./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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_19-publish-precision_unknown_2_neg.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 15:23:48,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 15:23:48,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 15:23:48,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 15:23:48,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 15:23:48,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 15:23:48,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 15:23:48,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 15:23:48,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 15:23:48,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 15:23:48,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 15:23:48,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 15:23:48,503 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 15:23:48,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 15:23:48,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 15:23:48,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 15:23:48,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 15:23:48,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 15:23:48,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 15:23:48,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 15:23:48,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 15:23:48,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 15:23:48,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 15:23:48,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 15:23:48,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 15:23:48,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 15:23:48,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 15:23:48,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 15:23:48,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 15:23:48,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 15:23:48,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:23:48,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 15:23:48,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 15:23:48,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 15:23:48,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 15:23:48,515 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 15:23:48,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 15:23:48,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 15:23:48,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 15:23:48,516 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 15:23:48,517 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 15:23:48,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 15:23:48,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 15:23:48,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 15:23:48,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 15:23:48,771 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 15:23:48,772 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 15:23:48,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml [2024-09-23 15:23:48,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 15:23:48,848 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 15:23:48,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-09-23 15:23:50,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 15:23:50,385 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 15:23:50,386 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-09-23 15:23:50,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/04bf05e26/254b1762381a4a199c255266fedb8838/FLAGa369fdf16 [2024-09-23 15:23:50,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/04bf05e26/254b1762381a4a199c255266fedb8838 [2024-09-23 15:23:50,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 15:23:50,745 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 15:23:50,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 15:23:50,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 15:23:50,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 15:23:50,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:23:48" (1/2) ... [2024-09-23 15:23:50,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442b9806 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:23:50, skipping insertion in model container [2024-09-23 15:23:50,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:23:48" (1/2) ... [2024-09-23 15:23:50,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b61c656 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:23:50, skipping insertion in model container [2024-09-23 15:23:50,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:23:50" (2/2) ... [2024-09-23 15:23:50,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442b9806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:50, skipping insertion in model container [2024-09-23 15:23:50,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:23:50" (2/2) ... [2024-09-23 15:23:50,791 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 15:23:50,791 INFO L1541 ArrayList]: Location invariant before [L698-L698] ! multithreaded || (glob1 == 0 || glob1 == 5) [2024-09-23 15:23:50,792 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 15:23:50,792 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-09-23 15:23:50,792 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L689-L689] mutex2_locked = 1; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L692-L692] mutex1_locked = 0; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L700-L700] mutex2_locked = 0; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L691-L691] mutex2_locked = 0; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L688-L688] mutex2_locked = 0; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L698-L698] mutex2_locked = 1; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L697-L697] multithreaded = 1; [2024-09-23 15:23:50,793 INFO L1541 ArrayList]: ghost_update [L685-L685] mutex1_locked = 1; [2024-09-23 15:23:50,794 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex2_locked = 1; [2024-09-23 15:23:50,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 15:23:51,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:23:51,149 INFO L200 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 [2024-09-23 15:23:51,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:23:51,251 INFO L204 MainTranslator]: Completed translation [2024-09-23 15:23:51,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51 WrapperNode [2024-09-23 15:23:51,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 15:23:51,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 15:23:51,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 15:23:51,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 15:23:51,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,299 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-09-23 15:23:51,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 15:23:51,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 15:23:51,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 15:23:51,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 15:23:51,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 15:23:51,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 15:23:51,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 15:23:51,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 15:23:51,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (1/1) ... [2024-09-23 15:23:51,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:23:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:23:51,374 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) [2024-09-23 15:23:51,381 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 [2024-09-23 15:23:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 15:23:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 15:23:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 15:23:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 15:23:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 15:23:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 15:23:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 15:23:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 15:23:51,425 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 15:23:51,559 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 15:23:51,561 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 15:23:51,735 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 15:23:51,736 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 15:23:51,868 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 15:23:51,868 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 15:23:51,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:23:51 BoogieIcfgContainer [2024-09-23 15:23:51,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 15:23:51,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 15:23:51,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 15:23:51,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 15:23:51,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:23:48" (1/4) ... [2024-09-23 15:23:51,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67116058 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 03:23:51, skipping insertion in model container [2024-09-23 15:23:51,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 03:23:50" (2/4) ... [2024-09-23 15:23:51,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67116058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 03:23:51, skipping insertion in model container [2024-09-23 15:23:51,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:23:51" (3/4) ... [2024-09-23 15:23:51,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67116058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 03:23:51, skipping insertion in model container [2024-09-23 15:23:51,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:23:51" (4/4) ... [2024-09-23 15:23:51,904 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-09-23 15:23:51,922 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 15:23:51,922 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 15:23:51,922 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 15:23:51,965 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 15:23:52,004 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:23:52,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:23:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:23:52,007 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) [2024-09-23 15:23:52,009 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 [2024-09-23 15:23:52,042 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:23:52,051 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 15:23:52,056 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6a33c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:23:52,057 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 15:23:52,162 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 15:23:52,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:23:52,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1160762189, now seen corresponding path program 1 times [2024-09-23 15:23:52,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:23:52,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664195283] [2024-09-23 15:23:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:23:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:23:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:23:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:23:52,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:23:52,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664195283] [2024-09-23 15:23:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664195283] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:23:52,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:23:52,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:23:52,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019189954] [2024-09-23 15:23:52,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:23:52,422 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:23:52,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:23:52,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:23:52,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:23:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:23:52,440 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:23:52,441 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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) [2024-09-23 15:23:52,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:23:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:23:52,492 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 15:23:52,492 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 15:23:52,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:23:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 69477075, now seen corresponding path program 1 times [2024-09-23 15:23:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:23:52,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918260685] [2024-09-23 15:23:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:23:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:23:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:23:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:23:52,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:23:52,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918260685] [2024-09-23 15:23:52,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918260685] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:23:52,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:23:52,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:23:52,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16696304] [2024-09-23 15:23:52,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:23:52,595 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:23:52,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:23:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:23:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:23:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:23:52,597 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:23:52,597 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-09-23 15:23:52,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:23:52,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:23:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:23:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:23:52,662 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 15:23:52,662 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 15:23:52,662 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 15:23:52,668 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 15:23:52,671 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 15:23:52,671 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 15:23:52,673 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 15:23:52,673 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 15:23:52,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 03:23:52 BasicIcfg [2024-09-23 15:23:52,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 15:23:52,675 INFO L158 Benchmark]: Toolchain (without parser) took 1929.49ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 75.1MB in the end (delta: 20.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,676 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:23:52,677 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:23:52,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.25ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 71.1MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 153.1MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,679 INFO L158 Benchmark]: Boogie Preprocessor took 33.19ms. Allocated memory is still 153.1MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,679 INFO L158 Benchmark]: RCFGBuilder took 555.18ms. Allocated memory is still 153.1MB. Free memory was 67.6MB in the beginning and 121.3MB in the end (delta: -53.7MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,683 INFO L158 Benchmark]: TraceAbstraction took 782.97ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 75.1MB in the end (delta: 46.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-23 15:23:52,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.25ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 71.1MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 153.1MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.19ms. Allocated memory is still 153.1MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.18ms. Allocated memory is still 153.1MB. Free memory was 67.6MB in the beginning and 121.3MB in the end (delta: -53.7MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * TraceAbstraction took 782.97ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 75.1MB in the end (delta: 46.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 157, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 157, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 157, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 31, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 156, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, independent: 145, independent conditional: 39, independent unconditional: 106, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 157, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 157, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 157, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 698]: 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 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 6, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 15:23:52,715 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 [2024-09-23 15:23:52,914 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