./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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_29-multiple-protecting2-vesal_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 22:36:02,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:36:02,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:36:02,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:36:02,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:36:02,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:36:02,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:36:02,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:36:02,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:36:02,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:36:02,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:36:02,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:36:02,665 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:36:02,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:36:02,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:36:02,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:36:02,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:36:02,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:36:02,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:36:02,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:36:02,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:36:02,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:36:02,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:36:02,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:36:02,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:36:02,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:36:02,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:36:02,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:36:02,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:36:02,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:36:02,672 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:36:02,673 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:36:02,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:36:02,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:36:02,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:36:02,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:36:02,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:36:02,914 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:36:02,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-07-22 22:36:03,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:36:04,196 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:36:04,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-07-22 22:36:04,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5be999dd6/e220305647954a918846d7a6428b8495/FLAG036aa5643 [2024-07-22 22:36:04,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5be999dd6/e220305647954a918846d7a6428b8495 [2024-07-22 22:36:04,221 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:36:04,221 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:36:04,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml [2024-07-22 22:36:04,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:36:04,330 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:36:04,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:36:04,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:36:04,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:36:04,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:04" (1/2) ... [2024-07-22 22:36:04,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570bee60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:04, skipping insertion in model container [2024-07-22 22:36:04,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:04" (1/2) ... [2024-07-22 22:36:04,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fc2a37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:04, skipping insertion in model container [2024-07-22 22:36:04,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:04" (2/2) ... [2024-07-22 22:36:04,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570bee60 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04, skipping insertion in model container [2024-07-22 22:36:04,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:04" (2/2) ... [2024-07-22 22:36:04,359 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:36:04,408 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:36:04,409 INFO L97 edCorrectnessWitness]: Location invariant before [L699-L699] ((! multithreaded || (__global_lock_locked || (g2 == 0 || g2 == 1))) && (! multithreaded || (g2 == 0 || g2 == 1))) && (! multithreaded || (mutex2_locked || g2 == 0)) [2024-07-22 22:36:04,409 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:36:04,410 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-07-22 22:36:04,410 INFO L103 edCorrectnessWitness]: ghost_variable __global_lock_locked = 0 [2024-07-22 22:36:04,410 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-07-22 22:36:04,410 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] __global_lock_locked = 1; [2024-07-22 22:36:04,411 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] multithreaded = 1; [2024-07-22 22:36:04,411 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-07-22 22:36:04,411 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex2_locked = 0; [2024-07-22 22:36:04,411 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-07-22 22:36:04,411 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] mutex2_locked = 1; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] mutex1_locked = 0; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex2_locked = 0; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] __global_lock_locked = 1; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] mutex1_locked = 1; [2024-07-22 22:36:04,412 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-07-22 22:36:04,413 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] __global_lock_locked = 0; [2024-07-22 22:36:04,413 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-07-22 22:36:04,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:36:04,636 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:36:04,652 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 22:36:04,743 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:36:04,780 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:36:04,781 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04 WrapperNode [2024-07-22 22:36:04,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:36:04,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:36:04,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:36:04,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:36:04,787 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 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,812 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 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,836 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 103 [2024-07-22 22:36:04,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:36:04,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:36:04,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:36:04,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:36:04,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:36:04,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:36:04,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:36:04,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:36:04,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (1/1) ... [2024-07-22 22:36:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:36:04,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:04,911 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) [2024-07-22 22:36:04,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 22:36:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-07-22 22:36:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-07-22 22:36:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 22:36:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:36:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:36:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 22:36:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:36:04,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:36:04,942 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 22:36:05,031 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:36:05,033 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:36:05,188 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:36:05,188 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 22:36:05,325 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 22:36:05,325 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 22:36:05,325 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:05 BoogieIcfgContainer [2024-07-22 22:36:05,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 22:36:05,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 22:36:05,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 22:36:05,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 22:36:05,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:36:04" (1/4) ... [2024-07-22 22:36:05,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c2a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:36:05, skipping insertion in model container [2024-07-22 22:36:05,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:36:04" (2/4) ... [2024-07-22 22:36:05,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c2a819 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:36:05, skipping insertion in model container [2024-07-22 22:36:05,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:36:04" (3/4) ... [2024-07-22 22:36:05,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c2a819 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:36:05, skipping insertion in model container [2024-07-22 22:36:05,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:05" (4/4) ... [2024-07-22 22:36:05,333 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-07-22 22:36:05,347 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 22:36:05,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-22 22:36:05,348 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 22:36:05,385 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-07-22 22:36:05,426 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:36:05,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 22:36:05,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:36:05,440 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) [2024-07-22 22:36:05,482 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 [2024-07-22 22:36:05,527 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 22:36:05,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 22:36:05,543 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;@cc8800d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:36:05,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-22 22:36:05,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 22:36:05,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:05,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1673188613, now seen corresponding path program 1 times [2024-07-22 22:36:05,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:05,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010751250] [2024-07-22 22:36:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:05,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010751250] [2024-07-22 22:36:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010751250] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:06,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:36:06,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 22:36:06,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331686912] [2024-07-22 22:36:06,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:06,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 22:36:06,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:06,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 22:36:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 22:36:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:06,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:06,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) 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) [2024-07-22 22:36:06,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:36:06,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 22:36:06,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 22:36:06,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:36:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1022261436, now seen corresponding path program 1 times [2024-07-22 22:36:06,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:36:06,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254856680] [2024-07-22 22:36:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:36:06,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:36:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:36:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:36:06,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:36:06,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254856680] [2024-07-22 22:36:06,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254856680] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:36:06,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:36:06,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 22:36:06,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707873320] [2024-07-22 22:36:06,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:36:06,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 22:36:06,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:36:06,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 22:36:06,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-07-22 22:36:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:06,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:36:06,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2024-07-22 22:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:36:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 22:36:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 22:36:06,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-07-22 22:36:06,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-22 22:36:06,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 22:36:06,345 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-22 22:36:06,347 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 22:36:06,347 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 22:36:06,349 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-22 22:36:06,349 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-22 22:36:06,349 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:36:06 BasicIcfg [2024-07-22 22:36:06,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 22:36:06,350 INFO L158 Benchmark]: Toolchain (without parser) took 2019.69ms. Allocated memory was 192.9MB in the beginning and 257.9MB in the end (delta: 65.0MB). Free memory was 161.6MB in the beginning and 146.6MB in the end (delta: 15.1MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,350 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:06,350 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:36:06,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.13ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 134.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.31ms. Allocated memory is still 192.9MB. Free memory was 134.4MB in the beginning and 131.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,351 INFO L158 Benchmark]: Boogie Preprocessor took 40.72ms. Allocated memory is still 192.9MB. Free memory was 131.5MB in the beginning and 130.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,352 INFO L158 Benchmark]: RCFGBuilder took 447.28ms. Allocated memory is still 192.9MB. Free memory was 130.2MB in the beginning and 91.6MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,352 INFO L158 Benchmark]: TraceAbstraction took 1021.73ms. Allocated memory was 192.9MB in the beginning and 257.9MB in the end (delta: 65.0MB). Free memory was 90.3MB in the beginning and 146.6MB in the end (delta: -56.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-07-22 22:36:06,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.13ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 134.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.31ms. Allocated memory is still 192.9MB. Free memory was 134.4MB in the beginning and 131.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.72ms. Allocated memory is still 192.9MB. Free memory was 131.5MB in the beginning and 130.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.28ms. Allocated memory is still 192.9MB. Free memory was 130.2MB in the beginning and 91.6MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1021.73ms. Allocated memory was 192.9MB in the beginning and 257.9MB in the end (delta: 65.0MB). Free memory was 90.3MB in the beginning and 146.6MB in the end (delta: -56.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 173, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 173, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 64, dependent conditional: 4, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 173, unknown conditional: 1, unknown unconditional: 172] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 31, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 172, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 212, independent: 199, independent conditional: 39, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 199, independent conditional: 0, independent unconditional: 199, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 173, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 173, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 64, dependent conditional: 4, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 173, unknown conditional: 1, unknown unconditional: 172] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 699]: 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, 54 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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: 11, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 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! [2024-07-22 22:36:06,375 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 [2024-07-22 22:36:06,586 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