./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-2.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/stateful01-2.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/stateful01-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 18:08:14,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 18:08:14,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 18:08:14,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 18:08:14,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 18:08:14,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 18:08:14,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 18:08:14,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 18:08:14,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 18:08:14,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 18:08:14,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 18:08:14,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 18:08:14,883 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 18:08:14,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 18:08:14,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 18:08:14,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 18:08:14,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 18:08:14,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 18:08:14,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 18:08:14,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 18:08:14,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 18:08:14,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 18:08:14,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 18:08:14,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 18:08:14,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 18:08:14,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 18:08:14,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 18:08:14,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 18:08:14,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 18:08:14,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 18:08:14,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:14,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 18:08:14,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 18:08:14,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 18:08:14,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 18:08:14,893 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 18:08:14,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 18:08:14,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 18:08:14,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 18:08:14,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 18:08:14,894 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 18:08:14,894 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 18:08:14,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 18:08:15,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 18:08:15,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 18:08:15,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 18:08:15,166 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 18:08:15,167 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 18:08:15,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/stateful01-2.yml/witness.yml [2024-08-13 18:08:15,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 18:08:15,363 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 18:08:15,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2024-08-13 18:08:16,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 18:08:17,133 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 18:08:17,134 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2024-08-13 18:08:17,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a3b90a64b/74585e9f63f04872b14b5a78f1a9c062/FLAG48e9a154b [2024-08-13 18:08:17,170 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a3b90a64b/74585e9f63f04872b14b5a78f1a9c062 [2024-08-13 18:08:17,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 18:08:17,172 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 18:08:17,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:17,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 18:08:17,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 18:08:17,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:15" (1/2) ... [2024-08-13 18:08:17,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8516c3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:17, skipping insertion in model container [2024-08-13 18:08:17,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:15" (1/2) ... [2024-08-13 18:08:17,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24ca246e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:17, skipping insertion in model container [2024-08-13 18:08:17,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:17" (2/2) ... [2024-08-13 18:08:17,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8516c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17, skipping insertion in model container [2024-08-13 18:08:17,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:17" (2/2) ... [2024-08-13 18:08:17,187 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 18:08:17,226 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 18:08:17,227 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] (! multithreaded || 10 <= data1) && (! multithreaded || (ma_locked || 5 <= data1)) [2024-08-13 18:08:17,227 INFO L97 edCorrectnessWitness]: Location invariant before [L723-L723] (! multithreaded || 10 <= data1) && (! multithreaded || (ma_locked || 5 <= data1)) [2024-08-13 18:08:17,228 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 18:08:17,228 INFO L103 edCorrectnessWitness]: ghost_variable ma_locked = 0 [2024-08-13 18:08:17,228 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] ma_locked = 0; [2024-08-13 18:08:17,228 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] ma_locked = 0; [2024-08-13 18:08:17,228 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] ma_locked = 0; [2024-08-13 18:08:17,229 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] ma_locked = 1; [2024-08-13 18:08:17,229 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] multithreaded = 1; [2024-08-13 18:08:17,229 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] ma_locked = 1; [2024-08-13 18:08:17,229 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] ma_locked = 1; [2024-08-13 18:08:17,230 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] ma_locked = 1; [2024-08-13 18:08:17,230 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] ma_locked = 0; [2024-08-13 18:08:17,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 18:08:17,570 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:17,589 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 18:08:17,774 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:17,811 INFO L206 MainTranslator]: Completed translation [2024-08-13 18:08:17,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17 WrapperNode [2024-08-13 18:08:17,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:17,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:17,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 18:08:17,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 18:08:17,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,861 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-08-13 18:08:17,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:17,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 18:08:17,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 18:08:17,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 18:08:17,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 18:08:17,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 18:08:17,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 18:08:17,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 18:08:17,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (1/1) ... [2024-08-13 18:08:17,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:17,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:17,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 18:08:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 18:08:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 18:08:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 18:08:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 18:08:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-13 18:08:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 18:08:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 18:08:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-13 18:08:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 18:08:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 18:08:18,000 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 18:08:18,155 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 18:08:18,157 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 18:08:18,436 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 18:08:18,436 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 18:08:18,589 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 18:08:18,589 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-13 18:08:18,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:18 BoogieIcfgContainer [2024-08-13 18:08:18,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 18:08:18,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 18:08:18,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 18:08:18,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 18:08:18,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:15" (1/4) ... [2024-08-13 18:08:18,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429ec7e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 06:08:18, skipping insertion in model container [2024-08-13 18:08:18,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 06:08:17" (2/4) ... [2024-08-13 18:08:18,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429ec7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:18, skipping insertion in model container [2024-08-13 18:08:18,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:17" (3/4) ... [2024-08-13 18:08:18,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429ec7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:18, skipping insertion in model container [2024-08-13 18:08:18,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:18" (4/4) ... [2024-08-13 18:08:18,599 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2024-08-13 18:08:18,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 18:08:18,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-13 18:08:18,624 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 18:08:18,702 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-13 18:08:18,758 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 18:08:18,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:18,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:18,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-13 18:08:18,804 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 18:08:18,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 18:08:18,826 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c3f98a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:18,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-13 18:08:18,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-13 18:08:19,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:19,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2076676782, now seen corresponding path program 1 times [2024-08-13 18:08:19,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:19,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186541955] [2024-08-13 18:08:19,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:19,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:19,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:19,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186541955] [2024-08-13 18:08:19,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186541955] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:19,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:19,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 18:08:19,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807518735] [2024-08-13 18:08:19,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:19,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 18:08:19,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:19,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 18:08:19,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-13 18:08:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:19,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:19,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 18:08:19,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 18:08:20,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-13 18:08:20,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-13 18:08:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-13 18:08:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-13 18:08:20,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 18:08:20,139 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-13 18:08:20,143 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-13 18:08:20,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-13 18:08:20,147 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-13 18:08:20,147 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-13 18:08:20,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 06:08:20 BasicIcfg [2024-08-13 18:08:20,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-13 18:08:20,149 INFO L158 Benchmark]: Toolchain (without parser) took 2977.13ms. Allocated memory is still 192.9MB. Free memory was 118.6MB in the beginning and 108.5MB in the end (delta: 10.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,150 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:20,151 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 192.9MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:20,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.65ms. Allocated memory is still 192.9MB. Free memory was 118.3MB in the beginning and 155.8MB in the end (delta: -37.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.48ms. Allocated memory is still 192.9MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,154 INFO L158 Benchmark]: Boogie Preprocessor took 24.16ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,155 INFO L158 Benchmark]: RCFGBuilder took 702.50ms. Allocated memory is still 192.9MB. Free memory was 152.2MB in the beginning and 122.3MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,155 INFO L158 Benchmark]: TraceAbstraction took 1556.82ms. Allocated memory is still 192.9MB. Free memory was 121.5MB in the beginning and 108.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-08-13 18:08:20,157 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.89ms. Allocated memory is still 192.9MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.65ms. Allocated memory is still 192.9MB. Free memory was 118.3MB in the beginning and 155.8MB in the end (delta: -37.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.48ms. Allocated memory is still 192.9MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.16ms. Allocated memory is still 192.9MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.50ms. Allocated memory is still 192.9MB. Free memory was 152.2MB in the beginning and 122.3MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1556.82ms. Allocated memory is still 192.9MB. Free memory was 121.5MB in the beginning and 108.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 851, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 43, dependent conditional: 19, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 840, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 840, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848, independent: 808, independent conditional: 0, independent unconditional: 808, dependent: 40, dependent conditional: 8, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 848, independent: 808, independent conditional: 0, independent unconditional: 808, 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: 848, independent: 808, independent conditional: 0, independent unconditional: 808, 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: 484, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 484, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 300, independent conditional: 0, independent unconditional: 300, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 848, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 484, unknown conditional: 0, unknown unconditional: 484] , Statistics on independence cache: Total cache size (in pairs): 484, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 1, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 233, Number of trivial persistent sets: 233, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 483, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 851, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 43, dependent conditional: 19, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 840, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 840, independent: 808, independent conditional: 349, independent unconditional: 459, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848, independent: 808, independent conditional: 0, independent unconditional: 808, dependent: 40, dependent conditional: 8, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 848, independent: 808, independent conditional: 0, independent unconditional: 808, 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: 848, independent: 808, independent conditional: 0, independent unconditional: 808, 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: 484, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 484, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 300, independent conditional: 0, independent unconditional: 300, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 848, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 484, unknown conditional: 0, unknown unconditional: 484] , Statistics on independence cache: Total cache size (in pairs): 484, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 1, Independence queries for same thread: 11 - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 723]: 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, 56 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 4, 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, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-13 18:08:20,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-13 18:08:20,402 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