./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound100.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-6908dde-m [2024-09-25 00:30:54,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:54,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:54,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:54,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:54,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:54,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:54,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:54,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:54,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:54,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:54,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:54,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:54,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:54,519 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:54,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:54,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:54,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:54,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:54,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:54,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:54,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:54,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:54,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:54,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:54,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:54,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:54,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:54,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:54,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:54,525 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:54,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:54,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:54,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:54,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:54,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:54,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:54,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:54,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:54,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:54,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:54,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:54,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:54,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:54,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:54,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:54,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:54,789 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:54,790 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:54,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound100.yml/witness-2.1.yml [2024-09-25 00:30:54,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:54,874 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:54,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2024-09-25 00:30:56,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:56,429 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:56,429 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2024-09-25 00:30:56,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/38102bdd2/55e21b1431734b60af55b259103d308c/FLAG77e46b2f9 [2024-09-25 00:30:56,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/38102bdd2/55e21b1431734b60af55b259103d308c [2024-09-25 00:30:56,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:56,831 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:56,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:56,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:56,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:56,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:54" (1/2) ... [2024-09-25 00:30:56,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a1b36d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:56, skipping insertion in model container [2024-09-25 00:30:56,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:54" (1/2) ... [2024-09-25 00:30:56,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@621554bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:56, skipping insertion in model container [2024-09-25 00:30:56,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:56" (2/2) ... [2024-09-25 00:30:56,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a1b36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:56, skipping insertion in model container [2024-09-25 00:30:56,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:56" (2/2) ... [2024-09-25 00:30:56,850 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:56,851 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-09-25 00:30:56,864 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:30:56,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:57,037 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_valuebound100.c[520,533] [2024-09-25 00:30:57,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:57,065 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:30:57,110 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_valuebound100.c[520,533] Start Parsing Local [2024-09-25 00:30:57,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:57,136 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:57,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57 WrapperNode [2024-09-25 00:30:57,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:57,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:57,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:57,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:57,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,173 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 [2024-09-25 00:30:57,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:57,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:57,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:57,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:57,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (1/1) ... [2024-09-25 00:30:57,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:57,223 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) [2024-09-25 00:30:57,227 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 [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:57,332 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:57,334 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:57,470 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:57,486 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:57,513 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:57,513 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:57,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:57 BoogieIcfgContainer [2024-09-25 00:30:57,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:57,516 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:57,516 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:57,516 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:57,517 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:54" (1/4) ... [2024-09-25 00:30:57,517 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44edcc10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:57, skipping insertion in model container [2024-09-25 00:30:57,517 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:56" (2/4) ... [2024-09-25 00:30:57,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44edcc10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:57, skipping insertion in model container [2024-09-25 00:30:57,518 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:57" (3/4) ... [2024-09-25 00:30:57,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44edcc10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:57, skipping insertion in model container [2024-09-25 00:30:57,520 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:57" (4/4) ... [2024-09-25 00:30:57,521 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound100.c [2024-09-25 00:30:57,525 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:57,526 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:57,526 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:30:57,527 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:57,527 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:57,527 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:57,530 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 00:30:57,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-25 00:30:57,531 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:57,531 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:57,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:57,532 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-25 00:30:57,595 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:57,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,634 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:57,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,636 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,637 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,659 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:57,680 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:57,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,689 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:57,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,698 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:57,716 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:57,716 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,723 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:57,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,729 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,742 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:57,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,743 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,743 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,757 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-25 00:30:57,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,761 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,772 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:57,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,773 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,773 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,775 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:57,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,778 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,789 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 00:30:57,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,798 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 00:30:57,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,800 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,812 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 00:30:57,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,812 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,831 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-25 00:30:57,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,833 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,842 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:57,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:57,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,848 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:57,858 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:57,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,860 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:57,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,862 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:57,870 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:57,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:57,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:57,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:57,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:57,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,876 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:57,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:57,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:57,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:57,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:57,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:57,882 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:57,886 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:57,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44edcc10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:57, skipping insertion in model container [2024-09-25 00:30:57,886 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:57,887 INFO L158 Benchmark]: Toolchain (without parser) took 1055.92ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 59.9MB in the beginning and 77.3MB in the end (delta: -17.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-09-25 00:30:57,888 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:57,888 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 132.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:57,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.26ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 59.6MB in the beginning and 133.9MB in the end (delta: -74.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:57,889 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:30:57,889 INFO L158 Benchmark]: RCFGBuilder took 325.29ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 117.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:57,890 INFO L158 Benchmark]: Referee took 370.47ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 77.3MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:57,893 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 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 30. 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 entry of procedure main 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 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 loop head at line 30 to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 132.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 132.1MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.26ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 59.6MB in the beginning and 133.9MB in the end (delta: -74.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 325.29ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 117.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 370.47ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 77.3MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:57,929 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