:26" (1/4) ... [2024-09-11 20:54:28,759 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@151adbcb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:27" (2/4) ... [2024-09-11 20:54:28,760 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@151adbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:28" (3/4) ... [2024-09-11 20:54:28,761 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@151adbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,761 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:28" (4/4) ... [2024-09-11 20:54:28,762 INFO L79 RefereeObserver]: Analyzing ICFG id2_b2_o3.c [2024-09-11 20:54:28,766 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:28,767 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:28,768 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:28,768 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:28,815 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:28,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:28,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:28,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:28,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:28,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,878 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:28,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:28,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:28,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:28,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:28,900 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:28,939 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:28,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:28,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:28,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:28,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:28,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,962 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:28,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:28,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:28,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:28,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:28,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:28,971 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:28,975 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:28,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@151adbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:28, skipping insertion in model container [2024-09-11 20:54:28,975 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:28,978 INFO L158 Benchmark]: Toolchain (without parser) took 998.34ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 89.3MB in the beginning and 165.9MB in the end (delta: -76.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,979 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 106.9MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:28,980 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 144.7MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:28,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.65ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 76.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,981 INFO L158 Benchmark]: Boogie Preprocessor took 54.13ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 74.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,982 INFO L158 Benchmark]: RCFGBuilder took 446.79ms. Allocated memory is still 144.7MB. Free memory was 74.3MB in the beginning and 60.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,983 INFO L158 Benchmark]: Referee took 219.18ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 165.9MB in the end (delta: -105.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:28,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 27. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.75ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 106.9MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.48ms. Allocated memory is still 144.7MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.65ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 76.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.13ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 74.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.79ms. Allocated memory is still 144.7MB. Free memory was 74.3MB in the beginning and 60.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 219.18ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 165.9MB in the end (delta: -105.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:29,016 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/id2_b2_o3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id2_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 20:54:31,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:31,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:31,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:31,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:31,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:31,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:31,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:31,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:31,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:31,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:31,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:31,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:31,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:31,331 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:31,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:31,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:31,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:31,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:31,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:31,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:31,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:31,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:31,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:31,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:31,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:31,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:31,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:31,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:31,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:31,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:31,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:31,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:31,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:31,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:31,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:31,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:31,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:31,341 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:31,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:31,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:31,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:31,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:31,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:31,343 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:31,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:31,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:31,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:31,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:31,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:31,693 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:31,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-11 20:54:33,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:33,557 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:33,557 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-09-11 20:54:33,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b88239c4/25c7a7745d274830b4bd3787a08a7be7/FLAG6342d8031 [2024-09-11 20:54:33,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b88239c4/25c7a7745d274830b4bd3787a08a7be7 [2024-09-11 20:54:33,591 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:33,592 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:33,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml [2024-09-11 20:54:33,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:33,649 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:33,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:33,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:33,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:33,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305cdf9a 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 20:54:33,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:33" (1/2) ... [2024-09-11 20:54:33,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@560f6b70 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 20:54:33,666 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 20:54:33,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305cdf9a 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 20:54:33,666 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 20:54:33,677 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:33,677 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures ((\result % 4294967296) < 3) [2024-09-11 20:54:33,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:33,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-11 20:54:33,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,915 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:33,958 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2024-09-11 20:54:33,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:33,976 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:33,977 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 20:54:33,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:33,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:33,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:33,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:33,991 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 20:54:33,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:34,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:33" (1/1) ... [2024-09-11 20:54:34,009 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 20:54:34,010 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 20:54:34,010 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 20:54:34,020 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 20:54:34,022 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 20:54:34,023 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 20:54:34,025 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 20:54:34,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:34,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:34,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:34,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:34,031 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 20:54:34,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:34,065 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 20:54:34,070 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 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-11 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-09-11 20:54:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:34,202 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:34,204 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:34,387 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:34,388 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:34,424 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:34,424 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:34,425 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 20:54:34,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:34,425 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:34,425 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:34,427 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:34,428 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:33" (1/4) ... [2024-09-11 20:54:34,429 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@267b1fbe 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 20:54:34,430 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 20:54:34,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@267b1fbe 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 20:54:34,431 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 20:54:34,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@267b1fbe 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 20:54:34,432 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 20:54:34,433 INFO L79 RefereeObserver]: Analyzing ICFG id2_b2_o3.c [2024-09-11 20:54:34,437 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:34,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:34,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:54:34,441 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:34,482 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:34,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,512 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:34,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,535 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:34,556 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:54:34,556 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:34,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:34,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:34,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:34,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,584 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:54:34,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:34,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:34,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:34,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:34,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:34,607 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:34,611 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:34,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@267b1fbe 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 20:54:34,611 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:34,613 INFO L158 Benchmark]: Toolchain (without parser) took 962.96ms. Allocated memory is still 67.1MB. Free memory was 37.9MB in the beginning and 40.8MB in the end (delta: -3.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,615 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,615 INFO L158 Benchmark]: Witness Parser took 0.90ms. Allocated memory is still 67.1MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:34,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.05ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 42.6MB in the end (delta: -4.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,617 INFO L158 Benchmark]: Boogie Preprocessor took 51.29ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,618 INFO L158 Benchmark]: RCFGBuilder took 394.32ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 26.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,619 INFO L158 Benchmark]: Referee took 185.76ms. Allocated memory is still 67.1MB. Free memory was 26.9MB in the beginning and 40.8MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:34,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 27. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.90ms. Allocated memory is still 67.1MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.05ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 42.6MB in the end (delta: -4.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.29ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 394.32ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 26.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 185.76ms. Allocated memory is still 67.1MB. Free memory was 26.9MB in the beginning and 40.8MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:34,650 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: UNKNOWN