This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:23,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:23,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:23,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:23,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:23,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:23,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:23,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:23,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:23,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:23,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:23,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:23,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:23,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:23,699 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:23,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:23,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:23,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:23,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:23,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:23,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:23,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:23,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:23,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:23,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:23,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:23,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:23,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:23,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:23,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:23,722 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:23,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:23,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:23,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:23,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:23,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:23,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:23,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:23,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:23,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:23,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:23,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:23,989 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:23,990 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:23,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark14_linear.yml/witness-2.1.yml [2024-09-13 10:08:24,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:24,035 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:24,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2024-09-13 10:08:25,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:25,416 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:08:25,559 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:25,560 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2024-09-13 10:08:25,565 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3090b5ebb/00d9860f38544cfe8a6994e6fc2e4fc0/FLAGe7f1459de [2024-09-13 10:08:25,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3090b5ebb/00d9860f38544cfe8a6994e6fc2e4fc0 [2024-09-13 10:08:25,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:25,973 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:25,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:25,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:25,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:25,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:24" (1/2) ... [2024-09-13 10:08:25,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f48f377 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:25, skipping insertion in model container [2024-09-13 10:08:25,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:24" (1/2) ... [2024-09-13 10:08:25,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6695873 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:25, skipping insertion in model container [2024-09-13 10:08:25,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:25" (2/2) ... [2024-09-13 10:08:25,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f48f377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:25, skipping insertion in model container [2024-09-13 10:08:25,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:25" (2/2) ... [2024-09-13 10:08:26,003 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:26,006 INFO L1541 ArrayList]: Loop invariant at [L22-L24] (0 < ((long long) i + 1)) [2024-09-13 10:08:26,006 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:26,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:26,175 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-zilu/benchmark14_linear.i[868,881] [2024-09-13 10:08:26,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:26,202 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:26,242 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-zilu/benchmark14_linear.i[868,881] Start Parsing Local [2024-09-13 10:08:26,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:26,262 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:26,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26 WrapperNode [2024-09-13 10:08:26,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:26,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:26,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:26,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:26,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,292 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 [2024-09-13 10:08:26,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:26,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:26,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:26,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:26,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (1/1) ... [2024-09-13 10:08:26,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:26,351 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) [2024-09-13 10:08:26,359 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 [2024-09-13 10:08:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:08:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:08:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:26,523 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:26,527 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:26,652 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:26,666 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:26,696 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:26,696 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:26,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:26 BoogieIcfgContainer [2024-09-13 10:08:26,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:26,701 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:26,701 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:26,702 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:26,702 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:24" (1/4) ... [2024-09-13 10:08:26,702 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c2e2b11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:26, skipping insertion in model container [2024-09-13 10:08:26,702 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:25" (2/4) ... [2024-09-13 10:08:26,702 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c2e2b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:26, skipping insertion in model container [2024-09-13 10:08:26,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:26" (3/4) ... [2024-09-13 10:08:26,703 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c2e2b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:26, skipping insertion in model container [2024-09-13 10:08:26,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:26" (4/4) ... [2024-09-13 10:08:26,706 INFO L79 RefereeObserver]: Analyzing ICFG benchmark14_linear.i [2024-09-13 10:08:26,713 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:26,718 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:26,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:26,718 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:26,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:26,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:26,719 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, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:26,782 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:26,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:26,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:26,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:26,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:26,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,802 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:26,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:26,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:26,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:26,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:26,828 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:26,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:26,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:26,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:26,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:26,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:26,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,849 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:26,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:26,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:26,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:26,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:26,867 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:26,880 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:26,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:26,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:26,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:26,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:26,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,888 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:26,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:26,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:26,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:26,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:26,903 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:26,916 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:26,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:26,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:26,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:26,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:26,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,924 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:26,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:26,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:26,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:26,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:26,937 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:26,949 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:26,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:26,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:26,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:26,952 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:26,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,954 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:26,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:26,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:26,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:26,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:26,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:26,966 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:26,973 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:26,973 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c2e2b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:26, skipping insertion in model container [2024-09-13 10:08:26,973 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:26,975 INFO L158 Benchmark]: Toolchain (without parser) took 1002.00ms. Allocated memory is still 184.5MB. Free memory was 125.2MB in the beginning and 87.1MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:26,980 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:26,981 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:26,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.13ms. Allocated memory is still 184.5MB. Free memory was 124.8MB in the beginning and 112.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:26,981 INFO L158 Benchmark]: Boogie Preprocessor took 49.18ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 110.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:26,982 INFO L158 Benchmark]: RCFGBuilder took 386.87ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 98.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:26,982 INFO L158 Benchmark]: Referee took 272.82ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 87.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:26,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. 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 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.13ms. Allocated memory is still 184.5MB. Free memory was 124.8MB in the beginning and 112.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.18ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 110.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.87ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 98.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 272.82ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 87.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:27,034 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...