./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_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/protection-ghost/13-privatized_20-publish-regression_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_20-publish-regression_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-dev-e94c40d-m [2024-09-23 11:35:34,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:35:34,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:35:34,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:35:34,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:35:34,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:35:34,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:35:34,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:35:34,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:35:34,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:35:34,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:35:34,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:35:34,827 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:35:34,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:35:34,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:35:34,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:35:34,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:35:34,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:35:34,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:35:34,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:35:34,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:35:34,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:35:34,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:35:34,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:35:34,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:35:34,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:35:34,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:35:34,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:35:34,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:35:34,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:35:34,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:35:34,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:35:34,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:35:34,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:35:34,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:35:34,840 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:35:34,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:35:34,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:35:34,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:35:34,841 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:35:34,841 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:35:34,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:35:35,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:35:35,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:35:35,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:35:35,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:35:35,103 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:35:35,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-09-23 11:35:36,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:35:36,829 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:35:36,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-09-23 11:35:36,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26054290f/99f544d4eef54dc2bc630c2053224e3d/FLAG2623147dd [2024-09-23 11:35:36,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26054290f/99f544d4eef54dc2bc630c2053224e3d [2024-09-23 11:35:36,859 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:35:36,860 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:35:36,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_20-publish-regression_true.yml/witness.yml [2024-09-23 11:35:36,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:35:36,923 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:35:36,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:35:36,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:35:36,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:35:36,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:35:36" (1/2) ... [2024-09-23 11:35:36,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145dd978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:35:36, skipping insertion in model container [2024-09-23 11:35:36,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:35:36" (1/2) ... [2024-09-23 11:35:36,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64ed3f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:35:36, skipping insertion in model container [2024-09-23 11:35:36,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:36" (2/2) ... [2024-09-23 11:35:36,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145dd978 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:36, skipping insertion in model container [2024-09-23 11:35:36,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:36" (2/2) ... [2024-09-23 11:35:36,959 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:35:36,960 INFO L1541 ArrayList]: Location invariant before [L700-L700] ! multithreaded || (glob1 == 0 || glob1 == 5) [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_update [L699-L699] multithreaded = 1; [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex2_locked = 1; [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_update [L685-L685] mutex1_locked = 1; [2024-09-23 11:35:36,961 INFO L1541 ArrayList]: ghost_update [L693-L693] mutex2_locked = 0; [2024-09-23 11:35:36,962 INFO L1541 ArrayList]: ghost_update [L702-L702] mutex1_locked = 0; [2024-09-23 11:35:36,962 INFO L1541 ArrayList]: ghost_update [L692-L692] mutex1_locked = 0; [2024-09-23 11:35:36,962 INFO L1541 ArrayList]: ghost_update [L700-L700] mutex1_locked = 1; [2024-09-23 11:35:36,962 INFO L1541 ArrayList]: ghost_update [L688-L688] mutex2_locked = 0; [2024-09-23 11:35:36,962 INFO L1541 ArrayList]: ghost_update [L689-L689] mutex2_locked = 1; [2024-09-23 11:35:37,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:35:37,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:35:37,390 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 11:35:37,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:35:37,525 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:35:37,526 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37 WrapperNode [2024-09-23 11:35:37,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:35:37,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:35:37,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:35:37,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:35:37,536 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 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,549 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 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,577 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 101 [2024-09-23 11:35:37,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:35:37,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:35:37,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:35:37,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:35:37,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:35:37,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:35:37,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:35:37,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:35:37,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (1/1) ... [2024-09-23 11:35:37,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:35:37,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:35:37,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 11:35:37,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 11:35:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:35:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:35:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 11:35:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 11:35:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:35:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:35:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:35:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:35:37,705 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 11:35:37,849 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:35:37,851 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:35:38,024 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:35:38,024 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 11:35:38,175 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 11:35:38,175 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 11:35:38,176 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:35:38 BoogieIcfgContainer [2024-09-23 11:35:38,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 11:35:38,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 11:35:38,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 11:35:38,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 11:35:38,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:35:36" (1/4) ... [2024-09-23 11:35:38,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec5f3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:35:38, skipping insertion in model container [2024-09-23 11:35:38,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:36" (2/4) ... [2024-09-23 11:35:38,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec5f3cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:35:38, skipping insertion in model container [2024-09-23 11:35:38,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:37" (3/4) ... [2024-09-23 11:35:38,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec5f3cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:35:38, skipping insertion in model container [2024-09-23 11:35:38,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:35:38" (4/4) ... [2024-09-23 11:35:38,190 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-09-23 11:35:38,209 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 11:35:38,210 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 11:35:38,210 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 11:35:38,248 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 11:35:38,293 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:35:38,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 11:35:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:35:38,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 11:35:38,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 11:35:38,334 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 11:35:38,348 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 11:35:38,355 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;@5b1be82a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:35:38,356 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 11:35:38,481 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 11:35:38,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:35:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1191832971, now seen corresponding path program 1 times [2024-09-23 11:35:38,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:35:38,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686532860] [2024-09-23 11:35:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:35:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:35:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:35:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:35:38,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:35:38,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686532860] [2024-09-23 11:35:38,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686532860] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:35:38,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:35:38,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 11:35:38,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43986246] [2024-09-23 11:35:38,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:35:38,803 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:35:38,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:35:38,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:35:38,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:35:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:38,834 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:35:38,836 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:35:38,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:38,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:38,953 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 11:35:38,953 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 11:35:38,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:35:38,954 INFO L85 PathProgramCache]: Analyzing trace with hash 309750561, now seen corresponding path program 1 times [2024-09-23 11:35:38,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:35:38,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762307999] [2024-09-23 11:35:38,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:35:38,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:35:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:35:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:35:39,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:35:39,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762307999] [2024-09-23 11:35:39,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762307999] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:35:39,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:35:39,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 11:35:39,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572657918] [2024-09-23 11:35:39,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:35:39,039 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:35:39,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:35:39,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:35:39,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:35:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:39,042 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:35:39,042 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:35:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:39,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:39,104 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 11:35:39,105 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 11:35:39,105 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 11:35:39,112 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 11:35:39,116 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 11:35:39,116 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 11:35:39,118 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 11:35:39,118 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 11:35:39,119 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:35:39 BasicIcfg [2024-09-23 11:35:39,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 11:35:39,120 INFO L158 Benchmark]: Toolchain (without parser) took 2196.91ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 114.2MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:39,121 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:39,121 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:39,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.72ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 116.6MB in the end (delta: -26.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-23 11:35:39,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.34ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:35:39,122 INFO L158 Benchmark]: Boogie Preprocessor took 37.43ms. Allocated memory is still 159.4MB. Free memory was 114.5MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:39,123 INFO L158 Benchmark]: RCFGBuilder took 556.79ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 81.8MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-23 11:35:39,123 INFO L158 Benchmark]: TraceAbstraction took 941.75ms. Allocated memory is still 159.4MB. Free memory was 81.0MB in the beginning and 114.2MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:39,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.72ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 116.6MB in the end (delta: -26.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.34ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.43ms. Allocated memory is still 159.4MB. Free memory was 114.5MB in the beginning and 113.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.79ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 81.8MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 941.75ms. Allocated memory is still 159.4MB. Free memory was 81.0MB in the beginning and 114.2MB in the end (delta: -33.3MB). There was no memory consumed. 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: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40, Maximal queried relation: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 31, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 40, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40, Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 11:35:39,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 11:35:39,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE