./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack_longer-2.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/stack_longer-2.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/pthread/stack_longer-2.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/stack_longer-2.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 19:27:25,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:27:25,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:27:25,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:27:25,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:27:25,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:27:25,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:27:25,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:27:25,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:27:25,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:27:25,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:27:25,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:27:25,953 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:27:25,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:27:25,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:27:25,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:27:25,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:27:25,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:27:25,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:27:25,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:27:25,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:27:25,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:27:25,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:27:25,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:27:25,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:27:25,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:27:25,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:27:25,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:27:25,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:27:25,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:27:25,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:27:25,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:27:25,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:27:25,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:27:25,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:27:25,962 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:27:25,962 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:27:25,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:27:26,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:27:26,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:27:26,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:27:26,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:27:26,233 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:27:26,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2024-08-26 19:27:27,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:27:27,828 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:27:27,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2024-08-26 19:27:27,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30f7cffd9/c1a0e7d16db240eba5012f17d3b194bd/FLAG44ae3264f [2024-08-26 19:27:27,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30f7cffd9/c1a0e7d16db240eba5012f17d3b194bd [2024-08-26 19:27:27,862 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:27:27,863 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:27:27,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/stack_longer-2.yml/witness.yml [2024-08-26 19:27:27,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:27:27,949 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:27:27,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:27:27,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:27:27,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:27:27,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:27:27" (1/2) ... [2024-08-26 19:27:27,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f673381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:27:27, skipping insertion in model container [2024-08-26 19:27:27,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:27:27" (1/2) ... [2024-08-26 19:27:27,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d099456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:27:27, skipping insertion in model container [2024-08-26 19:27:27,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:27:27" (2/2) ... [2024-08-26 19:27:27,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f673381 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:27:27, skipping insertion in model container [2024-08-26 19:27:27,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:27:27" (2/2) ... [2024-08-26 19:27:27,958 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:27:28,009 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:27:28,009 INFO L1541 ArrayList]: Location invariant before [L1022-L1022] ! multithreaded || flag == (_Bool)0 [2024-08-26 19:27:28,009 INFO L1541 ArrayList]: Location invariant before [L1023-L1023] ! multithreaded || flag == (_Bool)0 [2024-08-26 19:27:28,009 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L998-L998] m_locked = 0; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L1021-L1021] multithreaded = 1; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,010 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1007-L1007] m_locked = 1; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,011 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L1013-L1013] m_locked = 0; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,012 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,013 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,013 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,013 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,013 INFO L1541 ArrayList]: ghost_update [L993-L993] m_locked = 1; [2024-08-26 19:27:28,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:27:28,395 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:27:28,406 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 19:27:28,495 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:27:28,541 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:27:28,542 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:27:28 WrapperNode [2024-08-26 19:27:28,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:27:28,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:27:28,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:27:28,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:27:28,549 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,569 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,602 INFO L138 Inliner]: procedures = 277, calls = 31, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 188 [2024-08-26 19:27:28,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:27:28,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:27:28,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:27:28,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:27:28,616 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,616 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,620 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,620 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,625 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,627 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,629 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,630 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:27:28,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:27:28,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:27:28,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:27:28,633 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 07:27:28" (1/1) ... [2024-08-26 19:27:28,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:27:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:27:28,658 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 19:27:28,662 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 19:27:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-26 19:27:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-26 19:27:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-26 19:27:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-26 19:27:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:27:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-26 19:27:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-26 19:27:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:27:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:27:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:27:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:27:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:27:28,767 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 19:27:28,861 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:27:28,863 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:27:29,070 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:27:29,072 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 19:27:29,283 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 19:27:29,283 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-26 19:27:29,284 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:27:29 BoogieIcfgContainer [2024-08-26 19:27:29,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 19:27:29,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 19:27:29,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 19:27:29,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 19:27:29,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:27:27" (1/4) ... [2024-08-26 19:27:29,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:27:29, skipping insertion in model container [2024-08-26 19:27:29,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:27:27" (2/4) ... [2024-08-26 19:27:29,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7113 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:27:29, skipping insertion in model container [2024-08-26 19:27:29,291 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 07:27:28" (3/4) ... [2024-08-26 19:27:29,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7113 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:27:29, skipping insertion in model container [2024-08-26 19:27:29,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:27:29" (4/4) ... [2024-08-26 19:27:29,293 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2024-08-26 19:27:29,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 19:27:29,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 19:27:29,308 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 19:27:29,352 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-26 19:27:29,389 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:27:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 19:27:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:27:29,393 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 19:27:29,395 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 19:27:29,430 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 19:27:29,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 19:27:29,448 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;@71cff9c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:27:29,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 19:27:29,499 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 19:27:29,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:27:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1630153082, now seen corresponding path program 1 times [2024-08-26 19:27:29,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:27:29,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429840980] [2024-08-26 19:27:29,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:27:29,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:27:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:27:29,786 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 19:27:29,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:27:29,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429840980] [2024-08-26 19:27:29,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429840980] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:27:29,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:27:29,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 19:27:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332316821] [2024-08-26 19:27:29,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:27:29,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 19:27:29,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:27:29,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 19:27:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 19:27:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:27:29,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:27:29,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:27:29,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:27:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 19:27:29,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 19:27:29,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 19:27:29,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 19:27:29,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 19:27:29,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 19:27:29,923 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-26 19:27:29,927 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 19:27:29,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 19:27:29,959 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 19:27:29,959 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 19:27:29,961 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:27:29 BasicIcfg [2024-08-26 19:27:29,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 19:27:29,966 INFO L158 Benchmark]: Toolchain (without parser) took 2016.56ms. Allocated memory was 190.8MB in the beginning and 253.8MB in the end (delta: 62.9MB). Free memory was 158.9MB in the beginning and 215.0MB in the end (delta: -56.1MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,966 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:27:29,966 INFO L158 Benchmark]: Witness Parser took 0.41ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 154.7MB in the end (delta: 35.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:27:29,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.13ms. Allocated memory is still 190.8MB. Free memory was 158.9MB in the beginning and 117.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.66ms. Allocated memory is still 190.8MB. Free memory was 117.0MB in the beginning and 113.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,967 INFO L158 Benchmark]: Boogie Preprocessor took 24.63ms. Allocated memory is still 190.8MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,967 INFO L158 Benchmark]: RCFGBuilder took 651.67ms. Allocated memory is still 190.8MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,968 INFO L158 Benchmark]: TraceAbstraction took 679.60ms. Allocated memory was 190.8MB in the beginning and 253.8MB in the end (delta: 62.9MB). Free memory was 109.2MB in the beginning and 215.0MB in the end (delta: -105.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-08-26 19:27:29,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.41ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 154.7MB in the end (delta: 35.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.13ms. Allocated memory is still 190.8MB. Free memory was 158.9MB in the beginning and 117.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.66ms. Allocated memory is still 190.8MB. Free memory was 117.0MB in the beginning and 113.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.63ms. Allocated memory is still 190.8MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.67ms. Allocated memory is still 190.8MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 679.60ms. Allocated memory was 190.8MB in the beginning and 253.8MB in the end (delta: 62.9MB). Free memory was 109.2MB in the beginning and 215.0MB in the end (delta: -105.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 321, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 238, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 304, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 238, unknown conditional: 0, unknown unconditional: 238] , Statistics on independence cache: Total cache size (in pairs): 238, Positive cache size: 236, Positive conditional cache size: 0, Positive unconditional cache size: 236, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 19, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 321, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 66, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 238, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 304, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 238, unknown conditional: 0, unknown unconditional: 238] , Statistics on independence cache: Total cache size (in pairs): 238, Positive cache size: 236, Positive conditional cache size: 0, Positive unconditional cache size: 236, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 17 - PositiveResult [Line: 1022]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1023]: 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, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 19:27:30,018 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 19:27:30,219 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