./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/hh2012-ex1b.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/loop-lit/hh2012-ex1b.i ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:15,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:15,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:15,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:15,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:15,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:15,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:15,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:15,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:15,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:15,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:15,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:15,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:15,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:15,909 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:15,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:15,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:15,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:15,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:15,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:15,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:15,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:15,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:15,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:15,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:15,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:15,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:15,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:15,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:15,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:15,916 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:15,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:15,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:15,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:15,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:15,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:15,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:15,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:15,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:15,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:15,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:15,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:15,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:15,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:16,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:16,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:16,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:16,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:16,204 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:16,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-20 20:09:17,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:17,841 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:17,842 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-20 20:09:17,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d8ef94c95/b54444c9f6af44ca8a5744d8f5cefc01/FLAG8096a3395 [2024-09-20 20:09:17,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d8ef94c95/b54444c9f6af44ca8a5744d8f5cefc01 [2024-09-20 20:09:17,868 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:17,869 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:17,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml [2024-09-20 20:09:17,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:17,924 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:17,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:17,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:17,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:17,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:17" (1/2) ... [2024-09-20 20:09:17,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38adf64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:17, skipping insertion in model container [2024-09-20 20:09:17,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:17" (1/2) ... [2024-09-20 20:09:17,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a8bee0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:17, skipping insertion in model container [2024-09-20 20:09:17,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:17" (2/2) ... [2024-09-20 20:09:17,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38adf64b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:17, skipping insertion in model container [2024-09-20 20:09:17,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:17" (2/2) ... [2024-09-20 20:09:17,946 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:17,947 INFO L1541 ArrayList]: Loop invariant at [L16-L25] (i < 101) [2024-09-20 20:09:17,947 INFO L1541 ArrayList]: Loop invariant at [L18-L21] ((i <= 99) && (j <= 100)) [2024-09-20 20:09:17,947 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:09:17,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:18,112 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] [2024-09-20 20:09:18,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:18,150 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:18,187 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] Start Parsing Local Start Parsing Local [2024-09-20 20:09:18,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:18,214 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:18,215 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:18 WrapperNode [2024-09-20 20:09:18,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:18,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:18,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:18,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:18,244 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,244 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,249 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,257 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:09:18,257 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,257 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,265 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,270 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,272 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,272 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:18,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:18,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:18,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:18,275 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 20.09 08:09:18" (1/1) ... [2024-09-20 20:09:18,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:18,301 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) [2024-09-20 20:09:18,303 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 [2024-09-20 20:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:18,404 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:18,407 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:18,546 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:18,557 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:18,591 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:18,591 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:09:18,592 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:18 BoogieIcfgContainer [2024-09-20 20:09:18,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:18,593 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:18,593 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:18,594 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:18,594 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:17" (1/4) ... [2024-09-20 20:09:18,595 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6737fe99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:18, skipping insertion in model container [2024-09-20 20:09:18,595 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:17" (2/4) ... [2024-09-20 20:09:18,595 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6737fe99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:18, skipping insertion in model container [2024-09-20 20:09:18,595 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 20.09 08:09:18" (3/4) ... [2024-09-20 20:09:18,596 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6737fe99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:18, skipping insertion in model container [2024-09-20 20:09:18,596 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:18" (4/4) ... [2024-09-20 20:09:18,597 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex1b.i [2024-09-20 20:09:18,601 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:09:18,601 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:18,601 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:18,602 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:09:18,602 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:09:18,602 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:18,603 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:09:18,603 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:09:18,603 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:18,603 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:18,603 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:18,604 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-20 20:09:18,651 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:18,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,672 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:18,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,674 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,694 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:18,713 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:18,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,717 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,720 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:18,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,733 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:18,752 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:18,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,753 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:18,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,761 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:18,774 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:09:18,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,794 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:09:18,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,803 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:18,813 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:18,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,817 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:18,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,822 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:18,832 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:09:18,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,838 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:09:18,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,838 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,841 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:18,845 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:18,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,852 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:09:18,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,861 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:18,866 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:18,867 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,867 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,867 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,873 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:18,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,877 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:18,881 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:18,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,884 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:18,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,886 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:18,890 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:18,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:18,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:18,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:18,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:18,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,893 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:18,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:18,893 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:18,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:18,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:18,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:18,900 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:18,903 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:18,903 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6737fe99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:18, skipping insertion in model container [2024-09-20 20:09:18,904 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:18,905 INFO L158 Benchmark]: Toolchain (without parser) took 979.93ms. Allocated memory is still 151.0MB. Free memory was 78.6MB in the beginning and 85.9MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:18,906 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:18,907 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 151.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:18,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.26ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 65.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:18,908 INFO L158 Benchmark]: Boogie Preprocessor took 57.27ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 121.5MB in the end (delta: -56.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:18,909 INFO L158 Benchmark]: RCFGBuilder took 317.90ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 109.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:09:18,909 INFO L158 Benchmark]: Referee took 310.75ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 85.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-20 20:09:18,912 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 loop head at line 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 20. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 151.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.26ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 65.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.27ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 121.5MB in the end (delta: -56.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.90ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 109.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 310.75ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 85.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:18,940 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE