./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/sqrt1-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.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/nla-digbench/sqrt1-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.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 20:10:08,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:08,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:08,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:08,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:08,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:08,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:08,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:08,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:08,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:08,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:08,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:08,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:08,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:08,136 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:08,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:08,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:08,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:08,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:08,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:08,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:08,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:08,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:08,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:08,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:08,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:08,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:08,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:08,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:08,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:08,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:08,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:08,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:08,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:08,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:08,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:08,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:08,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:08,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:08,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:08,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:08,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:08,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:08,350 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:08,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-20 20:10:09,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:09,747 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:09,747 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-20 20:10:09,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/17c084b5d/5cc73597d92a4c4285ff76a782126582/FLAG963873acd [2024-09-20 20:10:09,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/17c084b5d/5cc73597d92a4c4285ff76a782126582 [2024-09-20 20:10:09,764 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:09,764 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:09,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.yml/witness-2.1.yml [2024-09-20 20:10:09,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:09,801 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:09,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:09,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:09,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:09,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:09" (1/2) ... [2024-09-20 20:10:09,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92151d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:09, skipping insertion in model container [2024-09-20 20:10:09,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:09" (1/2) ... [2024-09-20 20:10:09,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1206fb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:09, skipping insertion in model container [2024-09-20 20:10:09,808 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 08:10:09" (2/2) ... [2024-09-20 20:10:09,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92151d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:09, skipping insertion in model container [2024-09-20 20:10:09,809 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 08:10:09" (2/2) ... [2024-09-20 20:10:09,818 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:09,818 INFO L1541 ArrayList]: Loop invariant at [L29-L41] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-09-20 20:10:09,819 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:10:09,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:09,972 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/nla-digbench/sqrt1-ll.c[520,533] [2024-09-20 20:10:09,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:09,992 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:10,031 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/nla-digbench/sqrt1-ll.c[520,533] Start Parsing Local [2024-09-20 20:10:10,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:10,056 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:10,056 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:10 WrapperNode [2024-09-20 20:10:10,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:10,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:10,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:10,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:10,067 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,067 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,072 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,082 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 20:10:10,083 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,083 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,086 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,089 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,090 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,091 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:10,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:10,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:10,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:10,094 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 08:10:10" (1/1) ... [2024-09-20 20:10:10,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:10,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:10,117 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 20:10:10,119 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 20:10:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:10,213 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:10,217 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:10,335 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:10,354 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:10,379 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:10,379 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:10,379 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:10 BoogieIcfgContainer [2024-09-20 20:10:10,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:10,380 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:10,380 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:10,380 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:10,380 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:09" (1/4) ... [2024-09-20 20:10:10,381 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@487afbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:10, skipping insertion in model container [2024-09-20 20:10:10,381 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 08:10:09" (2/4) ... [2024-09-20 20:10:10,381 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@487afbca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:10, skipping insertion in model container [2024-09-20 20:10:10,381 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 08:10:10" (3/4) ... [2024-09-20 20:10:10,381 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@487afbca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:10, skipping insertion in model container [2024-09-20 20:10:10,382 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 08:10:10" (4/4) ... [2024-09-20 20:10:10,382 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll.c [2024-09-20 20:10:10,386 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:10,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:10,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:10,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:10,387 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 20:10:10,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:10,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:10:10,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-20 20:10:10,388 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 20:10:10,388 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 20:10:10,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:10,388 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:10,435 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:10,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,440 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,458 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:10,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,470 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,487 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:10,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,501 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 20:10:10,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,502 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,504 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,509 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,521 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:10,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,525 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:10,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,529 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,530 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,548 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:10,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,548 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,550 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:10,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,552 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,552 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,552 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,561 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:10,578 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:10,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,592 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:10,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,596 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:10,605 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:10:10,605 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,612 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:10:10,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,613 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,613 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,616 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,628 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 20:10:10,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,646 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 20:10:10,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,647 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,650 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,663 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:10,664 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,668 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:10,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,672 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:10,679 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:10,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,681 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:10,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,684 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:10,696 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:10,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:10,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:10,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:10,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:10,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,703 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:10,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:10,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:10,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:10,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:10,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:10,708 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:10,712 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:10:10,712 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@487afbca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:10, skipping insertion in model container [2024-09-20 20:10:10,712 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:10,714 INFO L158 Benchmark]: Toolchain (without parser) took 911.87ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 74.3MB in the beginning and 121.8MB in the end (delta: -47.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-20 20:10:10,715 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:10,715 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 88.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:10,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.57ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 74.2MB in the beginning and 177.4MB in the end (delta: -103.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:10,716 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 207.6MB. Free memory was 177.4MB in the beginning and 175.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:10,717 INFO L158 Benchmark]: RCFGBuilder took 285.92ms. Allocated memory is still 207.6MB. Free memory was 175.3MB in the beginning and 160.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:10,718 INFO L158 Benchmark]: Referee took 332.55ms. Allocated memory is still 207.6MB. Free memory was 160.6MB in the beginning and 121.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:10,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 29 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 88.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.57ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 74.2MB in the beginning and 177.4MB in the end (delta: -103.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 207.6MB. Free memory was 177.4MB in the beginning and 175.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.92ms. Allocated memory is still 207.6MB. Free memory was 175.3MB in the beginning and 160.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 332.55ms. Allocated memory is still 207.6MB. Free memory was 160.6MB in the beginning and 121.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:10:10,744 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE