./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_42-traces-ex-mini_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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_42-traces-ex-mini_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_42-traces-ex-mini_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-cde23df-m [2024-06-14 11:42:46,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:42:46,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:42:46,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:42:46,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:42:46,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:42:46,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:42:46,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:42:46,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:42:46,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:42:46,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:42:46,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:42:46,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:42:46,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:42:46,177 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:42:46,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:42:46,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:42:46,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:42:46,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:42:46,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:42:46,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:42:46,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:42:46,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:42:46,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:42:46,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:42:46,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:42:46,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:42:46,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:46,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:42:46,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:42:46,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:42:46,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:42:46,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:42:46,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:42:46,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:42:46,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:42:46,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:42:46,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:42:46,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:42:46,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:42:46,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:42:46,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:42:46,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:42:46,413 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:42:46,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-06-14 11:42:47,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:42:47,567 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:42:47,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-06-14 11:42:47,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ef8aa30/889f9941da2a4c55a758da29db75480e/FLAG78289b623 [2024-06-14 11:42:47,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ef8aa30/889f9941da2a4c55a758da29db75480e [2024-06-14 11:42:47,596 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:42:47,596 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:42:47,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-06-14 11:42:47,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:42:47,665 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:42:47,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:47,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:42:47,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:42:47,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:47" (1/2) ... [2024-06-14 11:42:47,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fb71ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:47, skipping insertion in model container [2024-06-14 11:42:47,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:47" (1/2) ... [2024-06-14 11:42:47,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@240f21a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:47, skipping insertion in model container [2024-06-14 11:42:47,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:47" (2/2) ... [2024-06-14 11:42:47,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fb71ac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:47, skipping insertion in model container [2024-06-14 11:42:47,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:47" (2/2) ... [2024-06-14 11:42:47,675 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:42:47,705 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:42:47,706 INFO L97 edCorrectnessWitness]: Location invariant before [L697-L697] ! multithreaded || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42)) [2024-06-14 11:42:47,706 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:42:47,706 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-14 11:42:47,706 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-14 11:42:47,707 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 11:42:47,707 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-06-14 11:42:47,707 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] multithreaded = 1; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] C_locked = 1; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] C_locked = 0; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-06-14 11:42:47,708 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-06-14 11:42:47,709 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-06-14 11:42:47,709 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-06-14 11:42:47,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:42:48,061 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:48,072 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 11:42:48,138 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:48,168 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:42:48,168 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48 WrapperNode [2024-06-14 11:42:48,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:48,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:48,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:42:48,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:42:48,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,216 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-14 11:42:48,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:48,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:42:48,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:42:48,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:42:48,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,249 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-14 11:42:48,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:42:48,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:42:48,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:42:48,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:42:48,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (1/1) ... [2024-06-14 11:42:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:42:48,297 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) [2024-06-14 11:42:48,328 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 [2024-06-14 11:42:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:42:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:42:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 11:42:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 11:42:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:42:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:42:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:42:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-14 11:42:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:42:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:42:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:42:48,343 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 11:42:48,461 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:42:48,463 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:42:48,667 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:42:48,667 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:42:48,769 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:42:48,769 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:42:48,770 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:48 BoogieIcfgContainer [2024-06-14 11:42:48,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:42:48,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:42:48,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:42:48,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:42:48,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:42:47" (1/4) ... [2024-06-14 11:42:48,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6238838a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:42:48, skipping insertion in model container [2024-06-14 11:42:48,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:47" (2/4) ... [2024-06-14 11:42:48,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6238838a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:42:48, skipping insertion in model container [2024-06-14 11:42:48,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:48" (3/4) ... [2024-06-14 11:42:48,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6238838a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:42:48, skipping insertion in model container [2024-06-14 11:42:48,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:48" (4/4) ... [2024-06-14 11:42:48,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-06-14 11:42:48,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:42:48,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 11:42:48,793 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:42:48,831 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 11:42:48,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 62 flow [2024-06-14 11:42:48,889 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-06-14 11:42:48,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:48,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-14 11:42:48,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 62 flow [2024-06-14 11:42:48,892 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 11:42:48,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:42:48,913 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;@48410587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:42:48,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 11:42:48,916 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:42:48,916 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 11:42:48,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:48,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:48,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 11:42:48,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:48,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1268297705, now seen corresponding path program 1 times [2024-06-14 11:42:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:48,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393188139] [2024-06-14 11:42:48,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:42:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393188139] [2024-06-14 11:42:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393188139] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:49,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:49,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:42:49,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379669766] [2024-06-14 11:42:49,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:49,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:42:49,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:42:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:42:49,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-14 11:42:49,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-06-14 11:42:49,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:49,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-14 11:42:49,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:49,359 INFO L124 PetriNetUnfolderBase]: 8/34 cut-off events. [2024-06-14 11:42:49,360 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:49,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 34 events. 8/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 6 based on Foata normal form. 6/39 useless extension candidates. Maximal degree in co-relation 58. Up to 23 conditions per place. [2024-06-14 11:42:49,361 INFO L140 encePairwiseOnDemand]: 25/29 looper letters, 11 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2024-06-14 11:42:49,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:42:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:42:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-14 11:42:49,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4482758620689655 [2024-06-14 11:42:49,372 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 39 transitions. [2024-06-14 11:42:49,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:49,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 11:42:49,376 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:49,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-14 11:42:49,379 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-14 11:42:49,379 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:49,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-06-14 11:42:49,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:49,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 11:42:49,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:42:49,380 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:49,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:49,381 INFO L85 PathProgramCache]: Analyzing trace with hash 931714714, now seen corresponding path program 1 times [2024-06-14 11:42:49,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:49,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055219883] [2024-06-14 11:42:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:42:49,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:49,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055219883] [2024-06-14 11:42:49,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055219883] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:49,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:49,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 11:42:49,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896378916] [2024-06-14 11:42:49,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:49,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:42:49,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:49,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:42:49,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:42:49,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29 [2024-06-14 11:42:49,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-06-14 11:42:49,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:49,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29 [2024-06-14 11:42:49,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:49,505 INFO L124 PetriNetUnfolderBase]: 7/28 cut-off events. [2024-06-14 11:42:49,506 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 11:42:49,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 28 events. 7/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 23 event pairs, 5 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 52. Up to 21 conditions per place. [2024-06-14 11:42:49,506 INFO L140 encePairwiseOnDemand]: 26/29 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-14 11:42:49,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 15 transitions, 67 flow [2024-06-14 11:42:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:42:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:42:49,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-14 11:42:49,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4367816091954023 [2024-06-14 11:42:49,511 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 3 states and 38 transitions. [2024-06-14 11:42:49,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 15 transitions, 67 flow [2024-06-14 11:42:49,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 58 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 11:42:49,512 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-06-14 11:42:49,512 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-06-14 11:42:49,515 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-06-14 11:42:49,515 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-06-14 11:42:49,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-06-14 11:42:49,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 11:42:49,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 11:42:49,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 11:42:49,519 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 11:42:49,522 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:42:49,522 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:42:49,527 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 11:42:49,528 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 11:42:49,530 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:42:49 BasicIcfg [2024-06-14 11:42:49,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:42:49,532 INFO L158 Benchmark]: Toolchain (without parser) took 1866.04ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 67.3MB in the beginning and 82.7MB in the end (delta: -15.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,532 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:49,533 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:49,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.04ms. Allocated memory is still 127.9MB. Free memory was 67.0MB in the beginning and 87.6MB in the end (delta: -20.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.16ms. Allocated memory is still 127.9MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,537 INFO L158 Benchmark]: Boogie Preprocessor took 52.13ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,537 INFO L158 Benchmark]: RCFGBuilder took 499.87ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 52.9MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,538 INFO L158 Benchmark]: TraceAbstraction took 757.65ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 52.5MB in the beginning and 82.7MB in the end (delta: -30.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:49,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.04ms. Allocated memory is still 127.9MB. Free memory was 67.0MB in the beginning and 87.6MB in the end (delta: -20.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.16ms. Allocated memory is still 127.9MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.13ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.87ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 52.9MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 757.65ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 52.5MB in the beginning and 82.7MB in the end (delta: -30.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: 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, 41 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 1 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, 1 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=43occurred 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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! [2024-06-14 11:42:49,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE