./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.2024-08-08_07-59-58.files/mutex-meet-ghost/lazy01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/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-c091e2e-m [2024-08-13 18:08:03,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 18:08:03,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 18:08:03,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 18:08:03,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 18:08:03,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 18:08:03,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 18:08:03,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 18:08:03,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 18:08:03,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 18:08:03,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 18:08:03,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 18:08:03,593 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 18:08:03,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 18:08:03,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 18:08:03,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 18:08:03,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 18:08:03,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 18:08:03,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 18:08:03,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 18:08:03,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 18:08:03,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 18:08:03,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 18:08:03,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 18:08:03,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 18:08:03,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 18:08:03,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 18:08:03,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 18:08:03,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 18:08:03,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 18:08:03,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:03,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 18:08:03,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 18:08:03,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 18:08:03,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 18:08:03,603 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 18:08:03,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 18:08:03,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 18:08:03,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 18:08:03,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 18:08:03,604 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 18:08:03,605 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 18:08:03,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 18:08:03,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 18:08:03,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 18:08:03,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 18:08:03,916 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 18:08:03,917 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 18:08:03,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/lazy01.yml/witness.yml [2024-08-13 18:08:04,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 18:08:04,081 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 18:08:04,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2024-08-13 18:08:05,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 18:08:05,758 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 18:08:05,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2024-08-13 18:08:05,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc2ce36be/ac3f763ecfe04111930f6ea0157c080e/FLAGfa98c8429 [2024-08-13 18:08:05,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc2ce36be/ac3f763ecfe04111930f6ea0157c080e [2024-08-13 18:08:05,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 18:08:05,797 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 18:08:05,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:05,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 18:08:05,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 18:08:05,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:04" (1/2) ... [2024-08-13 18:08:05,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635f7e82 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:05, skipping insertion in model container [2024-08-13 18:08:05,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:04" (1/2) ... [2024-08-13 18:08:05,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c3b2dee and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:05, skipping insertion in model container [2024-08-13 18:08:05,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:05" (2/2) ... [2024-08-13 18:08:05,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635f7e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:05, skipping insertion in model container [2024-08-13 18:08:05,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:05" (2/2) ... [2024-08-13 18:08:05,813 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 18:08:05,852 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 18:08:05,854 INFO L97 edCorrectnessWitness]: Location invariant before [L734-L734] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-08-13 18:08:05,854 INFO L97 edCorrectnessWitness]: Location invariant before [L733-L733] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-08-13 18:08:05,854 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-08-13 18:08:05,854 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 18:08:05,854 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] mutex_locked = 0; [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] mutex_locked = 1; [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L732-L732] multithreaded = 1; [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] mutex_locked = 1; [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex_locked = 0; [2024-08-13 18:08:05,855 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] mutex_locked = 1; [2024-08-13 18:08:05,856 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] mutex_locked = 0; [2024-08-13 18:08:05,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 18:08:06,247 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:06,261 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 [2024-08-13 18:08:06,361 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:06,405 INFO L206 MainTranslator]: Completed translation [2024-08-13 18:08:06,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06 WrapperNode [2024-08-13 18:08:06,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:06,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:06,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 18:08:06,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 18:08:06,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,462 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-08-13 18:08:06,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:06,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 18:08:06,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 18:08:06,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 18:08:06,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 18:08:06,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 18:08:06,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 18:08:06,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 18:08:06,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (1/1) ... [2024-08-13 18:08:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:06,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:06,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:06,546 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 [2024-08-13 18:08:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 18:08:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 18:08:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 18:08:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 18:08:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 18:08:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 18:08:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-13 18:08:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 18:08:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 18:08:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-13 18:08:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 18:08:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 18:08:06,589 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 18:08:06,748 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 18:08:06,750 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 18:08:06,947 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 18:08:06,948 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 18:08:07,077 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 18:08:07,078 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-13 18:08:07,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:07 BoogieIcfgContainer [2024-08-13 18:08:07,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 18:08:07,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 18:08:07,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 18:08:07,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 18:08:07,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:04" (1/4) ... [2024-08-13 18:08:07,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c1ca5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 06:08:07, skipping insertion in model container [2024-08-13 18:08:07,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 06:08:05" (2/4) ... [2024-08-13 18:08:07,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c1ca5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:07, skipping insertion in model container [2024-08-13 18:08:07,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:06" (3/4) ... [2024-08-13 18:08:07,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c1ca5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:07, skipping insertion in model container [2024-08-13 18:08:07,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:07" (4/4) ... [2024-08-13 18:08:07,089 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-08-13 18:08:07,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 18:08:07,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-13 18:08:07,105 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 18:08:07,154 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-13 18:08:07,194 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:07,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 18:08:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:07,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:07,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-13 18:08:07,245 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 18:08:07,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 18:08:07,265 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;@60127901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:07,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-08-13 18:08:07,419 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)] === [2024-08-13 18:08:07,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash -880106061, now seen corresponding path program 1 times [2024-08-13 18:08:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344058242] [2024-08-13 18:08:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:07,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:07,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:07,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344058242] [2024-08-13 18:08:07,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344058242] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:07,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:07,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 18:08:07,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831376043] [2024-08-13 18:08:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:07,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 18:08:07,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 18:08:07,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-13 18:08:07,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:07,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:07,913 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) [2024-08-13 18:08:07,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:08,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 18:08:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-08-13 18:08:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-08-13 18:08:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-08-13 18:08:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-08-13 18:08:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-08-13 18:08:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-08-13 18:08:08,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 18:08:08,702 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-13 18:08:08,707 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-13 18:08:08,707 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-13 18:08:08,710 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-08-13 18:08:08,711 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-08-13 18:08:08,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 06:08:08 BasicIcfg [2024-08-13 18:08:08,713 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-13 18:08:08,714 INFO L158 Benchmark]: Toolchain (without parser) took 2916.62ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 59.2MB in the beginning and 129.6MB in the end (delta: -70.4MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,714 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:08,715 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:08,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.95ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 59.2MB in the beginning and 121.5MB in the end (delta: -62.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.34ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,716 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,717 INFO L158 Benchmark]: RCFGBuilder took 573.22ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 92.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,719 INFO L158 Benchmark]: TraceAbstraction took 1630.70ms. Allocated memory is still 167.8MB. Free memory was 91.0MB in the beginning and 129.6MB in the end (delta: -38.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:08,721 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 0.19ms. Allocated memory is still 134.2MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.92ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.95ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 59.2MB in the beginning and 121.5MB in the end (delta: -62.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.34ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.22ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 92.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1630.70ms. Allocated memory is still 167.8MB. Free memory was 91.0MB in the beginning and 129.6MB in the end (delta: -38.6MB). Peak memory consumption was 41.1MB. 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: 542, independent conditional: 0, independent unconditional: 542, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, 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: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 405, independent: 317, independent conditional: 4, independent unconditional: 313, dependent: 88, dependent conditional: 9, dependent unconditional: 79, 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: 0.5s, 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: 542, independent conditional: 0, independent unconditional: 542, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, 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: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 405, independent: 317, independent conditional: 4, independent unconditional: 313, dependent: 88, dependent conditional: 9, dependent unconditional: 79, 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: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s 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! [2024-08-13 18:08:08,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-13 18:08:08,971 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