./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/13-privatized_27-multiple-protecting2_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/13-privatized_27-multiple-protecting2_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 19:29:22,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:29:22,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:29:22,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:29:22,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:29:22,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:29:22,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:29:22,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:29:22,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:29:22,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:29:22,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:29:22,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:29:22,423 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:29:22,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:29:22,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:29:22,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:29:22,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:29:22,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:29:22,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:29:22,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:29:22,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:29:22,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:29:22,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:29:22,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:29:22,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:29:22,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:29:22,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:29:22,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:29:22,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:29:22,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:29:22,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:29:22,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:29:22,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:29:22,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:29:22,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:29:22,428 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:29:22,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:29:22,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:29:22,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:29:22,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:29:22,429 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:29:22,429 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:29:22,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:29:22,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:29:22,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:29:22,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:29:22,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:29:22,645 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:29:22,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-08-26 19:29:23,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:29:23,864 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) [2024-08-26 19:29:24,037 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:29:24,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-08-26 19:29:24,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/027a75a8c/4cdcdd06f9e941df8944913affe2959d/FLAG16c2b0235 [2024-08-26 19:29:24,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/027a75a8c/4cdcdd06f9e941df8944913affe2959d [2024-08-26 19:29:24,062 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:29:24,063 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:29:24,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/13-privatized_27-multiple-protecting2_true.yml/witness.yml [2024-08-26 19:29:24,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:29:24,141 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:29:24,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:29:24,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:29:24,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:29:24,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:29:24" (1/2) ... [2024-08-26 19:29:24,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcce57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:29:24, skipping insertion in model container [2024-08-26 19:29:24,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:29:24" (1/2) ... [2024-08-26 19:29:24,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d8f9525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:29:24, skipping insertion in model container [2024-08-26 19:29:24,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:29:24" (2/2) ... [2024-08-26 19:29:24,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcce57e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24, skipping insertion in model container [2024-08-26 19:29:24,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:29:24" (2/2) ... [2024-08-26 19:29:24,150 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:29:24,207 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:29:24,208 INFO L1541 ArrayList]: Location invariant before [L712-L712] (! multithreaded || 0 <= g2) && (! multithreaded || 0 <= g1) [2024-08-26 19:29:24,209 INFO L1541 ArrayList]: Location invariant before [L711-L711] (! multithreaded || 0 <= g2) && (! multithreaded || 0 <= g1) [2024-08-26 19:29:24,209 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-08-26 19:29:24,209 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-08-26 19:29:24,209 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_variable __global_lock_locked = 0 [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L722-L722] __global_lock_locked = 0; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L693-L693] mutex1_locked = 0; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L704-L704] mutex2_locked = 0; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L716-L716] mutex2_locked = 1; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex1_locked = 1; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L717-L717] __global_lock_locked = 1; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L700-L700] __global_lock_locked = 0; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-08-26 19:29:24,210 INFO L1541 ArrayList]: ghost_update [L720-L720] __global_lock_locked = 1; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L727-L727] mutex1_locked = 0; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L698-L698] __global_lock_locked = 1; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L697-L697] mutex2_locked = 1; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L715-L715] __global_lock_locked = 0; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L726-L726] __global_lock_locked = 0; [2024-08-26 19:29:24,211 INFO L1541 ArrayList]: ghost_update [L710-L710] multithreaded = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L712-L712] mutex1_locked = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L713-L713] __global_lock_locked = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L719-L719] __global_lock_locked = 0; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L701-L701] __global_lock_locked = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L724-L724] __global_lock_locked = 1; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-08-26 19:29:24,212 INFO L1541 ArrayList]: ghost_update [L723-L723] mutex2_locked = 0; [2024-08-26 19:29:24,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:29:24,530 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:29:24,539 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 19:29:24,598 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:29:24,626 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:29:24,627 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24 WrapperNode [2024-08-26 19:29:24,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:29:24,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:29:24,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:29:24,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:29:24,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,665 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 139 [2024-08-26 19:29:24,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:29:24,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:29:24,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:29:24,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:29:24,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:29:24,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:29:24,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:29:24,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:29:24,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (1/1) ... [2024-08-26 19:29:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:29:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:29:24,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-26 19:29:24,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-08-26 19:29:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-26 19:29:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:29:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:29:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:29:24,748 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 19:29:24,837 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:29:24,838 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:29:25,042 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:29:25,042 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 19:29:25,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 19:29:25,216 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 19:29:25,216 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:29:25 BoogieIcfgContainer [2024-08-26 19:29:25,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 19:29:25,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 19:29:25,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 19:29:25,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 19:29:25,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:29:24" (1/4) ... [2024-08-26 19:29:25,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418b8661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:29:25, skipping insertion in model container [2024-08-26 19:29:25,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:29:24" (2/4) ... [2024-08-26 19:29:25,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418b8661 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:29:25, skipping insertion in model container [2024-08-26 19:29:25,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:29:24" (3/4) ... [2024-08-26 19:29:25,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418b8661 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:29:25, skipping insertion in model container [2024-08-26 19:29:25,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:29:25" (4/4) ... [2024-08-26 19:29:25,224 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-08-26 19:29:25,237 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 19:29:25,237 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 19:29:25,237 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 19:29:25,268 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-26 19:29:25,301 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:29:25,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 19:29:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:29:25,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 19:29:25,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-26 19:29:25,327 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 19:29:25,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 19:29:25,342 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@417485e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:29:25,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 19:29:25,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:25,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:25,486 INFO L85 PathProgramCache]: Analyzing trace with hash -690407740, now seen corresponding path program 1 times [2024-08-26 19:29:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:25,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81444747] [2024-08-26 19:29:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:25,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:25,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:25,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81444747] [2024-08-26 19:29:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81444747] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:25,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 19:29:25,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454662950] [2024-08-26 19:29:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:25,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 19:29:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 19:29:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-26 19:29:25,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:25,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:25,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:25,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:25,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 19:29:26,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:26,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash 431543504, now seen corresponding path program 1 times [2024-08-26 19:29:26,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:26,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851226926] [2024-08-26 19:29:26,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:26,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851226926] [2024-08-26 19:29:26,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851226926] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:26,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:26,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 19:29:26,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463374049] [2024-08-26 19:29:26,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:26,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 19:29:26,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:26,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 19:29:26,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-26 19:29:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:26,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:26,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:26,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 19:29:26,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:26,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:26,509 INFO L85 PathProgramCache]: Analyzing trace with hash 216785206, now seen corresponding path program 2 times [2024-08-26 19:29:26,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:26,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503935697] [2024-08-26 19:29:26,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:26,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:26,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:26,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503935697] [2024-08-26 19:29:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503935697] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:26,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:26,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 19:29:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666124585] [2024-08-26 19:29:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:26,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 19:29:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 19:29:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-26 19:29:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:26,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:26,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:26,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-26 19:29:26,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:26,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2091489424, now seen corresponding path program 3 times [2024-08-26 19:29:26,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:26,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049041383] [2024-08-26 19:29:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:26,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:26,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049041383] [2024-08-26 19:29:26,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049041383] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:26,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:26,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 19:29:26,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140539350] [2024-08-26 19:29:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:26,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 19:29:26,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:26,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 19:29:26,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-26 19:29:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:26,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:26,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:26,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:26,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:26,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-26 19:29:27,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:27,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash -832492422, now seen corresponding path program 4 times [2024-08-26 19:29:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:27,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056931542] [2024-08-26 19:29:27,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:27,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:27,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056931542] [2024-08-26 19:29:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056931542] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:27,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:27,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 19:29:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425579369] [2024-08-26 19:29:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:27,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 19:29:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:27,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 19:29:27,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-26 19:29:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:27,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:27,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-26 19:29:27,491 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 19:29:27,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:29:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1750576172, now seen corresponding path program 5 times [2024-08-26 19:29:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:29:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480828961] [2024-08-26 19:29:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:29:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:29:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:29:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:29:27,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:29:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480828961] [2024-08-26 19:29:27,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480828961] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:29:27,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:29:27,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-26 19:29:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049742772] [2024-08-26 19:29:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:29:27,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-26 19:29:27,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:29:27,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-26 19:29:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-26 19:29:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:27,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:29:27,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 19:29:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:29:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 19:29:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 19:29:27,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 19:29:27,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 19:29:27,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 19:29:27,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 19:29:27,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-26 19:29:27,817 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1] [2024-08-26 19:29:27,819 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 19:29:27,819 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 19:29:27,821 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 19:29:27,821 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 19:29:27,821 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:29:27 BasicIcfg [2024-08-26 19:29:27,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 19:29:27,822 INFO L158 Benchmark]: Toolchain (without parser) took 3680.78ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 99.3MB in the beginning and 71.6MB in the end (delta: 27.8MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,822 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:29:27,822 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:29:27,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.83ms. Allocated memory is still 174.1MB. Free memory was 99.2MB in the beginning and 121.1MB in the end (delta: -21.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,823 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,823 INFO L158 Benchmark]: RCFGBuilder took 528.71ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 130.7MB in the end (delta: -13.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,823 INFO L158 Benchmark]: TraceAbstraction took 2603.99ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 129.7MB in the beginning and 71.6MB in the end (delta: 58.1MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-08-26 19:29:27,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.83ms. Allocated memory is still 174.1MB. Free memory was 99.2MB in the beginning and 121.1MB in the end (delta: -21.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.71ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 130.7MB in the end (delta: -13.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2603.99ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 129.7MB in the beginning and 71.6MB in the end (delta: 58.1MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5685, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 220, dependent conditional: 157, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5633, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 168, dependent conditional: 105, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5633, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 168, dependent conditional: 105, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 374, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1139, independent: 1076, independent conditional: 5, independent unconditional: 1071, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1139, independent: 1014, independent conditional: 0, independent unconditional: 1014, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 149, independent conditional: 9, independent unconditional: 140, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6012, independent: 4389, independent conditional: 0, independent unconditional: 4389, dependent: 484, dependent conditional: 0, dependent unconditional: 484, unknown: 1139, unknown conditional: 5, unknown unconditional: 1134] , Statistics on independence cache: Total cache size (in pairs): 1139, Positive cache size: 1076, Positive conditional cache size: 5, Positive unconditional cache size: 1071, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 374, Maximal queried relation: 6, Independence queries for same thread: 52 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 451, Number of trivial persistent sets: 451, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1133, independent: 1070, independent conditional: 0, independent unconditional: 1070, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5685, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 220, dependent conditional: 157, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5633, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 168, dependent conditional: 105, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5633, independent: 5465, independent conditional: 4395, independent unconditional: 1070, dependent: 168, dependent conditional: 105, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 374, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6012, independent: 5465, independent conditional: 5, independent unconditional: 5460, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1139, independent: 1076, independent conditional: 5, independent unconditional: 1071, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1139, independent: 1014, independent conditional: 0, independent unconditional: 1014, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 149, independent conditional: 9, independent unconditional: 140, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6012, independent: 4389, independent conditional: 0, independent unconditional: 4389, dependent: 484, dependent conditional: 0, dependent unconditional: 484, unknown: 1139, unknown conditional: 5, unknown unconditional: 1134] , Statistics on independence cache: Total cache size (in pairs): 1139, Positive cache size: 1076, Positive conditional cache size: 5, Positive unconditional cache size: 1071, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 374, Maximal queried relation: 6, Independence queries for same thread: 52 - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 712]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 97 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 1309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 19:29:27,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 19:29:28,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE