./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.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/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.dk.goblint-eval-da67795-m [2024-08-26 16:31:14,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 16:31:14,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 16:31:14,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 16:31:14,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 16:31:14,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 16:31:14,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 16:31:14,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 16:31:14,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 16:31:14,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 16:31:14,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 16:31:14,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 16:31:14,937 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 16:31:14,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 16:31:14,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 16:31:14,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 16:31:14,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 16:31:14,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 16:31:14,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 16:31:14,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 16:31:14,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 16:31:14,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 16:31:14,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 16:31:14,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 16:31:14,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 16:31:14,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 16:31:14,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 16:31:14,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 16:31:14,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 16:31:14,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 16:31:14,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:31:14,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 16:31:14,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 16:31:14,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 16:31:14,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 16:31:14,943 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 16:31:14,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 16:31:14,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 16:31:14,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 16:31:14,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 16:31:14,944 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 16:31:14,946 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 16:31:14,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 16:31:15,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 16:31:15,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 16:31:15,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 16:31:15,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 16:31:15,201 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 16:31:15,202 INFO L431 ainManager$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 [2024-08-26 16:31:16,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 16:31:16,823 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 16:31:16,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-08-26 16:31:16,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d90e9bff3/13aaa7ee7e32480884b46020a6d7a1d5/FLAG6a6fc901d [2024-08-26 16:31:17,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d90e9bff3/13aaa7ee7e32480884b46020a6d7a1d5 [2024-08-26 16:31:17,143 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 16:31:17,144 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 16:31:17,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml [2024-08-26 16:31:17,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 16:31:17,230 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 16:31:17,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 16:31:17,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 16:31:17,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 16:31:17,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:31:17" (1/2) ... [2024-08-26 16:31:17,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b926dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:31:17, skipping insertion in model container [2024-08-26 16:31:17,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:31:17" (1/2) ... [2024-08-26 16:31:17,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a0be75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:31:17, skipping insertion in model container [2024-08-26 16:31:17,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:17" (2/2) ... [2024-08-26 16:31:17,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b926dcd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17, skipping insertion in model container [2024-08-26 16:31:17,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:17" (2/2) ... [2024-08-26 16:31:17,242 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 16:31:17,279 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 16:31:17,280 INFO L1541 ArrayList]: Location invariant before [L699-L699] ((! multithreaded || (g2 == 0 || g2 == 1)) && (! multithreaded || (__global_lock_locked || (g2 == 0 || g2 == 1)))) && (! multithreaded || (mutex2_locked || g2 == 0)) [2024-08-26 16:31:17,280 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-08-26 16:31:17,280 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 16:31:17,281 INFO L1541 ArrayList]: ghost_variable __global_lock_locked = 0 [2024-08-26 16:31:17,281 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-08-26 16:31:17,281 INFO L1541 ArrayList]: ghost_update [L698-L698] multithreaded = 1; [2024-08-26 16:31:17,281 INFO L1541 ArrayList]: ghost_update [L704-L704] mutex2_locked = 1; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L700-L700] __global_lock_locked = 1; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex2_locked = 1; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L707-L707] __global_lock_locked = 0; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L708-L708] mutex2_locked = 0; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L705-L705] __global_lock_locked = 1; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-08-26 16:31:17,282 INFO L1541 ArrayList]: ghost_update [L693-L693] mutex2_locked = 0; [2024-08-26 16:31:17,283 INFO L1541 ArrayList]: ghost_update [L709-L709] mutex1_locked = 0; [2024-08-26 16:31:17,283 INFO L1541 ArrayList]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-08-26 16:31:17,283 INFO L1541 ArrayList]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-08-26 16:31:17,283 INFO L1541 ArrayList]: ghost_update [L699-L699] mutex1_locked = 1; [2024-08-26 16:31:17,283 INFO L1541 ArrayList]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-08-26 16:31:17,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 16:31:17,603 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:31:17,619 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 [2024-08-26 16:31:17,703 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:31:17,754 INFO L206 MainTranslator]: Completed translation [2024-08-26 16:31:17,755 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17 WrapperNode [2024-08-26 16:31:17,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 16:31:17,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 16:31:17,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 16:31:17,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 16:31:17,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,812 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 104 [2024-08-26 16:31:17,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 16:31:17,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 16:31:17,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 16:31:17,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 16:31:17,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 16:31:17,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 16:31:17,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 16:31:17,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 16:31:17,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (1/1) ... [2024-08-26 16:31:17,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:31:17,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:31:17,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-26 16:31:17,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-26 16:31:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-08-26 16:31:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-08-26 16:31:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 16:31:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 16:31:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 16:31:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 16:31:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 16:31:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 16:31:17,967 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 16:31:18,104 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 16:31:18,106 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 16:31:18,393 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 16:31:18,393 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 16:31:18,591 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 16:31:18,591 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 16:31:18,592 