./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound2.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/cohencu-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound2.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 20:48:26,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:26,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:26,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:26,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:26,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:26,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:26,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:26,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:26,351 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:26,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:26,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:26,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:26,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:26,352 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:26,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:26,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:26,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:26,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:26,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:26,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:26,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:26,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:26,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:26,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:26,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:26,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:26,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:26,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:26,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:26,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:26,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:26,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:26,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:26,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:26,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:26,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:26,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:26,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:26,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:26,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:26,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:26,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:26,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:26,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:26,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:26,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:26,581 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:26,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2024-09-11 20:48:27,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:27,997 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:27,998 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2024-09-11 20:48:28,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2642bf5e4/eaab223373d54988ab286e1a24772847/FLAG222707835 [2024-09-11 20:48:28,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2642bf5e4/eaab223373d54988ab286e1a24772847 [2024-09-11 20:48:28,400 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:28,400 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:28,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:48:28,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:28,445 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:28,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:28,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:28,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:28,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:28" (1/2) ... [2024-09-11 20:48:28,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1890ebf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:28, skipping insertion in model container [2024-09-11 20:48:28,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:28" (1/2) ... [2024-09-11 20:48:28,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47b37496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:28, skipping insertion in model container [2024-09-11 20:48:28,454 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 08:48:28" (2/2) ... [2024-09-11 20:48:28,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1890ebf7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:28, skipping insertion in model container [2024-09-11 20:48:28,454 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 08:48:28" (2/2) ... [2024-09-11 20:48:28,459 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:28,460 INFO L1541 ArrayList]: Loop invariant at [L33-L46] ((((((a <= 2) && ((((__int128) y * z) + ((__int128) 2 * z)) == ((6 + ((__int128) y * 12)) + ((__int128) x * 18)))) && ((((__int128) x * z) == (((__int128) x * 12) + (6 * ((__int128) a * x)))) || (n < (a + 1)))) && (((((__int128) y * z) + 6) + ((__int128) z * z)) == ((((__int128) z * 4) + ((__int128) x * 18)) + ((__int128) y * 24)))) && (z == (6 + ((__int128) 6 * n)))) && (0 <= a)) [2024-09-11 20:48:28,461 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:28,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:28,611 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/cohencu-ll_valuebound2.c[588,601] [2024-09-11 20:48:28,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:28,633 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:28,666 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/cohencu-ll_valuebound2.c[588,601] Start Parsing Local [2024-09-11 20:48:28,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:28,701 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:28,701 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:28 WrapperNode [2024-09-11 20:48:28,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:28,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:28,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:28,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:28,713 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,713 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,719 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,729 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 20:48:28,732 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,732 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,736 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,741 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,744 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,745 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:28,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:28,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:28,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:28,748 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 08:48:28" (1/1) ... [2024-09-11 20:48:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:28,779 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 20:48:28,781 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 20:48:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:28,873 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:28,874 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:29,019 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:29,101 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:29,101 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:29,128 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:29,130 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:29,131 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:29 BoogieIcfgContainer [2024-09-11 20:48:29,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:29,131 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:29,131 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:29,133 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:29,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:28" (1/4) ... [2024-09-11 20:48:29,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477e6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,134 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 08:48:28" (2/4) ... [2024-09-11 20:48:29,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477e6997 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,134 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 08:48:28" (3/4) ... [2024-09-11 20:48:29,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477e6997 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,135 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 08:48:29" (4/4) ... [2024-09-11 20:48:29,136 INFO L79 RefereeObserver]: Analyzing ICFG cohencu-ll_valuebound2.c [2024-09-11 20:48:29,139 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:29,139 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:29,140 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:29,141 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:29,141 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:48:29,141 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:29,141 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:29,141 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 20:48:29,141 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 16 edges. [2024-09-11 20:48:29,141 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 20:48:29,142 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:29,142 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:29,197 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:29,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,237 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:29,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,252 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,278 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:29,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,278 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,285 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:29,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,287 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,304 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:29,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,334 INFO L101 BaseMinimizeStates]: Removed 32 edges and 11 locations by large block encoding [2024-09-11 20:48:29,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,353 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,365 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:29,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,377 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:29,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,378 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,381 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,395 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:29,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,396 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,396 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,416 INFO L101 BaseMinimizeStates]: Removed 28 edges and 10 locations by large block encoding [2024-09-11 20:48:29,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,426 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,436 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:29,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,445 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:29,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,445 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,445 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,445 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,445 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,448 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,462 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:29,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,481 INFO L101 BaseMinimizeStates]: Removed 24 edges and 9 locations by large block encoding [2024-09-11 20:48:29,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,490 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,516 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:29,516 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,516 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,542 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:29,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,544 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,551 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:29,563 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:29,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,570 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:29,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,596 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:29,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,618 INFO L101 BaseMinimizeStates]: Removed 36 edges and 12 locations by large block encoding [2024-09-11 20:48:29,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,618 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,619 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,622 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,632 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:29,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,633 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,643 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:48:29,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,643 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,643 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,644 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,645 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,655 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:29,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,656 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,657 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:29,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,660 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:29,670 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:48:29,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,699 INFO L101 BaseMinimizeStates]: Removed 40 edges and 13 locations by large block encoding [2024-09-11 20:48:29,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,699 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,701 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,710 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:29,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,711 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:29,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,714 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:29,721 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:29,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,728 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:29,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,735 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:29,741 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:29,741 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477e6997 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,741 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:29,742 INFO L158 Benchmark]: Toolchain (without parser) took 1296.90ms. Allocated memory is still 163.6MB. Free memory was 90.8MB in the beginning and 65.0MB in the end (delta: 25.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,743 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,743 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.08ms. Allocated memory is still 163.6MB. Free memory was 90.6MB in the beginning and 76.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,745 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 163.6MB. Free memory was 76.6MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,746 INFO L158 Benchmark]: RCFGBuilder took 383.32ms. Allocated memory is still 163.6MB. Free memory was 74.6MB in the beginning and 129.9MB in the end (delta: -55.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,747 INFO L158 Benchmark]: Referee took 609.69ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 65.0MB in the end (delta: 64.9MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 33. One counterexample starts in and ends in a=0, n=0, x=0, y=0, z=0. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.08ms. Allocated memory is still 163.6MB. Free memory was 90.6MB in the beginning and 76.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 163.6MB. Free memory was 76.6MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.32ms. Allocated memory is still 163.6MB. Free memory was 74.6MB in the beginning and 129.9MB in the end (delta: -55.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Referee took 609.69ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 65.0MB in the end (delta: 64.9MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:29,773 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE