./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark32_linear.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark32_linear.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-zilu/benchmark32_linear.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark32_linear.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 20:47:55,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:55,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:55,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:55,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:55,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:55,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:55,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:55,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:55,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:55,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:55,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:55,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:55,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:55,361 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:55,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:55,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:55,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:55,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:55,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:55,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:55,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:55,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:55,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:55,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:55,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:55,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:55,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:55,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:55,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:55,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:55,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:55,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:55,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:55,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:55,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:55,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:55,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:55,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:55,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:55,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:55,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:55,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:55,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:55,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:55,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:55,679 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:55,683 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:55,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark32_linear.yml/witness-2.1.yml [2024-09-11 20:47:55,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:55,729 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:55,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2024-09-11 20:47:57,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:57,153 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) [2024-09-11 20:47:57,324 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:57,325 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2024-09-11 20:47:57,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e4ac97569/ca8ef640d85e416f94fa9af968e58def/FLAGfc1c5fa92 [2024-09-11 20:47:57,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e4ac97569/ca8ef640d85e416f94fa9af968e58def [2024-09-11 20:47:57,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:57,346 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:57,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:57,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:57,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:57,355 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 08:47:55" (1/2) ... [2024-09-11 20:47:57,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0fafec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,356 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 08:47:55" (1/2) ... [2024-09-11 20:47:57,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4754892a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:57" (2/2) ... [2024-09-11 20:47:57,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0fafec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:57" (2/2) ... [2024-09-11 20:47:57,365 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:57,370 INFO L1541 ArrayList]: Loop invariant at [L22-L25] (x < 3) [2024-09-11 20:47:57,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:57,521 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/benchmark32_linear.i[868,881] [2024-09-11 20:47:57,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:57,543 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:57,556 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/benchmark32_linear.i[868,881] Start Parsing Local [2024-09-11 20:47:57,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:57,595 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:57,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57 WrapperNode [2024-09-11 20:47:57,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:57,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:57,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:57,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:57,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,625 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:47:57,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:57,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:57,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:57,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:57,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (1/1) ... [2024-09-11 20:47:57,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:57,663 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 20:47:57,664 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 20:47:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:57,773 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:57,780 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:57,899 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:57,900 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:57,918 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:57,918 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:57,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:57 BoogieIcfgContainer [2024-09-11 20:47:57,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:57,920 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:57,920 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:57,920 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:57,920 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 08:47:55" (1/4) ... [2024-09-11 20:47:57,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4325c591 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,921 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:57" (2/4) ... [2024-09-11 20:47:57,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4325c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,921 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:57" (3/4) ... [2024-09-11 20:47:57,922 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4325c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:57, skipping insertion in model container [2024-09-11 20:47:57,922 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:57" (4/4) ... [2024-09-11 20:47:57,923 INFO L79 RefereeObserver]: Analyzing ICFG benchmark32_linear.i [2024-09-11 20:47:57,926 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:57,926 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:57,926 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:47:57,926 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:57,927 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:47:57,963 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:57,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:57,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:57,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:57,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:57,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:57,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:57,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:57,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:57,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:57,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:57,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:58,003 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:58,012 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:47:58,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:58,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:58,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:58,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:58,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:58,032 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:47:58,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:58,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:58,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:58,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:58,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:58,044 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:58,051 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:58,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:58,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:58,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:58,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:58,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:58,053 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:58,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:58,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:58,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:58,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:58,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:58,065 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:47:58,065 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4325c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:58, skipping insertion in model container [2024-09-11 20:47:58,065 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:58,066 INFO L158 Benchmark]: Toolchain (without parser) took 720.38ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 110.3MB in the end (delta: 9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:58,067 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 155.2MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:58,067 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:58,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.96ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 105.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:58,068 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:58,069 INFO L158 Benchmark]: RCFGBuilder took 281.35ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 119.9MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:58,069 INFO L158 Benchmark]: Referee took 145.59ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 110.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:58,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 155.2MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.96ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 105.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.35ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 119.9MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 145.59ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 110.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:58,099 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE