./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/nested6.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested6.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/loop-invgen/nested6.i ../results/automizer-verification-files/SV-COMP24_unreach-call/nested6.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 20:46:56,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:56,315 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:56,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:56,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:56,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:56,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:56,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:56,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:56,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:56,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:56,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:56,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:56,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:56,369 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:56,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:56,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:56,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:56,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:56,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:56,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:56,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:56,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:56,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:56,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:56,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:56,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:56,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:56,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:56,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:56,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:56,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:56,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:56,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:56,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:56,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:56,650 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:56,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested6.i [2024-09-11 20:46:58,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:58,194 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:58,195 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested6.i [2024-09-11 20:46:58,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dc101cf72/84ba9674e6e34681b9c6903b4c7b127d/FLAG920bdbc42 [2024-09-11 20:46:58,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dc101cf72/84ba9674e6e34681b9c6903b4c7b127d [2024-09-11 20:46:58,219 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:58,221 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:58,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested6.yml/witness-2.1.yml [2024-09-11 20:46:58,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:58,266 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:58,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:58,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:58,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:58,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:58" (1/2) ... [2024-09-11 20:46:58,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13775e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:58" (1/2) ... [2024-09-11 20:46:58,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d218341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,274 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 08:46:58" (2/2) ... [2024-09-11 20:46:58,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13775e60 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,275 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 08:46:58" (2/2) ... [2024-09-11 20:46:58,283 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:58,285 INFO L1541 ArrayList]: Loop invariant at [L36-L38] ((((((long long) 2 * i) <= j) && (k <= n)) && (((long long) j + 1) <= n)) && (((long long) 2 * i) <= k)) [2024-09-11 20:46:58,285 INFO L1541 ArrayList]: Loop invariant at [L33-L45] (k == n) [2024-09-11 20:46:58,285 INFO L1541 ArrayList]: Loop invariant at [L34-L44] ((((long long) 2 * i) <= j) && (k == n)) [2024-09-11 20:46:58,286 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:58,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:58,431 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/loop-invgen/nested6.i[893,906] [2024-09-11 20:46:58,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:58,452 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:58,487 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/loop-invgen/nested6.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:58,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:58,513 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:58,514 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:58 WrapperNode [2024-09-11 20:46:58,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:58,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:58,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:58,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:58,535 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,535 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,541 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,552 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 20:46:58,552 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,552 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,557 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,560 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,565 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,566 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:58,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:58,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:58,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:58,571 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 08:46:58" (1/1) ... [2024-09-11 20:46:58,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:58,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:58,604 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 20:46:58,608 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 20:46:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:58,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:58,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:58,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:58,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:58,718 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:58,721 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:58,870 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:58,907 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:58,908 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:58,923 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:58,924 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:46:58,924 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:58 BoogieIcfgContainer [2024-09-11 20:46:58,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:58,925 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:58,925 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:58,926 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:58,926 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:58" (1/4) ... [2024-09-11 20:46:58,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20e5ca08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,926 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 08:46:58" (2/4) ... [2024-09-11 20:46:58,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20e5ca08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,927 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 08:46:58" (3/4) ... [2024-09-11 20:46:58,927 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20e5ca08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,927 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 08:46:58" (4/4) ... [2024-09-11 20:46:58,928 INFO L79 RefereeObserver]: Analyzing ICFG nested6.i [2024-09-11 20:46:58,931 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:46:58,931 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:58,932 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:58,933 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 20:46:58,933 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 20:46:58,933 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:58,933 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 20:46:58,933 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:58,934 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from loop head to loop head [2024-09-11 20:46:58,965 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:46:58,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:58,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:58,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:58,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:58,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,980 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:46:58,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:58,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:58,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:58,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,000 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,021 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:59,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,059 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:59,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,064 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,083 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:46:59,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,108 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:46:59,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,110 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:59,117 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:59,117 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,117 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,122 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:46:59,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,131 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,137 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:46:59,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,144 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:46:59,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,145 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,147 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,153 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:59,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,154 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,155 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:59,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,157 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,158 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,167 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:59,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,167 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,167 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,170 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:59,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,173 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:59,178 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:59,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,181 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:59,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,186 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:59,192 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:59,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,192 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,192 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,193 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:59,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,195 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:59,201 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:59,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,204 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:46:59,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,207 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,212 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:59,212 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,212 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,212 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,213 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,216 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:59,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,216 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,217 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,218 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:59,223 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:59,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:59,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:59,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:59,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:59,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,226 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:59,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:59,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:59,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:59,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:59,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:59,228 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:59,230 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:59,231 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20e5ca08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:59, skipping insertion in model container [2024-09-11 20:46:59,231 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:59,232 INFO L158 Benchmark]: Toolchain (without parser) took 965.90ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 110.8MB in the beginning and 175.5MB in the end (delta: -64.7MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:59,233 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 130.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:59,233 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:59,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.22ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 96.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:59,234 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:59,234 INFO L158 Benchmark]: RCFGBuilder took 356.05ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 79.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:59,234 INFO L158 Benchmark]: Referee took 306.11ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 79.5MB in the beginning and 175.5MB in the end (delta: -96.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:59,236 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 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 34. 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 33. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 34. 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 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 130.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.22ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 96.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.05ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 79.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 306.11ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 79.5MB in the beginning and 175.5MB in the end (delta: -96.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:59,258 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/loop-invgen/nested6.i ../results/automizer-verification-files/SV-COMP24_unreach-call/nested6.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 20:47:01,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:01,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:01,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:01,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:01,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:01,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:01,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:01,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:01,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:01,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:01,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:01,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:01,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:01,470 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:01,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:01,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:01,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:01,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:01,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:01,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:01,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:01,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:01,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:01,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:01,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:01,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:01,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:01,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:01,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:01,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:01,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:01,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:01,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:01,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:01,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:01,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:01,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:01,478 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:01,479 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:01,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:01,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:01,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:01,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:01,480 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:01,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:01,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:01,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:01,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:01,752 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:01,752 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:01,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested6.yml/witness-2.1.yml [2024-09-11 20:47:01,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:01,803 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:01,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested6.i [2024-09-11 20:47:03,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:03,477 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:03,477 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested6.i [2024-09-11 20:47:03,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5a11d7395/6de340ac2eda4520b3a61c862caf2401/FLAG95023674b [2024-09-11 20:47:03,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5a11d7395/6de340ac2eda4520b3a61c862caf2401 [2024-09-11 20:47:03,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:03,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:03,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:03,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:03,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:03,505 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 08:47:01" (1/2) ... [2024-09-11 20:47:03,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9df4eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,507 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 08:47:01" (1/2) ... [2024-09-11 20:47:03,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@390febf9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:03" (2/2) ... [2024-09-11 20:47:03,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9df4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:03" (2/2) ... [2024-09-11 20:47:03,521 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:03,521 INFO L1541 ArrayList]: Loop invariant at [L36-L38] ((((((long long) 2 * i) <= j) && (k <= n)) && (((long long) j + 1) <= n)) && (((long long) 2 * i) <= k)) [2024-09-11 20:47:03,522 INFO L1541 ArrayList]: Loop invariant at [L33-L45] (k == n) [2024-09-11 20:47:03,522 INFO L1541 ArrayList]: Loop invariant at [L34-L44] ((((long long) 2 * i) <= j) && (k == n)) [2024-09-11 20:47:03,522 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:03,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:03,659 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/loop-invgen/nested6.i[893,906] [2024-09-11 20:47:03,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,683 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:03,712 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/loop-invgen/nested6.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:03,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,737 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:03,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03 WrapperNode [2024-09-11 20:47:03,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:03,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:03,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:03,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,761 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 20:47:03,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:03,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:03,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:03,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:03,805 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 20:47:03,807 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 20:47:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:03,912 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:03,913 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:04,031 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:04,062 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:04,062 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:04,089 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:04,089 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:47:04,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:04 BoogieIcfgContainer [2024-09-11 20:47:04,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:04,090 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:04,090 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:04,091 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:04,091 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 08:47:01" (1/4) ... [2024-09-11 20:47:04,091 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563f0dea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,091 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:03" (2/4) ... [2024-09-11 20:47:04,091 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563f0dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (3/4) ... [2024-09-11 20:47:04,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563f0dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:04" (4/4) ... [2024-09-11 20:47:04,093 INFO L79 RefereeObserver]: Analyzing ICFG nested6.i [2024-09-11 20:47:04,095 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:47:04,096 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:04,097 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:04,097 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 20:47:04,097 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 20:47:04,097 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,097 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 20:47:04,097 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:04,098 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from loop head to loop head [2024-09-11 20:47:04,132 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:04,133 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,153 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:04,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,190 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,209 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:04,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,215 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:04,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,216 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,225 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,233 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:04,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:04,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,240 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,248 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,248 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,248 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,249 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,249 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,253 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:04,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,271 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,279 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:47:04,279 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,303 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:47:04,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,304 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,304 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,304 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,320 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,332 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,339 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,353 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:04,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,356 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:04,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,361 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,367 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,367 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,367 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,369 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:04,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,373 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:04,378 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,380 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,382 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:04,386 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,389 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:04,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,390 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,391 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,396 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:04,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,396 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,396 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,398 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:04,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,399 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,405 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,407 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,422 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:47:04,423 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563f0dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,423 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:04,424 INFO L158 Benchmark]: Toolchain (without parser) took 925.10ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 37.3MB in the end (delta: 7.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,424 INFO L158 Benchmark]: Witness Parser took 0.73ms. Allocated memory is still 52.4MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,425 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.83ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 30.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,425 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 79.7MB. Free memory was 30.5MB in the beginning and 28.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,426 INFO L158 Benchmark]: RCFGBuilder took 307.96ms. Allocated memory is still 79.7MB. Free memory was 28.4MB in the beginning and 45.9MB in the end (delta: -17.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,426 INFO L158 Benchmark]: Referee took 332.85ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 37.3MB in the end (delta: 8.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,428 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 loop head at line 33 to loop head at line 34. One counterexample starts in i=1073741824, k=1073741825, n=1073741825 and ends in j=0. Annotation is not valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. One counterexample starts in i=-1879048189, j=4, k=536870912, n=536870913 and ends in j=4, n=536870913. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 34. 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 19. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 41. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.73ms. Allocated memory is still 52.4MB. Free memory is still 35.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.56ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.83ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 30.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 79.7MB. Free memory was 30.5MB in the beginning and 28.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.96ms. Allocated memory is still 79.7MB. Free memory was 28.4MB in the beginning and 45.9MB in the end (delta: -17.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Referee took 332.85ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 37.3MB in the end (delta: 8.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:04,450 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE