./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 11:35:51,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:35:51,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:35:51,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:35:51,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:35:51,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:35:51,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:35:51,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:35:51,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:35:51,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:35:51,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:35:51,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:35:51,314 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:35:51,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:35:51,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:35:51,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:35:51,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:35:51,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:35:51,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:35:51,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:35:51,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:35:51,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:35:51,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:35:51,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:35:51,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:35:51,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:35:51,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:35:51,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:35:51,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:35:51,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:35:51,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:35:51,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:35:51,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:35:51,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:35:51,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:35:51,325 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:35:51,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:35:51,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:35:51,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:35:51,327 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:35:51,327 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:35:51,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:35:51,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:35:51,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:35:51,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:35:51,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:35:51,619 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:35:51,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-09-23 11:35:53,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:35:53,341 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:35:53,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-09-23 11:35:53,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e41e31a4/38521926922b4a30abba272defbf20ca/FLAGe8d5363ca [2024-09-23 11:35:53,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e41e31a4/38521926922b4a30abba272defbf20ca [2024-09-23 11:35:53,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:35:53,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:35:53,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml [2024-09-23 11:35:53,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:35:53,744 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:35:53,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:35:53,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:35:53,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:35:53,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:35:53" (1/2) ... [2024-09-23 11:35:53,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527873e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:35:53, skipping insertion in model container [2024-09-23 11:35:53,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:35:53" (1/2) ... [2024-09-23 11:35:53,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ffdd96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:35:53, skipping insertion in model container [2024-09-23 11:35:53,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:53" (2/2) ... [2024-09-23 11:35:53,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527873e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:53, skipping insertion in model container [2024-09-23 11:35:53,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:53" (2/2) ... [2024-09-23 11:35:53,800 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:35:53,801 INFO L1541 ArrayList]: Location invariant before [L701-L701] ! multithreaded || (g == 0 || g == 5) [2024-09-23 11:35:53,802 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:35:53,802 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-23 11:35:53,802 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-23 11:35:53,802 INFO L1541 ArrayList]: ghost_variable C_locked = 0 [2024-09-23 11:35:53,806 INFO L1541 ArrayList]: ghost_update [L710-L710] A_locked = 0; [2024-09-23 11:35:53,806 INFO L1541 ArrayList]: ghost_update [L695-L695] A_locked = 0; [2024-09-23 11:35:53,806 INFO L1541 ArrayList]: ghost_update [L705-L705] B_locked = 0; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L702-L702] C_locked = 1; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L704-L704] C_locked = 0; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L701-L701] B_locked = 1; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L687-L687] C_locked = 1; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L688-L688] B_locked = 1; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L709-L709] B_locked = 0; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L694-L694] C_locked = 0; [2024-09-23 11:35:53,807 INFO L1541 ArrayList]: ghost_update [L707-L707] B_locked = 1; [2024-09-23 11:35:53,808 INFO L1541 ArrayList]: ghost_update [L691-L691] B_locked = 1; [2024-09-23 11:35:53,808 INFO L1541 ArrayList]: ghost_update [L690-L690] B_locked = 0; [2024-09-23 11:35:53,808 INFO L1541 ArrayList]: ghost_update [L706-L706] A_locked = 1; [2024-09-23 11:35:53,808 INFO L1541 ArrayList]: ghost_update [L693-L693] B_locked = 0; [2024-09-23 11:35:53,808 INFO L1541 ArrayList]: ghost_update [L700-L700] multithreaded = 1; [2024-09-23 11:35:53,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:35:54,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:35:54,223 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 11:35:54,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:35:54,377 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:35:54,379 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54 WrapperNode [2024-09-23 11:35:54,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:35:54,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:35:54,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:35:54,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:35:54,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,429 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 96 [2024-09-23 11:35:54,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:35:54,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:35:54,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:35:54,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:35:54,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:35:54,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:35:54,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:35:54,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:35:54,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (1/1) ... [2024-09-23 11:35:54,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:35:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:35:54,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 11:35:54,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 11:35:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 11:35:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 11:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:35:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:35:54,580 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 11:35:54,692 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:35:54,694 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:35:54,932 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:35:54,933 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 11:35:55,098 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 11:35:55,098 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 11:35:55,102 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:35:55 BoogieIcfgContainer [2024-09-23 11:35:55,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 11:35:55,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 11:35:55,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 11:35:55,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 11:35:55,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:35:53" (1/4) ... [2024-09-23 11:35:55,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a70d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:35:55, skipping insertion in model container [2024-09-23 11:35:55,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:35:53" (2/4) ... [2024-09-23 11:35:55,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a70d0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:35:55, skipping insertion in model container [2024-09-23 11:35:55,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:35:54" (3/4) ... [2024-09-23 11:35:55,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a70d0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:35:55, skipping insertion in model container [2024-09-23 11:35:55,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:35:55" (4/4) ... [2024-09-23 11:35:55,114 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-09-23 11:35:55,131 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 11:35:55,131 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 11:35:55,132 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 11:35:55,164 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 11:35:55,207 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:35:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 11:35:55,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:35:55,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 11:35:55,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 11:35:55,258 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 11:35:55,271 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 11:35:55,284 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fd8693, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:35:55,284 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 11:35:55,444 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 11:35:55,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:35:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1768106384, now seen corresponding path program 1 times [2024-09-23 11:35:55,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:35:55,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540855377] [2024-09-23 11:35:55,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:35:55,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:35:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:35:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:35:55,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:35:55,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540855377] [2024-09-23 11:35:55,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540855377] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:35:55,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:35:55,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 11:35:55,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396846037] [2024-09-23 11:35:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:35:55,827 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:35:55,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:35:55,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:35:55,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:35:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:55,851 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:35:55,852 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:35:55,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:55,917 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 11:35:55,917 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 11:35:55,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:35:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash 394162016, now seen corresponding path program 1 times [2024-09-23 11:35:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:35:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226962100] [2024-09-23 11:35:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:35:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:35:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:35:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:35:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:35:55,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226962100] [2024-09-23 11:35:55,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226962100] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:35:55,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:35:55,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 11:35:55,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587934878] [2024-09-23 11:35:55,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:35:55,992 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:35:55,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:35:55,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:35:55,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:35:55,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:55,994 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:35:55,994 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:35:55,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:55,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:35:56,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:56,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:35:56,065 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 11:35:56,066 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 11:35:56,066 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 11:35:56,078 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 11:35:56,083 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 11:35:56,084 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 11:35:56,088 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 11:35:56,088 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 11:35:56,089 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:35:56 BasicIcfg [2024-09-23 11:35:56,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 11:35:56,090 INFO L158 Benchmark]: Toolchain (without parser) took 2346.78ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 89.2MB in the beginning and 125.1MB in the end (delta: -35.9MB). Peak memory consumption was 790.0kB. Max. memory is 16.1GB. [2024-09-23 11:35:56,091 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 148.9MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:56,091 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:56,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.64ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 62.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 11:35:56,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 148.9MB. Free memory was 62.6MB in the beginning and 60.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:35:56,094 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 148.9MB. Free memory was 60.2MB in the beginning and 59.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:35:56,095 INFO L158 Benchmark]: RCFGBuilder took 642.43ms. Allocated memory is still 148.9MB. Free memory was 59.0MB in the beginning and 81.7MB in the end (delta: -22.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-23 11:35:56,095 INFO L158 Benchmark]: TraceAbstraction took 985.97ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 80.9MB in the beginning and 125.1MB in the end (delta: -44.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:35:56,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 148.9MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.64ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 62.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 148.9MB. Free memory was 62.6MB in the beginning and 60.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.50ms. Allocated memory is still 148.9MB. Free memory was 60.2MB in the beginning and 59.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.43ms. Allocated memory is still 148.9MB. Free memory was 59.0MB in the beginning and 81.7MB in the end (delta: -22.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 985.97ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 80.9MB in the beginning and 125.1MB in the end (delta: -44.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 299, independent: 285, independent conditional: 51, independent unconditional: 234, dependent: 14, dependent conditional: 2, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 299, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 299, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, independent: 224, independent conditional: 0, independent unconditional: 224, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 299, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 53, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 39, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 246, independent: 234, independent conditional: 0, independent unconditional: 234, 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: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 298, independent: 285, independent conditional: 51, independent unconditional: 234, 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: 299, independent: 285, independent conditional: 51, independent unconditional: 234, dependent: 14, dependent conditional: 2, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 299, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 299, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, independent: 224, independent conditional: 0, independent unconditional: 224, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 299, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 53, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 701]: 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, 62 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 11:35:56,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 11:35:56,335 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