./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_40-traces-ex-6_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_40-traces-ex-6_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 16:31:22,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 16:31:22,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 16:31:22,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 16:31:22,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 16:31:22,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 16:31:22,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 16:31:22,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 16:31:22,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 16:31:22,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 16:31:22,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 16:31:22,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 16:31:22,987 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 16:31:22,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 16:31:22,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 16:31:22,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 16:31:22,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 16:31:22,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 16:31:22,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 16:31:22,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 16:31:22,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 16:31:22,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 16:31:22,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 16:31:22,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 16:31:22,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 16:31:22,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 16:31:22,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 16:31:22,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 16:31:22,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 16:31:22,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 16:31:22,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:31:22,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 16:31:22,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 16:31:22,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 16:31:22,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 16:31:22,993 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 16:31:22,995 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 16:31:22,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 16:31:23,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 16:31:23,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 16:31:23,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 16:31:23,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 16:31:23,287 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 16:31:23,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-08-26 16:31:24,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 16:31:24,842 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 16:31:24,846 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-08-26 16:31:24,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/39494e32d/5ebbe3331bde4bd2bd1e3523fc7084d4/FLAG4f650a338 [2024-08-26 16:31:24,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/39494e32d/5ebbe3331bde4bd2bd1e3523fc7084d4 [2024-08-26 16:31:24,872 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 16:31:24,873 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 16:31:24,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-08-26 16:31:24,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 16:31:24,933 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 16:31:24,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 16:31:24,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 16:31:24,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 16:31:24,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:31:24" (1/2) ... [2024-08-26 16:31:24,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e854de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:31:24, skipping insertion in model container [2024-08-26 16:31:24,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:31:24" (1/2) ... [2024-08-26 16:31:24,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ad19488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:31:24, skipping insertion in model container [2024-08-26 16:31:24,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:24" (2/2) ... [2024-08-26 16:31:24,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e854de and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:24, skipping insertion in model container [2024-08-26 16:31:24,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:24" (2/2) ... [2024-08-26 16:31:24,942 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 16:31:24,970 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: Location invariant before [L696-L696] (! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (D_locked || g == 2)) [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: ghost_variable D_locked = 0 [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: ghost_update [L688-L688] A_locked = 0; [2024-08-26 16:31:24,971 INFO L1541 ArrayList]: ghost_update [L697-L697] A_locked = 1; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L690-L690] D_locked = 0; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L695-L695] multithreaded = 1; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L685-L685] D_locked = 1; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L696-L696] D_locked = 1; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L698-L698] D_locked = 0; [2024-08-26 16:31:24,972 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-08-26 16:31:25,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 16:31:25,238 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:31:25,252 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 [2024-08-26 16:31:25,319 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:31:25,350 INFO L206 MainTranslator]: Completed translation [2024-08-26 16:31:25,351 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:25 WrapperNode [2024-08-26 16:31:25,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 16:31:25,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 16:31:25,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 16:31:25,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 16:31:25,358 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,372 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,390 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-08-26 16:31:25,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 16:31:25,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 16:31:25,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 16:31:25,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 16:31:25,398 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,399 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,408 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,410 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,415 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,420 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,421 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,422 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 16:31:25,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 16:31:25,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 16:31:25,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 16:31:25,425 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 04:31:25" (1/1) ... [2024-08-26 16:31:25,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:31:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:31:25,450 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 16:31:25,452 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 16:31:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 16:31:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 16:31:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-26 16:31:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-26 16:31:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 16:31:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 16:31:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 16:31:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 16:31:25,492 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 16:31:25,590 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 16:31:25,592 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 16:31:25,794 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 16:31:25,794 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 16:31:25,925 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 16:31:25,925 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 16:31:25,926 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:31:25 BoogieIcfgContainer [2024-08-26 16:31:25,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 16:31:25,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 16:31:25,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 16:31:25,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 16:31:25,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:31:24" (1/4) ... [2024-08-26 16:31:25,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd5417f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 04:31:25, skipping insertion in model container [2024-08-26 16:31:25,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:24" (2/4) ... [2024-08-26 16:31:25,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd5417f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:31:25, skipping insertion in model container [2024-08-26 16:31:25,933 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 04:31:25" (3/4) ... [2024-08-26 16:31:25,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd5417f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:31:25, skipping insertion in model container [2024-08-26 16:31:25,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:31:25" (4/4) ... [2024-08-26 16:31:25,935 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-08-26 16:31:25,951 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 16:31:25,951 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-26 16:31:25,951 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 16:31:25,977 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 16:31:26,019 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:31:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 16:31:26,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:31:26,024 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 16:31:26,026 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 16:31:26,064 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 16:31:26,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 16:31:26,083 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;@376df9ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:31:26,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-26 16:31:26,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 16:31:26,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:31:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 724953341, now seen corresponding path program 1 times [2024-08-26 16:31:26,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:31:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809773918] [2024-08-26 16:31:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:31:26,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:31:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:31:26,454 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 16:31:26,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:31:26,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809773918] [2024-08-26 16:31:26,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809773918] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:31:26,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:31:26,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 16:31:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132419096] [2024-08-26 16:31:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:31:26,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 16:31:26,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:31:26,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 16:31:26,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 16:31:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:26,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:31:26,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16:31:26,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 16:31:26,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 16:31:26,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 16:31:26,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:31:26,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2140947392, now seen corresponding path program 1 times [2024-08-26 16:31:26,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:31:26,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859990466] [2024-08-26 16:31:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:31:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:31:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:31:26,624 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 16:31:26,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:31:26,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859990466] [2024-08-26 16:31:26,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859990466] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:31:26,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:31:26,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 16:31:26,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705347037] [2024-08-26 16:31:26,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:31:26,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 16:31:26,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:31:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 16:31:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-26 16:31:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:26,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:31:26,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 16:31:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 16:31:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 16:31:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 16:31:26,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-26 16:31:26,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-26 16:31:26,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 16:31:26,696 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-26 16:31:26,698 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 16:31:26,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 16:31:26,701 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-26 16:31:26,701 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-26 16:31:26,701 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 04:31:26 BasicIcfg [2024-08-26 16:31:26,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 16:31:26,702 INFO L158 Benchmark]: Toolchain (without parser) took 1769.48ms. Allocated memory is still 197.1MB. Free memory was 155.9MB in the beginning and 95.9MB in the end (delta: 59.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-08-26 16:31:26,702 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:26,703 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:26,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.59ms. Allocated memory is still 197.1MB. Free memory was 155.9MB in the beginning and 130.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-26 16:31:26,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 129.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:26,704 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 197.1MB. Free memory was 129.5MB in the beginning and 127.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 16:31:26,704 INFO L158 Benchmark]: RCFGBuilder took 501.15ms. Allocated memory is still 197.1MB. Free memory was 127.7MB in the beginning and 147.6MB in the end (delta: -19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-26 16:31:26,705 INFO L158 Benchmark]: TraceAbstraction took 774.75ms. Allocated memory is still 197.1MB. Free memory was 146.8MB in the beginning and 95.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-08-26 16:31:26,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.59ms. Allocated memory is still 197.1MB. Free memory was 155.9MB in the beginning and 130.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 129.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 197.1MB. Free memory was 129.5MB in the beginning and 127.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.15ms. Allocated memory is still 197.1MB. Free memory was 127.7MB in the beginning and 147.6MB in the end (delta: -19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 774.75ms. Allocated memory is still 197.1MB. Free memory was 146.8MB in the beginning and 95.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, 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: 102, independent: 90, independent conditional: 0, independent unconditional: 90, 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: 73, independent: 63, independent conditional: 0, independent unconditional: 63, 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: 73, independent: 58, independent conditional: 0, independent unconditional: 58, 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: 112, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, 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: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, independent: 63, independent conditional: 0, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 101, independent: 90, independent conditional: 27, independent unconditional: 63, 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: 102, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, independent: 90, independent conditional: 0, independent unconditional: 90, 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: 102, independent: 90, independent conditional: 0, independent unconditional: 90, 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: 73, independent: 63, independent conditional: 0, independent unconditional: 63, 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: 73, independent: 58, independent conditional: 0, independent unconditional: 58, 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: 112, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, 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: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 696]: 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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: 7, 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 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! [2024-08-26 16:31:26,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-26 16:31:26,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE