./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.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-5189fb6-m [2024-09-13 05:06:09,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:09,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:09,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:09,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:09,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:09,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:09,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:09,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:09,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:09,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:09,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:09,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:10,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:10,008 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:10,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:10,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:10,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:10,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:10,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:10,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:10,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:10,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:10,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:10,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:10,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:10,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:10,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:10,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:10,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:10,019 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:10,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:10,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:10,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:10,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:10,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:10,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:10,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:10,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:10,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:10,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:10,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:10,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:10,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:10,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:10,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:10,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:10,271 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:10,272 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:10,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-13 05:06:10,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:10,328 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:10,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 05:06:11,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:11,864 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:11,865 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 05:06:11,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b7c9e3a10/9212118e1ef64e7289265366fe485cd9/FLAG4909673f2 [2024-09-13 05:06:11,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b7c9e3a10/9212118e1ef64e7289265366fe485cd9 [2024-09-13 05:06:11,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:11,884 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:11,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:11,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:11,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:11,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:10" (1/2) ... [2024-09-13 05:06:11,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a819a51 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:10" (1/2) ... [2024-09-13 05:06:11,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c89d144 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:11" (2/2) ... [2024-09-13 05:06:11,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a819a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:11" (2/2) ... [2024-09-13 05:06:11,910 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:11,911 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-13 05:06:11,914 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-13 05:06:11,914 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:11,914 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:06:11,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:12,067 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/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-13 05:06:12,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:12,090 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:12,129 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/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-13 05:06:12,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:12,175 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:12,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12 WrapperNode [2024-09-13 05:06:12,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:12,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:12,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:12,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:12,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,206 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:12,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:12,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:12,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:12,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:12,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (1/1) ... [2024-09-13 05:06:12,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:12,277 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) [2024-09-13 05:06:12,282 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 [2024-09-13 05:06:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:12,391 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:12,393 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:12,606 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:12,618 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:12,640 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:12,641 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:12,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:12 BoogieIcfgContainer [2024-09-13 05:06:12,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:12,642 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:12,642 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:12,643 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:12,643 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:10" (1/4) ... [2024-09-13 05:06:12,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@278d84c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,644 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:11" (2/4) ... [2024-09-13 05:06:12,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@278d84c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,644 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:12" (3/4) ... [2024-09-13 05:06:12,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@278d84c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,644 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:12" (4/4) ... [2024-09-13 05:06:12,645 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-13 05:06:12,648 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:12,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:12,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:12,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:12,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:12,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:12,650 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:12,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:06:12,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:12,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:06:12,650 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 05:06:12,703 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:12,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:12,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:12,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:12,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:12,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,719 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:12,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:12,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:12,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:12,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:12,743 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:12,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:12,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:12,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:12,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:12,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:12,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,782 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:12,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:12,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:12,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:12,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,790 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:16,809 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:16,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,819 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:16,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,846 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:16,866 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:16,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,875 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:16,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,883 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:16,905 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:16,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,910 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:16,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,914 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:16,931 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:16,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,933 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:16,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,936 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:16,953 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 05:06:16,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,969 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 05:06:16,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,978 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:16,992 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:06:16,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,068 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:06:17,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,111 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,123 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:17,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,137 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:17,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,138 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,138 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,143 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:17,147 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:06:17,148 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@278d84c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:17, skipping insertion in model container [2024-09-13 05:06:17,148 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:17,150 INFO L158 Benchmark]: Toolchain (without parser) took 5265.58ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 133.0MB in the end (delta: -9.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,150 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:17,151 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:17,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.15ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 108.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,152 INFO L158 Benchmark]: Boogie Preprocessor took 57.35ms. Allocated memory is still 176.2MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,153 INFO L158 Benchmark]: RCFGBuilder took 407.29ms. Allocated memory is still 176.2MB. Free memory was 106.7MB in the beginning and 89.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,154 INFO L158 Benchmark]: Referee took 4506.16ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 133.0MB in the end (delta: -43.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. 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 20. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.15ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 108.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.35ms. Allocated memory is still 176.2MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.29ms. Allocated memory is still 176.2MB. Free memory was 106.7MB in the beginning and 89.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4506.16ms. Allocated memory is still 176.2MB. Free memory was 89.9MB in the beginning and 133.0MB in the end (delta: -43.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:17,181 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.