./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 a9b967e5 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-dev-a9b967e-m [2024-09-11 20:48:05,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:05,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:05,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:05,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:05,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:05,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:05,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:05,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:05,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:05,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:05,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:05,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:05,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:05,337 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:05,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:05,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:05,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:05,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:05,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:05,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:05,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:05,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:05,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:05,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:05,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:05,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:05,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:05,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:05,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:05,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:05,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:05,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:05,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:05,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:05,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:05,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:05,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:05,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:05,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:05,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:05,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:05,557 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:05,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-11 20:48:06,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:06,969 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:06,969 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-11 20:48:06,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/65e43bd30/3e743fd4c0f94769a1caf1fcb50d3b5b/FLAGd747a4a81 [2024-09-11 20:48:07,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/65e43bd30/3e743fd4c0f94769a1caf1fcb50d3b5b [2024-09-11 20:48:07,394 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:07,395 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:07,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.yml/witness-2.1.yml [2024-09-11 20:48:07,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:07,440 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:07,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:07,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:07,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:07,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:07" (1/2) ... [2024-09-11 20:48:07,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49734c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:07" (1/2) ... [2024-09-11 20:48:07,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bb83e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:07" (2/2) ... [2024-09-11 20:48:07,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49734c4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:07" (2/2) ... [2024-09-11 20:48:07,452 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:07,453 INFO L1541 ArrayList]: Loop invariant at [L29-L41] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:48:07,453 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:07,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:07,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] [2024-09-11 20:48:07,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:07,613 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:07,644 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] Start Parsing Local [2024-09-11 20:48:07,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:07,665 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:07,666 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:07 WrapperNode [2024-09-11 20:48:07,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:07,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:07,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:07,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:07,675 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,676 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,680 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,691 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 [2024-09-11 20:48:07,691 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,691 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,694 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,697 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,698 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,699 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:07,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:07,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:07,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:07,703 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 11.09 08:48:07" (1/1) ... [2024-09-11 20:48:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:07,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:07,736 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) [2024-09-11 20:48:07,738 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 [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:07,835 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:07,838 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:07,967 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:08,007 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:08,007 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:08,030 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:08,031 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:08,031 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:08 BoogieIcfgContainer [2024-09-11 20:48:08,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:08,032 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:08,032 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:08,033 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:08,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:07" (1/4) ... [2024-09-11 20:48:08,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d773134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:07" (2/4) ... [2024-09-11 20:48:08,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d773134 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,034 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 11.09 08:48:07" (3/4) ... [2024-09-11 20:48:08,034 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d773134 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,034 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:08" (4/4) ... [2024-09-11 20:48:08,036 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll.c [2024-09-11 20:48:08,039 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:08,040 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:08,040 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:48:08,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:08,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:48:08,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:08,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:08,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:08,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:08,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:08,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:08,042 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 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 [2024-09-11 20:48:08,085 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:08,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,105 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:08,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,120 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,139 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:08,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,160 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:08,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,167 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,171 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,182 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:08,182 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,185 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:08,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,189 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,203 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:08,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,207 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:08,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,213 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:08,228 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:08,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,244 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:08,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,249 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:08,255 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:48:08,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,263 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:48:08,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,266 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,272 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:08,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,282 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:48:08,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,285 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,291 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:08,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,296 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:08,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,297 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,300 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:08,309 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:08,310 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,310 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,312 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:08,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,314 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:08,320 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:08,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:08,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:08,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:08,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:08,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,324 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:08,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:08,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:08,325 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:08,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:08,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:08,327 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:08,330 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:08,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d773134 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,330 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:08,331 INFO L158 Benchmark]: Toolchain (without parser) took 891.23ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 56.9MB in the end (delta: 72.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:08,331 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:08,332 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:08,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.49ms. Allocated memory is still 188.7MB. Free memory was 129.1MB in the beginning and 115.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:08,332 INFO L158 Benchmark]: Boogie Preprocessor took 35.20ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:08,333 INFO L158 Benchmark]: RCFGBuilder took 329.21ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 98.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:08,333 INFO L158 Benchmark]: Referee took 298.37ms. Allocated memory is still 188.7MB. Free memory was 98.5MB in the beginning and 56.9MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:08,335 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 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 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 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 29. 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 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 check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.49ms. Allocated memory is still 188.7MB. Free memory was 129.1MB in the beginning and 115.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.20ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.21ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 98.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 298.37ms. Allocated memory is still 188.7MB. Free memory was 98.5MB in the beginning and 56.9MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:08,359 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/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_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:10,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:10,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:10,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:10,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:10,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:10,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:10,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:10,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:10,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:10,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:10,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:10,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:10,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:10,259 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:10,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:10,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:10,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:10,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:10,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:10,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:10,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:10,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:10,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:10,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:10,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:10,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:10,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:10,266 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:10,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:10,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:10,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:10,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:10,513 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:10,514 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:10,515 INFO L431 ainManager$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 [2024-09-11 20:48:10,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:10,555 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:10,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-11 20:48:11,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:11,963 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:11,965 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-11 20:48:11,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3afdf319f/9c7d1a8f60f547a69fd411997a9c891a/FLAG5b05d8c86 [2024-09-11 20:48:11,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3afdf319f/9c7d1a8f60f547a69fd411997a9c891a [2024-09-11 20:48:11,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:11,986 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:11,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:11,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:11,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:11,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:11,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e65212 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:11,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46e63b54 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:11" (2/2) ... [2024-09-11 20:48:11,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e65212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:11, skipping insertion in model container [2024-09-11 20:48:11,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:11" (2/2) ... [2024-09-11 20:48:12,001 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:12,001 INFO L1541 ArrayList]: Loop invariant at [L29-L41] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:48:12,002 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:12,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:12,134 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] [2024-09-11 20:48:12,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:12,168 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:12,211 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c[520,533] Start Parsing Local [2024-09-11 20:48:12,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:12,235 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:12,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12 WrapperNode [2024-09-11 20:48:12,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:12,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:12,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:12,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:12,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,262 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 [2024-09-11 20:48:12,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:12,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:12,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:12,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:12,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (1/1) ... [2024-09-11 20:48:12,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:12,303 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) [2024-09-11 20:48:12,305 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 [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:12,398 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:12,400 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:13,282 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:13,331 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:13,333 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:13,358 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:13,359 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:13,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:13 BoogieIcfgContainer [2024-09-11 20:48:13,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:13,360 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:13,360 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:13,360 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:13,361 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:10" (1/4) ... [2024-09-11 20:48:13,361 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3596f119 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,362 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:11" (2/4) ... [2024-09-11 20:48:13,362 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3596f119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,362 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:12" (3/4) ... [2024-09-11 20:48:13,363 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3596f119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,363 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:13" (4/4) ... [2024-09-11 20:48:13,364 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll.c [2024-09-11 20:48:13,367 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:13,368 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:13,368 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:48:13,368 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:13,368 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:13,369 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:13,370 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:13,424 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:13,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,426 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,426 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,444 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:13,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,445 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,446 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:17,514 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:17,548 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:17,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:17,548 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:17,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:17,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:17,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,579 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:17,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:17,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:17,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:17,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:17,588 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:17,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:17,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:17,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:17,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:17,607 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:17,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,612 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:17,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:17,614 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:17,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:17,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:21,671 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:21,706 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:21,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:21,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:21,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:21,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:21,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:21,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:21,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:21,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:21,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:21,718 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:21,736 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:21,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:21,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:21,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:21,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:21,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,759 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:21,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:21,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:21,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:21,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:25,939 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:25,992 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:48:25,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:25,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:25,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:25,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:25,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,005 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:48:26,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,005 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:26,008 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:26,014 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:26,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:26,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:26,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:26,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:26,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,027 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:48:26,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:26,029 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:26,035 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:26,035 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:26,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:26,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:26,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:26,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,037 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:26,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:26,040 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:26,046 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:26,046 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:26,046 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:26,046 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:26,047 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:26,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,047 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:26,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,048 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,048 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:26,052 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:26,058 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:26,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:26,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:26,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:26,059 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:26,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,064 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:26,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,142 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:30,173 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:30,174 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3596f119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:30, skipping insertion in model container [2024-09-11 20:48:30,174 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:30,175 INFO L158 Benchmark]: Toolchain (without parser) took 18188.60ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 48.9MB in the beginning and 47.9MB in the end (delta: 971.6kB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,175 INFO L158 Benchmark]: Witness Parser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:30,176 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:30,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.42ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 62.0MB in the end (delta: -13.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,176 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,177 INFO L158 Benchmark]: RCFGBuilder took 1078.97ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 41.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,177 INFO L158 Benchmark]: Referee took 16814.21ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 47.9MB in the end (delta: -6.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 30. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 30. Insufficient resources for checking whether 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 entry of procedure main to loop head at line 29. 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 29. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 44. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.42ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 62.0MB in the end (delta: -13.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1078.97ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 41.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 16814.21ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 47.9MB in the end (delta: -6.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:30,268 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: UNKNOWN