./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/lazy01.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/lazy01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i ./goblint.2024-06-19_11-23-25.files/protection/lazy01.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 14:41:18,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 14:41:18,375 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 14:41:18,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 14:41:18,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 14:41:18,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 14:41:18,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 14:41:18,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 14:41:18,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 14:41:18,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 14:41:18,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 14:41:18,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 14:41:18,395 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 14:41:18,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 14:41:18,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 14:41:18,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 14:41:18,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 14:41:18,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 14:41:18,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 14:41:18,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 14:41:18,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 14:41:18,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 14:41:18,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 14:41:18,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 14:41:18,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 14:41:18,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 14:41:18,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 14:41:18,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 14:41:18,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 14:41:18,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 14:41:18,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:41:18,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 14:41:18,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 14:41:18,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 14:41:18,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 14:41:18,403 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 14:41:18,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 14:41:18,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 14:41:18,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 14:41:18,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 14:41:18,404 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 14:41:18,404 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 14:41:18,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 14:41:18,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 14:41:18,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 14:41:18,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 14:41:18,624 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 14:41:18,626 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 14:41:18,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/lazy01.yml/witness.yml [2024-07-22 14:41:18,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 14:41:18,721 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 14:41:18,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2024-07-22 14:41:19,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 14:41:19,876 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 14:41:19,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2024-07-22 14:41:19,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/438b45477/7f08163ca4c346ce8f943a63461f7a3a/FLAG3a186803f [2024-07-22 14:41:19,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/438b45477/7f08163ca4c346ce8f943a63461f7a3a [2024-07-22 14:41:19,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 14:41:19,914 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 14:41:19,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 14:41:19,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 14:41:19,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 14:41:19,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:18" (1/2) ... [2024-07-22 14:41:19,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c3011f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:19, skipping insertion in model container [2024-07-22 14:41:19,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:18" (1/2) ... [2024-07-22 14:41:19,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20311587 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:41:19, skipping insertion in model container [2024-07-22 14:41:19,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:41:19" (2/2) ... [2024-07-22 14:41:19,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c3011f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:19, skipping insertion in model container [2024-07-22 14:41:19,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:41:19" (2/2) ... [2024-07-22 14:41:19,925 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 14:41:19,949 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 14:41:19,950 INFO L97 edCorrectnessWitness]: Location invariant before [L733-L733] ! multithreaded || 0 <= data [2024-07-22 14:41:19,950 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] ! multithreaded || 0 <= data [2024-07-22 14:41:19,951 INFO L97 edCorrectnessWitness]: Location invariant before [L734-L734] ! multithreaded || 0 <= data [2024-07-22 14:41:19,951 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-07-22 14:41:19,951 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 14:41:19,951 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] mutex_locked = 1; [2024-07-22 14:41:19,951 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] mutex_locked = 0; [2024-07-22 14:41:19,951 INFO L106 edCorrectnessWitness]: ghost_update [L732-L732] multithreaded = 1; [2024-07-22 14:41:19,951 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex_locked = 0; [2024-07-22 14:41:19,952 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] mutex_locked = 1; [2024-07-22 14:41:19,952 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] mutex_locked = 0; [2024-07-22 14:41:19,952 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] mutex_locked = 1; [2024-07-22 14:41:19,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 14:41:20,263 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:41:20,273 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 [2024-07-22 14:41:20,352 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:41:20,385 INFO L206 MainTranslator]: Completed translation [2024-07-22 14:41:20,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20 WrapperNode [2024-07-22 14:41:20,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 14:41:20,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 14:41:20,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 14:41:20,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 14:41:20,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,428 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-07-22 14:41:20,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 14:41:20,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 14:41:20,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 14:41:20,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 14:41:20,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 14:41:20,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 14:41:20,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 14:41:20,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 14:41:20,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (1/1) ... [2024-07-22 14:41:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:41:20,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:41:20,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 14:41:20,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 14:41:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 14:41:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 14:41:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 14:41:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 14:41:20,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-22 14:41:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-22 14:41:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 14:41:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 14:41:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 14:41:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 14:41:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 14:41:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 14:41:20,589 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 14:41:20,717 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 14:41:20,718 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 14:41:20,901 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 14:41:20,901 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 14:41:21,005 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 14:41:21,005 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 