./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_67-pthread_cond_wait_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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_67-pthread_cond_wait_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_67-pthread_cond_wait_true.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-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 00:00:20,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:00:20,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:00:20,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:00:20,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:00:20,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:00:20,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:00:20,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:00:20,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:00:20,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:00:20,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:00:20,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:00:20,370 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:00:20,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:00:20,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:00:20,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:00:20,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:00:20,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:00:20,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:00:20,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:00:20,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:00:20,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:00:20,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:00:20,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:00:20,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:00:20,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:00:20,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:00:20,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:00:20,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:00:20,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:00:20,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:00:20,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:00:20,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:00:20,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:00:20,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:00:20,378 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:00:20,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:00:20,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:00:20,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:00:20,379 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:00:20,379 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:00:20,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:00:20,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:00:20,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:00:20,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:00:20,658 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:00:20,659 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:00:20,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_67-pthread_cond_wait_true.yml/witness.yml [2024-09-08 00:00:20,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:00:20,807 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:00:20,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-09-08 00:00:22,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:00:22,821 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:00:22,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-09-08 00:00:22,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5decb0c74/8fff55a76c9b4e07991d8c7934334433/FLAG86eb1dafb [2024-09-08 00:00:22,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5decb0c74/8fff55a76c9b4e07991d8c7934334433 [2024-09-08 00:00:22,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:00:22,878 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:00:22,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:00:22,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:00:22,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:00:22,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:20" (1/2) ... [2024-09-08 00:00:22,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bd6ac4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:00:22, skipping insertion in model container [2024-09-08 00:00:22,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:20" (1/2) ... [2024-09-08 00:00:22,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36d288fa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:00:22, skipping insertion in model container [2024-09-08 00:00:22,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:00:22" (2/2) ... [2024-09-08 00:00:22,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bd6ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:22, skipping insertion in model container [2024-09-08 00:00:22,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:00:22" (2/2) ... [2024-09-08 00:00:22,961 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:00:22,963 INFO L1541 ArrayList]: Location invariant before [L1378-L1378] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-09-08 00:00:22,963 INFO L1541 ArrayList]: Location invariant before [L1376-L1376] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-09-08 00:00:22,963 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:00:22,964 INFO L1541 ArrayList]: ghost_variable mut_locked = 0 [2024-09-08 00:00:22,964 INFO L1541 ArrayList]: ghost_update [L1375-L1375] multithreaded = 1; [2024-09-08 00:00:22,964 INFO L1541 ArrayList]: ghost_update [L1361-L1361] mut_locked = 0; [2024-09-08 00:00:22,965 INFO L1541 ArrayList]: ghost_update [L1368-L1368] mut_locked = 0; [2024-09-08 00:00:22,965 INFO L1541 ArrayList]: ghost_update [L1357-L1357] mut_locked = 0; [2024-09-08 00:00:22,966 INFO L1541 ArrayList]: ghost_update [L1357-L1357] mut_locked = 1; [2024-09-08 00:00:22,966 INFO L1541 ArrayList]: ghost_update [L1365-L1365] mut_locked = 1; [2024-09-08 00:00:22,966 INFO L1541 ArrayList]: ghost_update [L1355-L1355] mut_locked = 1; [2024-09-08 00:00:23,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:00:23,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:00:23,555 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 [2024-09-08 00:00:23,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:00:23,743 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:00:23,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23 WrapperNode [2024-09-08 00:00:23,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:00:23,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:00:23,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:00:23,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:00:23,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,824 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-09-08 00:00:23,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:00:23,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:00:23,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:00:23,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:00:23,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:00:23,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:00:23,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:00:23,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:00:23,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (1/1) ... [2024-09-08 00:00:23,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:00:23,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:00:23,914 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) [2024-09-08 00:00:23,917 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 [2024-09-08 00:00:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-09-08 00:00:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-09-08 00:00:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-09-08 00:00:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-09-08 00:00:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 00:00:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 00:00:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:00:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:00:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:00:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:00:23,981 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 00:00:24,250 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:00:24,253 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:00:24,469 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:00:24,469 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 00:00:24,591 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 00:00:24,591 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 00:00:24,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:00:24 BoogieIcfgContainer [2024-09-08 00:00:24,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 00:00:24,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 00:00:24,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 00:00:24,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 00:00:24,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:20" (1/4) ... [2024-09-08 00:00:24,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d87a4ec and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:00:24, skipping insertion in model container [2024-09-08 00:00:24,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:00:22" (2/4) ... [2024-09-08 00:00:24,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d87a4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:00:24, skipping insertion in model container [2024-09-08 00:00:24,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:23" (3/4) ... [2024-09-08 00:00:24,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d87a4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:00:24, skipping insertion in model container [2024-09-08 00:00:24,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:00:24" (4/4) ... [2024-09-08 00:00:24,603 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-09-08 00:00:24,621 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 00:00:24,622 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 00:00:24,622 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 00:00:24,668 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 00:00:24,720 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:00:24,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 00:00:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:00:24,724 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) [2024-09-08 00:00:24,725 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 [2024-09-08 00:00:24,759 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 00:00:24,771 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 00:00:24,777 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;@2733560e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:00:24,777 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-08 00:00:24,912 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:00:24,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:00:24,921 INFO L85 PathProgramCache]: Analyzing trace with hash -241032428, now seen corresponding path program 1 times [2024-09-08 00:00:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:00:24,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019960413] [2024-09-08 00:00:24,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:00:24,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:00:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:00:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:00:25,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:00:25,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019960413] [2024-09-08 00:00:25,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019960413] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:00:25,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:00:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 00:00:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173982857] [2024-09-08 00:00:25,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:00:25,502 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:00:25,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:00:25,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:00:25,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:00:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:00:25,534 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:00:25,535 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) [2024-09-08 00:00:25,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:00:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:00:25,734 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 00:00:25,734 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 00:00:25,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:00:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash 139691683, now seen corresponding path program 1 times [2024-09-08 00:00:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:00:25,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383559080] [2024-09-08 00:00:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:00:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:00:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:00:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:00:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:00:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383559080] [2024-09-08 00:00:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383559080] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:00:25,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:00:25,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 00:00:25,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194841542] [2024-09-08 00:00:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:00:25,845 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:00:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:00:25,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:00:25,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:00:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:00:25,847 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:00:25,847 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-09-08 00:00:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:00:25,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:00:26,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:00:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:00:26,070 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-08 00:00:26,071 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-08 00:00:26,071 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-08 00:00:26,071 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-08 00:00:26,071 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 00:00:26,078 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 00:00:26,081 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 00:00:26,081 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 00:00:26,083 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 00:00:26,083 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 00:00:26,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:00:26 BasicIcfg [2024-09-08 00:00:26,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 00:00:26,086 INFO L158 Benchmark]: Toolchain (without parser) took 3208.12ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 136.3MB in the beginning and 110.1MB in the end (delta: 26.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,086 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:00:26,087 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:00:26,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.29ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 90.0MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.38ms. Allocated memory is still 169.9MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,088 INFO L158 Benchmark]: Boogie Preprocessor took 38.30ms. Allocated memory is still 169.9MB. Free memory was 86.5MB in the beginning and 84.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,088 INFO L158 Benchmark]: RCFGBuilder took 726.46ms. Allocated memory is still 169.9MB. Free memory was 84.5MB in the beginning and 105.6MB in the end (delta: -21.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,089 INFO L158 Benchmark]: TraceAbstraction took 1490.11ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 104.5MB in the beginning and 110.1MB in the end (delta: -5.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-09-08 00:00:26,090 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 0.18ms. Allocated memory is still 125.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.29ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 90.0MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.38ms. Allocated memory is still 169.9MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.30ms. Allocated memory is still 169.9MB. Free memory was 86.5MB in the beginning and 84.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.46ms. Allocated memory is still 169.9MB. Free memory was 84.5MB in the beginning and 105.6MB in the end (delta: -21.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1490.11ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 104.5MB in the beginning and 110.1MB in the end (delta: -5.5MB). Peak memory consumption was 32.2MB. 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: 654, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 45, dependent conditional: 23, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 640, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 649, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 40, dependent conditional: 18, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 649, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 649, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 361, independent: 339, independent conditional: 0, independent unconditional: 339, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 361, independent: 284, independent conditional: 0, independent unconditional: 284, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 649, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 361, unknown conditional: 0, unknown unconditional: 361] , Statistics on independence cache: Total cache size (in pairs): 361, Positive cache size: 339, Positive conditional cache size: 0, Positive unconditional cache size: 339, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 289, Maximal queried relation: 1, Independence queries for same thread: 14, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 147, Number of trivial persistent sets: 147, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, independent: 338, independent conditional: 0, independent unconditional: 338, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 654, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 45, dependent conditional: 23, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 640, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 31, dependent conditional: 9, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 649, independent: 609, independent conditional: 271, independent unconditional: 338, dependent: 40, dependent conditional: 18, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 649, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 649, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 361, independent: 339, independent conditional: 0, independent unconditional: 339, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 361, independent: 284, independent conditional: 0, independent unconditional: 284, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 649, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 361, unknown conditional: 0, unknown unconditional: 361] , Statistics on independence cache: Total cache size (in pairs): 361, Positive cache size: 339, Positive conditional cache size: 0, Positive unconditional cache size: 339, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 289, Maximal queried relation: 1, Independence queries for same thread: 14 - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 00:00:26,125 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 [2024-09-08 00:00:26,330 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