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-5189fb6-m [2024-09-13 05:06:19,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:19,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:06:19,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:19,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:19,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:19,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:19,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:19,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:19,364 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:19,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:19,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:19,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:19,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:19,369 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:19,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:19,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:19,369 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:19,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:19,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:19,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:19,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:19,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:19,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:06:19,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:06:19,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:19,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:06:19,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:19,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:19,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:19,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:19,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:19,376 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:19,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:19,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:19,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:19,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:19,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:19,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:19,378 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:06:19,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:06:19,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:19,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:19,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:19,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:19,380 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:06:19,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:19,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:19,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:19,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:19,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:19,715 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:19,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 05:06:21,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:21,327 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:21,328 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-13 05:06:21,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d9e8757ac/7ee741468fd34068b1c3672a7d9b9cd7/FLAG133d17b7f [2024-09-13 05:06:21,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d9e8757ac/7ee741468fd34068b1c3672a7d9b9cd7 [2024-09-13 05:06:21,355 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:21,356 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:21,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-13 05:06:21,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:21,412 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:21,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:21,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:21,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:21,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:21" (1/2) ... [2024-09-13 05:06:21,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c15a389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:21, skipping insertion in model container [2024-09-13 05:06:21,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:21" (1/2) ... [2024-09-13 05:06:21,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e3bb5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:21, skipping insertion in model container [2024-09-13 05:06:21,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:21" (2/2) ... [2024-09-13 05:06:21,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c15a389 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:21, skipping insertion in model container [2024-09-13 05:06:21,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:21" (2/2) ... [2024-09-13 05:06:21,437 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:21,437 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-13 05:06:21,438 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-13 05:06:21,438 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:21,438 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:06:21,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:21,624 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/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-13 05:06:21,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:21,674 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:21,714 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/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-13 05:06:21,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:21,753 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:21,754 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:21 WrapperNode [2024-09-13 05:06:21,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:21,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:21,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:21,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:21,767 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,768 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,780 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,798 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:21,798 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,798 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,809 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,814 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,819 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,820 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:21,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:21,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:21,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:21,825 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 13.09 05:06:21" (1/1) ... [2024-09-13 05:06:21,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:21,853 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) [2024-09-13 05:06:21,856 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 [2024-09-13 05:06:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:06:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:21,991 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:21,993 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:22,245 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:22,263 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:22,300 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:22,300 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:22,302 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:22 BoogieIcfgContainer [2024-09-13 05:06:22,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:22,302 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:22,302 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:22,303 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:22,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:21" (1/4) ... [2024-09-13 05:06:22,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68887f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:22, skipping insertion in model container [2024-09-13 05:06:22,304 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:21" (2/4) ... [2024-09-13 05:06:22,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68887f41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:22, skipping insertion in model container [2024-09-13 05:06:22,304 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 13.09 05:06:21" (3/4) ... [2024-09-13 05:06:22,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68887f41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:22, skipping insertion in model container [2024-09-13 05:06:22,305 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:22" (4/4) ... [2024-09-13 05:06:22,306 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-13 05:06:22,309 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:22,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:22,310 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:22,311 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:22,311 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:22,311 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:22,311 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:22,311 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:06:22,312 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:22,312 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:06:22,312 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 05:06:22,381 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:22,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,396 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:22,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,421 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:22,448 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:22,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,457 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:22,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,490 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:22,515 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:22,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,523 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:22,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,537 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:22,554 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:22,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:22,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,560 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,560 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,560 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,566 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:22,580 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:22,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,586 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:22,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,588 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,588 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,590 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:22,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:22,618 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,619 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,621 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:22,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,623 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:22,635 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 05:06:22,635 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,646 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 05:06:22,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,647 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,656 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:22,672 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:06:22,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,707 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:06:22,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,752 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:22,767 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:22,768 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:22,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:22,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:22,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:22,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,782 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:22,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:22,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:22,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:22,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:22,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:22,785 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:22,788 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:06:22,788 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68887f41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:22, skipping insertion in model container [2024-09-13 05:06:22,788 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:22,790 INFO L158 Benchmark]: Toolchain (without parser) took 1377.12ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.0MB in the beginning and 48.8MB in the end (delta: -7.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,790 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:22,791 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 42.8MB in the end (delta: 231.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.01ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 48.0MB in the end (delta: -7.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,792 INFO L158 Benchmark]: Boogie Preprocessor took 66.12ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,792 INFO L158 Benchmark]: RCFGBuilder took 477.79ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 30.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,793 INFO L158 Benchmark]: Referee took 485.90ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 30.4MB in the beginning and 48.8MB in the end (delta: -18.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 05:06:22,796 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 34 to loop head at line 34. 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 loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 42.8MB in the end (delta: 231.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.01ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 48.0MB in the end (delta: -7.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.12ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.79ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 30.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 485.90ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 30.4MB in the beginning and 48.8MB in the end (delta: -18.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:22,825 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