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:31:18 BoogieIcfgContainer [2024-08-26 16:31:18,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 16:31:18,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 16:31:18,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 16:31:18,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 16:31:18,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:31:17" (1/4) ... [2024-08-26 16:31:18,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c06b630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 04:31:18, skipping insertion in model container [2024-08-26 16:31:18,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:31:17" (2/4) ... [2024-08-26 16:31:18,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c06b630 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:31:18, skipping insertion in model container [2024-08-26 16:31:18,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:31:17" (3/4) ... [2024-08-26 16:31:18,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c06b630 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:31:18, skipping insertion in model container [2024-08-26 16:31:18,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:31:18" (4/4) ... [2024-08-26 16:31:18,599 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-08-26 16:31:18,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 16:31:18,615 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-26 16:31:18,615 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 16:31:18,643 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-08-26 16:31:18,731 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:31:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 16:31:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:31:18,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 16:31:18,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-26 16:31:18,761 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 16:31:18,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 16:31:18,778 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;@309e1425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:31:18,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-26 16:31:18,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 16:31:18,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:31:18,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1297323590, now seen corresponding path program 1 times [2024-08-26 16:31:18,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:31:18,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344519777] [2024-08-26 16:31:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:31:18,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:31:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:31:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 16:31:19,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:31:19,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344519777] [2024-08-26 16:31:19,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344519777] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:31:19,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:31:19,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 16:31:19,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001909539] [2024-08-26 16:31:19,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:31:19,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 16:31:19,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:31:19,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 16:31:19,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-26 16:31:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:19,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:31:19,337 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) [2024-08-26 16:31:19,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 16:31:19,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 16:31:19,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 16:31:19,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:31:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1694605310, now seen corresponding path program 1 times [2024-08-26 16:31:19,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:31:19,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568916025] [2024-08-26 16:31:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:31:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:31:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:31:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 16:31:19,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:31:19,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568916025] [2024-08-26 16:31:19,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568916025] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:31:19,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:31:19,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-26 16:31:19,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281488663] [2024-08-26 16:31:19,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:31:19,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-26 16:31:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:31:19,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-26 16:31:19,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-26 16:31:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:19,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:31:19,501 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) [2024-08-26 16:31:19,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 16:31:19,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:31:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 16:31:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 16:31:19,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-26 16:31:19,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-26 16:31:19,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 16:31:19,596 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-26 16:31:19,600 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 16:31:19,601 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 16:31:19,603 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-26 16:31:19,603 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-26 16:31:19,604 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 04:31:19 BasicIcfg [2024-08-26 16:31:19,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 16:31:19,605 INFO L158 Benchmark]: Toolchain (without parser) took 2375.09ms. Allocated memory is still 241.2MB. Free memory was 209.7MB in the beginning and 141.6MB in the end (delta: 68.1MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-08-26 16:31:19,605 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:19,605 INFO L158 Benchmark]: Witness Parser took 0.37ms. Allocated memory is still 241.2MB. Free memory is still 212.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:19,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.47ms. Allocated memory is still 241.2MB. Free memory was 209.7MB in the beginning and 183.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-26 16:31:19,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.93ms. Allocated memory is still 241.2MB. Free memory was 183.2MB in the beginning and 181.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 16:31:19,607 INFO L158 Benchmark]: Boogie Preprocessor took 57.95ms. Allocated memory is still 241.2MB. Free memory was 181.3MB in the beginning and 179.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 16:31:19,607 INFO L158 Benchmark]: RCFGBuilder took 714.29ms. Allocated memory is still 241.2MB. Free memory was 179.2MB in the beginning and 140.3MB in the end (delta: 38.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-08-26 16:31:19,608 INFO L158 Benchmark]: TraceAbstraction took 1010.83ms. Allocated memory is still 241.2MB. Free memory was 139.4MB in the beginning and 141.6MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:31:19,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.37ms. Allocated memory is still 241.2MB. Free memory is still 212.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.47ms. Allocated memory is still 241.2MB. Free memory was 209.7MB in the beginning and 183.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.93ms. Allocated memory is still 241.2MB. Free memory was 183.2MB in the beginning and 181.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.95ms. Allocated memory is still 241.2MB. Free memory was 181.3MB in the beginning and 179.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.29ms. Allocated memory is still 241.2MB. Free memory was 179.2MB in the beginning and 140.3MB in the end (delta: 38.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1010.83ms. Allocated memory is still 241.2MB. Free memory was 139.4MB in the beginning and 141.6MB in the end (delta: -2.2MB). There was no memory consumed. 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: 96, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 48, dependent conditional: 3, dependent unconditional: 45, 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: 0.1s, 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: 96, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 48, dependent conditional: 3, dependent unconditional: 45, 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: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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! [2024-08-26 16:31:19,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 16:31:19,832 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