./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound5.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-scaling/sqrt1-ll_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound5.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 20:53:35,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:35,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:35,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:35,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:35,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:35,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:35,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:35,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:35,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:35,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:35,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:35,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:35,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:35,665 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:35,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:35,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:35,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:35,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:35,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:35,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:35,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:35,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:35,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:35,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:35,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:35,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:35,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:35,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:35,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:35,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:35,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:35,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:35,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:35,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:35,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:35,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:35,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:35,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:35,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:35,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:35,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:35,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:35,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:35,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:35,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:35,967 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:35,968 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:35,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:53:36,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:36,020 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:36,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2024-09-11 20:53:37,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:37,623 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:37,624 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2024-09-11 20:53:37,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b7d03361a/9479eae6bf2e458ca6d73be28b5ad20f/FLAG3e86c0cd3 [2024-09-11 20:53:37,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b7d03361a/9479eae6bf2e458ca6d73be28b5ad20f [2024-09-11 20:53:37,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:37,643 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:37,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:37,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:37,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:37,651 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 08:53:36" (1/2) ... [2024-09-11 20:53:37,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682bbec2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:37, skipping insertion in model container [2024-09-11 20:53:37,654 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 08:53:36" (1/2) ... [2024-09-11 20:53:37,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@646fca15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:37, skipping insertion in model container [2024-09-11 20:53:37,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:37" (2/2) ... [2024-09-11 20:53:37,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682bbec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37, skipping insertion in model container [2024-09-11 20:53:37,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:37" (2/2) ... [2024-09-11 20:53:37,665 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:37,666 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:37,666 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:37,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:37,844 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2024-09-11 20:53:37,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:37,885 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:37,922 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] Start Parsing Local [2024-09-11 20:53:37,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:37,949 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:37,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37 WrapperNode [2024-09-11 20:53:37,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:37,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:37,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:37,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:37,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,977 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 20:53:37,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:37,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:37,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:37,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:37,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (1/1) ... [2024-09-11 20:53:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:38,019 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 20:53:38,021 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 20:53:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:38,118 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:38,120 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:38,284 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:38,348 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:38,351 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:38,382 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:38,385 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:38,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:38 BoogieIcfgContainer [2024-09-11 20:53:38,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:38,386 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:38,386 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:38,387 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:38,388 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 08:53:36" (1/4) ... [2024-09-11 20:53:38,388 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f17cd0d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:37" (2/4) ... [2024-09-11 20:53:38,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f17cd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:37" (3/4) ... [2024-09-11 20:53:38,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f17cd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:38" (4/4) ... [2024-09-11 20:53:38,392 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound5.c [2024-09-11 20:53:38,397 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:38,397 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:38,397 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:38,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:38,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:38,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:38,398 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 20:53:38,398 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 20:53:38,398 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 20:53:38,399 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:38,399 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:38,399 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location [2024-09-11 20:53:38,451 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:38,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,479 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:38,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,482 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,497 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,515 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:38,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,516 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,516 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,539 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:38,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,548 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,560 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:38,560 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,561 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,561 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,569 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:38,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,569 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,575 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,586 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:38,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,602 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:38,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,608 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,619 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:38,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,650 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:38,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,659 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,676 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:38,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,681 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:38,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,687 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:38,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:38,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,700 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:38,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,703 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:38,713 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:38,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,715 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,718 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:38,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,723 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:38,736 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:38,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,783 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:38,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,791 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:38,802 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:38,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,811 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:38,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,812 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,812 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,815 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:38,819 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:38,819 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f17cd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,819 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:38,821 INFO L158 Benchmark]: Toolchain (without parser) took 1177.19ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 124.0MB in the end (delta: -4.8MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-09-11 20:53:38,822 INFO L158 Benchmark]: Witness Parser took 0.62ms. Allocated memory is still 104.9MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:38,823 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:38,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.10ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 105.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:38,824 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:38,825 INFO L158 Benchmark]: RCFGBuilder took 395.18ms. Allocated memory is still 157.3MB. Free memory was 103.0MB in the beginning and 87.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:38,825 INFO L158 Benchmark]: Referee took 433.22ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 124.0MB in the end (delta: -36.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-09-11 20:53:38,827 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 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 30 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 30. 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 31. 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.62ms. Allocated memory is still 104.9MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.47ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.10ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 105.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.18ms. Allocated memory is still 157.3MB. Free memory was 103.0MB in the beginning and 87.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 433.22ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 124.0MB in the end (delta: -36.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:38,861 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound5.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 20:53:40,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:41,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:41,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:41,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:41,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:41,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:41,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:41,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:41,095 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:41,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:41,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:41,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:41,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:41,101 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:41,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:41,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:41,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:41,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:41,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:41,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:41,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:41,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:41,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:41,105 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:41,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:41,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:41,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:41,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:41,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:41,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:41,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:41,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:41,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:41,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:41,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:41,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:41,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:41,111 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:41,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:41,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:41,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:41,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:41,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:41,113 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:41,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:41,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:41,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:41,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:41,464 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:41,465 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:41,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:53:41,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:41,518 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:41,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2024-09-11 20:53:43,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:43,342 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:43,343 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2024-09-11 20:53:43,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3cd8a7b45/67394e4a95df47c9be6e20299c9ddc61/FLAG25386ccb4 [2024-09-11 20:53:43,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3cd8a7b45/67394e4a95df47c9be6e20299c9ddc61 [2024-09-11 20:53:43,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:43,716 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:43,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:43,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:43,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:43,725 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 08:53:41" (1/2) ... [2024-09-11 20:53:43,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2551e2a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:43, skipping insertion in model container [2024-09-11 20:53:43,727 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 08:53:41" (1/2) ... [2024-09-11 20:53:43,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38796ffb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:43, skipping insertion in model container [2024-09-11 20:53:43,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:43" (2/2) ... [2024-09-11 20:53:43,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2551e2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:43, skipping insertion in model container [2024-09-11 20:53:43,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:43" (2/2) ... [2024-09-11 20:53:43,738 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:43,742 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:43,742 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:43,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:43,919 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2024-09-11 20:53:43,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:43,945 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:43,975 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] Start Parsing Local [2024-09-11 20:53:43,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:44,006 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:44,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44 WrapperNode [2024-09-11 20:53:44,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:44,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:44,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:44,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:44,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,044 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 20:53:44,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:44,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:44,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:44,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:44,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (1/1) ... [2024-09-11 20:53:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:44,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:44,108 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 20:53:44,112 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 20:53:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:44,236 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:44,238 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:45,140 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:45,211 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:45,212 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:45,237 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:45,237 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:45,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:45 BoogieIcfgContainer [2024-09-11 20:53:45,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:45,238 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:45,238 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:45,239 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:45,240 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 08:53:41" (1/4) ... [2024-09-11 20:53:45,240 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6080eda4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:45, skipping insertion in model container [2024-09-11 20:53:45,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:43" (2/4) ... [2024-09-11 20:53:45,242 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6080eda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:45, skipping insertion in model container [2024-09-11 20:53:45,242 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:44" (3/4) ... [2024-09-11 20:53:45,242 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6080eda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:45, skipping insertion in model container [2024-09-11 20:53:45,242 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:45" (4/4) ... [2024-09-11 20:53:45,243 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound5.c [2024-09-11 20:53:45,248 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:45,249 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:45,249 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:45,250 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:45,250 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:45,250 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:45,250 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 20:53:45,251 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 20:53:45,251 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 20:53:45,251 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:45,251 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:45,252 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 20:53:45,312 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:45,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:45,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:45,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:45,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:45,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:45,359 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:45,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:45,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:45,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:45,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:45,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:45,700 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:45,757 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:45,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:45,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:45,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:45,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:45,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:45,810 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:45,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:45,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:45,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:45,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:45,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:49,895 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:49,930 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:49,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:49,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:49,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:49,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:49,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:49,938 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:49,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:49,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:49,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:49,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:49,939 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:54,009 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:54,043 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:54,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:54,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:54,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:54,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:54,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:54,065 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:54,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:54,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:54,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:54,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:54,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:58,143 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:58,188 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:58,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:58,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:58,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:58,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:58,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:58,231 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:58,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:58,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:58,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:58,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:58,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:02,350 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:02,389 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:54:02,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:02,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:02,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:02,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:02,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,392 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:54:02,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:02,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:02,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:02,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:02,401 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:02,412 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:02,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:02,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:02,413 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:02,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:02,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,414 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:02,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:02,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:02,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:02,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:02,418 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:02,428 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:54:02,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:02,429 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:02,429 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:02,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:02,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,441 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:54:02,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:02,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:02,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:02,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:02,446 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:02,461 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:54:02,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:02,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:02,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:02,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:02,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,481 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:54:02,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:02,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:02,482 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:02,482 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:02,482 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:06,715 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:06,775 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:06,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:06,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:06,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:06,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:06,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:06,785 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:06,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:06,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:06,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:06,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:06,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:10,887 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:10,920 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:54:10,920 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6080eda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:10, skipping insertion in model container [2024-09-11 20:54:10,920 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:10,922 INFO L158 Benchmark]: Toolchain (without parser) took 27204.76ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 41.9MB in the beginning and 44.5MB in the end (delta: -2.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:10,923 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 54.5MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:10,923 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 54.5MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:10,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.33ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 47.6MB in the end (delta: -5.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:10,924 INFO L158 Benchmark]: Boogie Preprocessor took 61.16ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 45.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:10,924 INFO L158 Benchmark]: RCFGBuilder took 1168.26ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:10,925 INFO L158 Benchmark]: Referee took 25682.26ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 44.5MB in the end (delta: 5.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:10,927 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 30 to check that procedure precondition always holds at line 44. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 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 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.94ms. Allocated memory is still 54.5MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 54.5MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.33ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 47.6MB in the end (delta: -5.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.16ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 45.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1168.26ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 25682.26ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 44.5MB in the end (delta: 5.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:10,999 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