./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.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_19-publish-precision_unknown_2_pos.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_19-publish-precision_unknown_2_pos.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_2_pos.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 13:41:15,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 13:41:15,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 13:41:15,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 13:41:15,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 13:41:15,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 13:41:15,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 13:41:15,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 13:41:15,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 13:41:15,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 13:41:15,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 13:41:15,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 13:41:15,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 13:41:15,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 13:41:15,760 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 13:41:15,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 13:41:15,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 13:41:15,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 13:41:15,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 13:41:15,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 13:41:15,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 13:41:15,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 13:41:15,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 13:41:15,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 13:41:15,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 13:41:15,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 13:41:15,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 13:41:15,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 13:41:15,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 13:41:15,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 13:41:15,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 13:41:15,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 13:41:15,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:15,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 13:41:15,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 13:41:15,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 13:41:15,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 13:41:15,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 13:41:15,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 13:41:15,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 13:41:15,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 13:41:15,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 13:41:15,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 13:41:15,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 13:41:16,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 13:41:16,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 13:41:16,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 13:41:16,038 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 13:41:16,038 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 13:41:16,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml [2024-06-14 13:41:16,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 13:41:16,157 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 13:41:16,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-06-14 13:41:17,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 13:41:17,588 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 13:41:17,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-06-14 13:41:17,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00410f0f/89535bafeccb4571bef60b41050476e6/FLAGd3f8590f3 [2024-06-14 13:41:17,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00410f0f/89535bafeccb4571bef60b41050476e6 [2024-06-14 13:41:17,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 13:41:17,617 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 13:41:17,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:17,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 13:41:17,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 13:41:17,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:16" (1/2) ... [2024-06-14 13:41:17,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dacd210 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:17, skipping insertion in model container [2024-06-14 13:41:17,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:16" (1/2) ... [2024-06-14 13:41:17,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1edf73de and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:17, skipping insertion in model container [2024-06-14 13:41:17,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:17" (2/2) ... [2024-06-14 13:41:17,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dacd210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:17, skipping insertion in model container [2024-06-14 13:41:17,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:17" (2/2) ... [2024-06-14 13:41:17,628 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 13:41:17,663 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 13:41:17,664 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-14 13:41:17,665 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-14 13:41:17,666 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-14 13:41:17,666 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 13:41:17,668 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-14 13:41:17,668 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-14 13:41:17,669 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-14 13:41:17,669 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-14 13:41:17,669 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-14 13:41:17,669 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-14 13:41:17,669 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-14 13:41:17,670 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-14 13:41:17,670 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-14 13:41:17,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 13:41:18,026 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:18,040 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 [2024-06-14 13:41:18,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:18,154 INFO L206 MainTranslator]: Completed translation [2024-06-14 13:41:18,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18 WrapperNode [2024-06-14 13:41:18,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:18,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:18,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 13:41:18,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 13:41:18,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,203 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-14 13:41:18,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:18,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 13:41:18,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 13:41:18,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 13:41:18,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,241 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]. [2024-06-14 13:41:18,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 13:41:18,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 13:41:18,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 13:41:18,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 13:41:18,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (1/1) ... [2024-06-14 13:41:18,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 13:41:18,285 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 13:41:18,306 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 13:41:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 13:41:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 13:41:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 13:41:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 13:41:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 13:41:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 13:41:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 13:41:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 13:41:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 13:41:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 13:41:18,333 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 13:41:18,447 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 13:41:18,449 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 13:41:18,624 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 13:41:18,624 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 13:41:18,748 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 13:41:18,749 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 13:41:18,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:18 BoogieIcfgContainer [2024-06-14 13:41:18,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 13:41:18,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 13:41:18,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 13:41:18,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 13:41:18,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:16" (1/4) ... [2024-06-14 13:41:18,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13baf2bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:41:18, skipping insertion in model container [2024-06-14 13:41:18,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 01:41:17" (2/4) ... [2024-06-14 13:41:18,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13baf2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:41:18, skipping insertion in model container [2024-06-14 13:41:18,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:18" (3/4) ... [2024-06-14 13:41:18,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13baf2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:41:18, skipping insertion in model container [2024-06-14 13:41:18,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:18" (4/4) ... [2024-06-14 13:41:18,758 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-06-14 13:41:18,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 13:41:18,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 13:41:18,776 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 13:41:18,828 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-14 13:41:18,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 61 flow [2024-06-14 13:41:18,908 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-14 13:41:18,908 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-14 13:41:18,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 26 events. 0/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 13:41:18,910 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 27 transitions, 61 flow [2024-06-14 13:41:18,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2024-06-14 13:41:18,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 13:41:18,965 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;@143c4e29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 13:41:18,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 13:41:18,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 13:41:18,989 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 13:41:18,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:41:18,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:18,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 13:41:18,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:41:18,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:18,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2139501867, now seen corresponding path program 1 times [2024-06-14 13:41:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:19,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267051944] [2024-06-14 13:41:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:19,456 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 13:41:19,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:19,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267051944] [2024-06-14 13:41:19,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267051944] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:19,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:19,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 13:41:19,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461963606] [2024-06-14 13:41:19,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:19,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:19,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:19,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:19,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:19,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-14 13:41:19,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 13:41:19,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:19,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-14 13:41:19,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:19,572 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-14 13:41:19,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:41:19,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 48 events. 11/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/53 useless extension candidates. Maximal degree in co-relation 81. Up to 27 conditions per place. [2024-06-14 13:41:19,575 INFO L140 encePairwiseOnDemand]: 23/27 looper letters, 13 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2024-06-14 13:41:19,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 75 flow [2024-06-14 13:41:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:19,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-14 13:41:19,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691358024691358 [2024-06-14 13:41:19,590 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 41 flow. Second operand 3 states and 38 transitions. [2024-06-14 13:41:19,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 75 flow [2024-06-14 13:41:19,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 13:41:19,601 INFO L231 Difference]: Finished difference. Result has 25 places, 19 transitions, 51 flow [2024-06-14 13:41:19,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=25, PETRI_TRANSITIONS=19} [2024-06-14 13:41:19,607 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2024-06-14 13:41:19,607 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 19 transitions, 51 flow [2024-06-14 13:41:19,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 13:41:19,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:19,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 13:41:19,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 13:41:19,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:41:19,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:19,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1651174440, now seen corresponding path program 1 times [2024-06-14 13:41:19,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:19,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180998927] [2024-06-14 13:41:19,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:19,733 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 13:41:19,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:19,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180998927] [2024-06-14 13:41:19,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180998927] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:19,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:19,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 13:41:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837362501] [2024-06-14 13:41:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:19,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:19,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:19,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:19,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-14 13:41:19,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 51 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 13:41:19,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:19,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-14 13:41:19,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:19,792 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-14 13:41:19,792 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-14 13:41:19,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 38 events. 9/38 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 6 based on Foata normal form. 3/40 useless extension candidates. Maximal degree in co-relation 68. Up to 24 conditions per place. [2024-06-14 13:41:19,793 INFO L140 encePairwiseOnDemand]: 24/27 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-14 13:41:19,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 79 flow [2024-06-14 13:41:19,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-06-14 13:41:19,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4567901234567901 [2024-06-14 13:41:19,795 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 51 flow. Second operand 3 states and 37 transitions. [2024-06-14 13:41:19,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 79 flow [2024-06-14 13:41:19,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 13:41:19,797 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2024-06-14 13:41:19,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2024-06-14 13:41:19,801 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 0 predicate places. [2024-06-14 13:41:19,802 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2024-06-14 13:41:19,802 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 13:41:19,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 13:41:19,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 13:41:19,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 13:41:19,812 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 13:41:19,816 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 13:41:19,816 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 13:41:19,825 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 13:41:19,825 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 13:41:19,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 01:41:19 BasicIcfg [2024-06-14 13:41:19,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 13:41:19,829 INFO L158 Benchmark]: Toolchain (without parser) took 2209.30ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 91.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-06-14 13:41:19,829 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:19,830 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:19,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.13ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 91.0MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 13:41:19,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.92ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:19,835 INFO L158 Benchmark]: Boogie Preprocessor took 49.06ms. Allocated memory is still 176.2MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:19,836 INFO L158 Benchmark]: RCFGBuilder took 494.58ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 60.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 13:41:19,836 INFO L158 Benchmark]: TraceAbstraction took 1075.13ms. Allocated memory is still 176.2MB. Free memory was 59.6MB in the beginning and 91.1MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:19,842 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 0.20ms. Allocated memory is still 176.2MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.13ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 91.0MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.92ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.06ms. Allocated memory is still 176.2MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.58ms. Allocated memory is still 176.2MB. Free memory was 86.9MB in the beginning and 60.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1075.13ms. Allocated memory is still 176.2MB. Free memory was 59.6MB in the beginning and 91.1MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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, 43 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 50 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=51occurred 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, 0.4s 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 13:41:19,867 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