14:41:21,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:41:21 BoogieIcfgContainer [2024-07-22 14:41:21,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 14:41:21,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 14:41:21,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 14:41:21,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 14:41:21,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:41:18" (1/4) ... [2024-07-22 14:41:21,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2472fbe2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:41:21, skipping insertion in model container [2024-07-22 14:41:21,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:41:19" (2/4) ... [2024-07-22 14:41:21,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2472fbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:41:21, skipping insertion in model container [2024-07-22 14:41:21,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:41:20" (3/4) ... [2024-07-22 14:41:21,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2472fbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:41:21, skipping insertion in model container [2024-07-22 14:41:21,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:41:21" (4/4) ... [2024-07-22 14:41:21,018 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-07-22 14:41:21,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 14:41:21,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 14:41:21,032 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 14:41:21,068 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-22 14:41:21,102 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:41:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 14:41:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:41:21,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 14:41:21,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 14:41:21,141 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 14:41:21,150 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 14:41:21,157 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;@36c6a523, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:41:21,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-07-22 14:41:21,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-22 14:41:21,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:41:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -880106061, now seen corresponding path program 1 times [2024-07-22 14:41:21,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:41:21,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494713046] [2024-07-22 14:41:21,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:41:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:41:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:41:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:41:21,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:41:21,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494713046] [2024-07-22 14:41:21,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494713046] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:41:21,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:41:21,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 14:41:21,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260126861] [2024-07-22 14:41:21,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:41:21,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 14:41:21,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:41:21,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 14:41:21,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 14:41:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:41:21,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:41:21,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 14:41:21,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:41:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:41:21,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-07-22 14:41:21,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-07-22 14:41:21,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-07-22 14:41:21,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-07-22 14:41:21,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-07-22 14:41:21,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-07-22 14:41:21,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 14:41:21,882 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-22 14:41:21,884 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 14:41:21,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 14:41:21,886 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-22 14:41:21,886 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-22 14:41:21,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:41:21 BasicIcfg [2024-07-22 14:41:21,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 14:41:21,889 INFO L158 Benchmark]: Toolchain (without parser) took 1973.06ms. Allocated memory is still 192.9MB. Free memory was 119.6MB in the beginning and 59.1MB in the end (delta: 60.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,891 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:41:21,891 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory was 166.1MB in the beginning and 165.7MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:41:21,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.96ms. Allocated memory is still 192.9MB. Free memory was 119.3MB in the beginning and 93.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 192.9MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,892 INFO L158 Benchmark]: Boogie Preprocessor took 46.51ms. Allocated memory is still 192.9MB. Free memory was 91.5MB in the beginning and 90.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,892 INFO L158 Benchmark]: RCFGBuilder took 531.76ms. Allocated memory is still 192.9MB. Free memory was 89.9MB in the beginning and 139.9MB in the end (delta: -50.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,894 INFO L158 Benchmark]: TraceAbstraction took 877.26ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 59.1MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-07-22 14:41:21,898 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory was 166.1MB in the beginning and 165.7MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.96ms. Allocated memory is still 192.9MB. Free memory was 119.3MB in the beginning and 93.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 192.9MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.51ms. Allocated memory is still 192.9MB. Free memory was 91.5MB in the beginning and 90.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.76ms. Allocated memory is still 192.9MB. Free memory was 89.9MB in the beginning and 139.9MB in the end (delta: -50.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 877.26ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 59.1MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2178, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 114, dependent conditional: 86, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 43, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 629, independent conditional: 2, independent unconditional: 627, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 600, independent conditional: 0, independent unconditional: 600, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 84, independent conditional: 4, independent unconditional: 81, dependent: 70, dependent conditional: 4, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2184, independent: 1435, independent conditional: 4, independent unconditional: 1431, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 659, unknown conditional: 4, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 629, Positive conditional cache size: 2, Positive unconditional cache size: 627, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 561, Number of trivial persistent sets: 561, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 652, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2178, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 114, dependent conditional: 86, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 43, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 629, independent conditional: 2, independent unconditional: 627, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 600, independent conditional: 0, independent unconditional: 600, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 84, independent conditional: 4, independent unconditional: 81, dependent: 70, dependent conditional: 4, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2184, independent: 1435, independent conditional: 4, independent unconditional: 1431, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 659, unknown conditional: 4, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 629, Positive conditional cache size: 2, Positive unconditional cache size: 627, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - PositiveResult [Line: 733]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 735]: 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 7 procedures, 58 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 14:41:21,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 14:41:22,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE