./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_20-publish-regression_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_20-publish-regression_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_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-7724a2d-m [2024-06-27 19:40:57,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:40:57,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:40:57,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:40:57,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:40:57,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:40:57,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:40:57,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:40:57,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:40:57,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:40:57,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:40:57,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:40:57,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:40:57,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:40:57,980 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:40:57,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:40:57,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:40:57,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:40:57,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:40:57,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:40:57,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:40:57,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:40:57,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:40:57,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:40:57,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:40:57,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:40:57,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:40:57,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:40:57,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:40:57,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:40:57,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:40:57,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:40:57,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:40:57,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:40:57,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:40:57,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:40:57,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:40:57,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:40:57,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:40:57,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:40:57,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:40:57,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:40:57,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:40:57,988 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:40:58,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:40:58,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:40:58,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:40:58,202 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:40:58,203 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:40:58,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_20-publish-regression_true.yml/witness.yml [2024-06-27 19:40:58,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:40:58,322 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:40:58,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-06-27 19:40:59,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:40:59,494 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:40:59,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-06-27 19:40:59,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831643dcf/bf59a49583cf45ac88c7ebc02ec6adb6/FLAGacc4a09fe [2024-06-27 19:40:59,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831643dcf/bf59a49583cf45ac88c7ebc02ec6adb6 [2024-06-27 19:40:59,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:40:59,522 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:40:59,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:40:59,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:40:59,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:40:59,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:40:58" (1/2) ... [2024-06-27 19:40:59,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463ee249 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:40:59, skipping insertion in model container [2024-06-27 19:40:59,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:40:58" (1/2) ... [2024-06-27 19:40:59,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e70197 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:40:59, skipping insertion in model container [2024-06-27 19:40:59,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:40:59" (2/2) ... [2024-06-27 19:40:59,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463ee249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59, skipping insertion in model container [2024-06-27 19:40:59,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:40:59" (2/2) ... [2024-06-27 19:40:59,532 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:40:59,559 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:40:59,560 INFO L97 edCorrectnessWitness]: Location invariant before [L700-L700] ! multithreaded || (glob1 == 0 || glob1 == 5) [2024-06-27 19:40:59,560 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:40:59,560 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-27 19:40:59,560 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-27 19:40:59,560 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-27 19:40:59,560 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-27 19:40:59,560 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex2_locked = 0; [2024-06-27 19:40:59,560 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-27 19:40:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-27 19:40:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] multithreaded = 1; [2024-06-27 19:40:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-27 19:40:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex1_locked = 1; [2024-06-27 19:40:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] mutex1_locked = 0; [2024-06-27 19:40:59,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:40:59,887 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:40:59,899 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 19:40:59,958 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:40:59,983 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:40:59,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59 WrapperNode [2024-06-27 19:40:59,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:40:59,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:40:59,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:40:59,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:40:59,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:40:59,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,021 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2024-06-27 19:41:00,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:00,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:41:00,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:41:00,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:41:00,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,055 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-27 19:41:00,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:41:00,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:41:00,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:41:00,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:41:00,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (1/1) ... [2024-06-27 19:41:00,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:41:00,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-27 19:41:00,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-27 19:41:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:41:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:41:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-27 19:41:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-27 19:41:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:41:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:41:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 19:41:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:41:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:41:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:41:00,139 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:41:00,277 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:41:00,279 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:41:00,513 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:41:00,518 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:41:00,640 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:41:00,641 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 19:41:00,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:00 BoogieIcfgContainer [2024-06-27 19:41:00,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:41:00,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:41:00,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:41:00,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:41:00,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:40:58" (1/4) ... [2024-06-27 19:41:00,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53633384 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:00, skipping insertion in model container [2024-06-27 19:41:00,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:40:59" (2/4) ... [2024-06-27 19:41:00,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53633384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:41:00, skipping insertion in model container [2024-06-27 19:41:00,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:40:59" (3/4) ... [2024-06-27 19:41:00,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53633384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:41:00, skipping insertion in model container [2024-06-27 19:41:00,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:00" (4/4) ... [2024-06-27 19:41:00,647 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-06-27 19:41:00,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:41:00,661 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-27 19:41:00,661 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:41:00,687 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-27 19:41:00,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-27 19:41:00,726 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-27 19:41:00,726 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 19:41:00,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-27 19:41:00,728 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-27 19:41:00,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-27 19:41:00,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:41:00,741 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=PETRI_NET, 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;@f5848c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:41:00,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-27 19:41:00,745 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:41:00,745 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-27 19:41:00,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:00,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:00,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 19:41:00,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:00,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash 274590040, now seen corresponding path program 1 times [2024-06-27 19:41:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:00,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745903896] [2024-06-27 19:41:00,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:00,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:00,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745903896] [2024-06-27 19:41:00,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745903896] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:00,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:00,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:41:00,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624765595] [2024-06-27 19:41:00,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:00,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:00,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:00,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:00,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:00,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-27 19:41:00,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-06-27 19:41:00,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:00,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-27 19:41:00,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:01,000 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-27 19:41:01,000 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 19:41:01,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/51 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-27 19:41:01,002 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-27 19:41:01,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-27 19:41:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-27 19:41:01,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-27 19:41:01,011 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 39 transitions. [2024-06-27 19:41:01,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-27 19:41:01,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 19:41:01,018 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-27 19:41:01,019 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-27 19:41:01,022 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-27 19:41:01,023 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-27 19:41:01,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-06-27 19:41:01,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:01,023 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:41:01,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:41:01,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:01,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1908953703, now seen corresponding path program 1 times [2024-06-27 19:41:01,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:01,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052572005] [2024-06-27 19:41:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:01,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:01,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052572005] [2024-06-27 19:41:01,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052572005] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:01,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:01,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:41:01,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047473874] [2024-06-27 19:41:01,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:01,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:01,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:01,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:01,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:01,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-27 19:41:01,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-27 19:41:01,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:01,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-27 19:41:01,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:01,155 INFO L124 PetriNetUnfolderBase]: 9/37 cut-off events. [2024-06-27 19:41:01,155 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-27 19:41:01,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 37 events. 9/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 32 event pairs, 6 based on Foata normal form. 3/38 useless extension candidates. Maximal degree in co-relation 68. Up to 22 conditions per place. [2024-06-27 19:41:01,156 INFO L140 encePairwiseOnDemand]: 23/26 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2024-06-27 19:41:01,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 73 flow [2024-06-27 19:41:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-27 19:41:01,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2024-06-27 19:41:01,157 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 3 states and 38 transitions. [2024-06-27 19:41:01,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 18 transitions, 73 flow [2024-06-27 19:41:01,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 18 transitions, 64 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 19:41:01,158 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-06-27 19:41:01,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-06-27 19:41:01,159 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 0 predicate places. [2024-06-27 19:41:01,159 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-06-27 19:41:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-27 19:41:01,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-27 19:41:01,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-27 19:41:01,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:41:01,175 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:41:01,177 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:41:01,177 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:41:01,180 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-27 19:41:01,180 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-27 19:41:01,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:41:01 BasicIcfg [2024-06-27 19:41:01,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:41:01,181 INFO L158 Benchmark]: Toolchain (without parser) took 1659.23ms. Allocated memory is still 176.2MB. Free memory was 102.3MB in the beginning and 118.0MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:01,181 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:01,183 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:01,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.52ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 132.2MB in the end (delta: -30.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-06-27 19:41:01,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.13ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:01,184 INFO L158 Benchmark]: Boogie Preprocessor took 41.27ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:01,185 INFO L158 Benchmark]: RCFGBuilder took 577.49ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 96.6MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-27 19:41:01,185 INFO L158 Benchmark]: TraceAbstraction took 538.48ms. Allocated memory is still 176.2MB. Free memory was 95.9MB in the beginning and 118.0MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:01,193 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 0.17ms. Allocated memory is still 125.8MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.52ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 132.2MB in the end (delta: -30.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.13ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.27ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.49ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 96.6MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 538.48ms. Allocated memory is still 176.2MB. Free memory was 95.9MB in the beginning and 118.0MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 19:41:01,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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