./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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/sqrt1-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound5.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-27b4987-m [2024-09-21 12:51:03,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:51:03,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:51:03,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:51:03,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:51:03,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:51:03,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:51:03,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:51:03,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:51:03,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:51:03,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:51:03,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:51:03,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:51:03,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:51:03,462 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:51:03,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:51:03,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:51:03,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:51:03,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:51:03,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:51:03,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:51:03,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:51:03,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:51:03,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:51:03,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:51:03,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:51:03,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:51:03,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:51:03,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:51:03,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:51:03,466 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:51:03,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:51:03,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:51:03,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:03,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:51:03,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:51:03,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:51:03,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:51:03,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:51:03,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:51:03,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:51:03,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:51:03,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:51:03,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:51:03,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:51:03,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:51:03,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:51:03,727 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:51:03,728 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:51:03,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound5.yml/witness-2.1.yml [2024-09-21 12:51:03,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:51:03,807 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:51:03,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-09-21 12:51:05,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:51:05,455 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:51:05,455 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-09-21 12:51:05,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/184739c6a/4700d159fdc343e5a8755069fafe649e/FLAGf3a61fbf2 [2024-09-21 12:51:05,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/184739c6a/4700d159fdc343e5a8755069fafe649e [2024-09-21 12:51:05,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:51:05,476 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:51:05,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:05,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:51:05,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:51:05,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:03" (1/2) ... [2024-09-21 12:51:05,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da098c7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:05, skipping insertion in model container [2024-09-21 12:51:05,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:03" (1/2) ... [2024-09-21 12:51:05,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6028dc98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:05, skipping insertion in model container [2024-09-21 12:51:05,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:05" (2/2) ... [2024-09-21 12:51:05,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da098c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05, skipping insertion in model container [2024-09-21 12:51:05,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:05" (2/2) ... [2024-09-21 12:51:05,496 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:51:05,497 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-09-21 12:51:05,497 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:51:05,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:51:05,662 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-scaling/sqrt1-ll_valuebound5.c[520,533] [2024-09-21 12:51:05,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:05,688 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:51:05,716 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-scaling/sqrt1-ll_valuebound5.c[520,533] Start Parsing Local [2024-09-21 12:51:05,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:05,741 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:51:05,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05 WrapperNode [2024-09-21 12:51:05,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:05,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:51:05,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:51:05,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:51:05,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,766 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 [2024-09-21 12:51:05,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:51:05,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:51:05,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:51:05,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:51:05,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (1/1) ... [2024-09-21 12:51:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:51:05,807 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) [2024-09-21 12:51:05,813 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 [2024-09-21 12:51:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:51:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:51:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:51:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:51:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:51:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:51:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:51:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:51:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:51:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:51:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:51:05,921 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:51:05,923 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:51:06,041 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:51:06,056 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:51:06,094 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:51:06,095 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:51:06,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:06 BoogieIcfgContainer [2024-09-21 12:51:06,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:51:06,096 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:51:06,096 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:51:06,097 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:51:06,097 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:03" (1/4) ... [2024-09-21 12:51:06,097 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b4b9d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:51:06, skipping insertion in model container [2024-09-21 12:51:06,097 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:51:05" (2/4) ... [2024-09-21 12:51:06,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b4b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:51:06, skipping insertion in model container [2024-09-21 12:51:06,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:05" (3/4) ... [2024-09-21 12:51:06,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b4b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:51:06, skipping insertion in model container [2024-09-21 12:51:06,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:06" (4/4) ... [2024-09-21 12:51:06,100 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound5.c [2024-09-21 12:51:06,103 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:51:06,104 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:51:06,104 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:51:06,104 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:51:06,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:51:06,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:51:06,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:51:06,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 12:51:06,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:51:06,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:51:06,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:51:06,106 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-21 12:51:06,169 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:51:06,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,174 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,216 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:51:06,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,219 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,236 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:51:06,256 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:51:06,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,265 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:51:06,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,274 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:51:06,301 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:51:06,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,310 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:51:06,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,315 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,341 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:51:06,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,357 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 12:51:06,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,361 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,364 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,377 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:51:06,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,380 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:51:06,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,383 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,393 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:51:06,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,394 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,394 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,396 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,410 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 12:51:06,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,417 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,434 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 12:51:06,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,453 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 12:51:06,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,456 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,457 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,468 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:51:06,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,472 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:51:06,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,478 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:51:06,485 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:51:06,486 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,488 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:51:06,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,492 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:51:06,507 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:51:06,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:06,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:06,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:06,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:06,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,514 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:51:06,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:06,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:06,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:06,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:06,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:06,519 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:51:06,523 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:51:06,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b4b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:51:06, skipping insertion in model container [2024-09-21 12:51:06,524 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:51:06,526 INFO L158 Benchmark]: Toolchain (without parser) took 1048.79ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 94.6MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:06,526 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:06,527 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:06,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.38ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 79.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:51:06,527 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 77.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:51:06,528 INFO L158 Benchmark]: RCFGBuilder took 317.94ms. Allocated memory is still 163.6MB. Free memory was 77.1MB in the beginning and 133.9MB in the end (delta: -56.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-21 12:51:06,528 INFO L158 Benchmark]: Referee took 428.04ms. Allocated memory is still 163.6MB. Free memory was 133.9MB in the beginning and 94.6MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-21 12:51:06,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. 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 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. 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 30 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.38ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 79.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 77.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.94ms. Allocated memory is still 163.6MB. Free memory was 77.1MB in the beginning and 133.9MB in the end (delta: -56.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Referee took 428.04ms. Allocated memory is still 163.6MB. Free memory was 133.9MB in the beginning and 94.6MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:51:06,551 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