./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_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_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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_32-traces-mine-vs-oplus-vs-meet_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_32-traces-mine-vs-oplus-vs-meet_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-bcb38a6-m [2024-06-04 14:29:22,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 14:29:22,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 14:29:22,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 14:29:22,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 14:29:22,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 14:29:22,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 14:29:22,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 14:29:22,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 14:29:22,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 14:29:22,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 14:29:22,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 14:29:22,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 14:29:22,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 14:29:22,915 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 14:29:22,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 14:29:22,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 14:29:22,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 14:29:22,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 14:29:22,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 14:29:22,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 14:29:22,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 14:29:22,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 14:29:22,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 14:29:22,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 14:29:22,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 14:29:22,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 14:29:22,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 14:29:22,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 14:29:22,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 14:29:22,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 14:29:22,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 14:29:22,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 14:29:22,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 14:29:22,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 14:29:22,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 14:29:22,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 14:29:22,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 14:29:22,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 14:29:22,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 14:29:22,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 14:29:22,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 14:29:22,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 14:29:22,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 14:29:23,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 14:29:23,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 14:29:23,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 14:29:23,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 14:29:23,188 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 14:29:23,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-04 14:29:24,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 14:29:24,531 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 14:29:24,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-04 14:29:24,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86c7c76f1/e22f34ede3c64a1ba26c8a5cffc88191/FLAG25fc0235c [2024-06-04 14:29:24,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86c7c76f1/e22f34ede3c64a1ba26c8a5cffc88191 [2024-06-04 14:29:24,562 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 14:29:24,562 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 14:29:24,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml [2024-06-04 14:29:24,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 14:29:24,697 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 14:29:24,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 14:29:24,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 14:29:24,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 14:29:24,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 02:29:24" (1/2) ... [2024-06-04 14:29:24,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728acb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 02:29:24, skipping insertion in model container [2024-06-04 14:29:24,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 02:29:24" (1/2) ... [2024-06-04 14:29:24,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76297945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 02:29:24, skipping insertion in model container [2024-06-04 14:29:24,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:29:24" (2/2) ... [2024-06-04 14:29:24,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728acb25 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:24, skipping insertion in model container [2024-06-04 14:29:24,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:29:24" (2/2) ... [2024-06-04 14:29:24,707 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 14:29:24,748 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 14:29:24,750 INFO L97 edCorrectnessWitness]: Location invariant before [L701-L701] ! multithreaded || ((((0 <= g && g <= 5) && g <= 127) && g % 5 == 0) && (g == 0 || g == 5)) [2024-06-04 14:29:24,750 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 14:29:24,750 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-04 14:29:24,750 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-04 14:29:24,750 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-04 14:29:24,751 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] B_locked = 0; [2024-06-04 14:29:24,751 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 1; [2024-06-04 14:29:24,751 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] C_locked = 0; [2024-06-04 14:29:24,752 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-04 14:29:24,752 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] A_locked = 0; [2024-06-04 14:29:24,752 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-06-04 14:29:24,752 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 1; [2024-06-04 14:29:24,752 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] multithreaded = 1; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] C_locked = 1; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 1; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] C_locked = 0; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] B_locked = 0; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] A_locked = 0; [2024-06-04 14:29:24,753 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 1; [2024-06-04 14:29:24,754 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] A_locked = 1; [2024-06-04 14:29:24,754 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] B_locked = 0; [2024-06-04 14:29:24,754 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-04 14:29:24,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 14:29:25,116 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 14:29:25,137 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-04 14:29:25,227 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 14:29:25,269 INFO L206 MainTranslator]: Completed translation [2024-06-04 14:29:25,269 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25 WrapperNode [2024-06-04 14:29:25,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 14:29:25,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 14:29:25,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 14:29:25,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 14:29:25,278 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 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,291 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 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,316 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 95 [2024-06-04 14:29:25,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 14:29:25,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 14:29:25,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 14:29:25,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 14:29:25,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,342 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]. [2024-06-04 14:29:25,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 14:29:25,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 14:29:25,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 14:29:25,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 14:29:25,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (1/1) ... [2024-06-04 14:29:25,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 14:29:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 14:29:25,379 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) [2024-06-04 14:29:25,383 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 [2024-06-04 14:29:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-04 14:29:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-04 14:29:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-04 14:29:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 14:29:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 14:29:25,413 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 14:29:25,516 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 14:29:25,518 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 14:29:25,812 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 14:29:25,813 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 14:29:26,049 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 14:29:26,049 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 14:29:26,049 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 02:29:26 BoogieIcfgContainer [2024-06-04 14:29:26,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 14:29:26,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 14:29:26,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 14:29:26,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 14:29:26,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 02:29:24" (1/4) ... [2024-06-04 14:29:26,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475eeb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 02:29:26, skipping insertion in model container [2024-06-04 14:29:26,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 02:29:24" (2/4) ... [2024-06-04 14:29:26,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475eeb16 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 02:29:26, skipping insertion in model container [2024-06-04 14:29:26,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 02:29:25" (3/4) ... [2024-06-04 14:29:26,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475eeb16 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 02:29:26, skipping insertion in model container [2024-06-04 14:29:26,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 02:29:26" (4/4) ... [2024-06-04 14:29:26,060 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-04 14:29:26,074 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 14:29:26,074 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-04 14:29:26,075 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 14:29:26,109 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-04 14:29:26,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions, 93 flow [2024-06-04 14:29:26,175 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-06-04 14:29:26,176 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-04 14:29:26,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-04 14:29:26,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 43 transitions, 93 flow [2024-06-04 14:29:26,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 23 transitions, 49 flow [2024-06-04 14:29:26,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 14:29:26,204 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;@1df4558c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 14:29:26,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-04 14:29:26,209 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 14:29:26,209 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 14:29:26,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 14:29:26,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:29:26,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 14:29:26,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-04 14:29:26,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:29:26,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1286163342, now seen corresponding path program 1 times [2024-06-04 14:29:26,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:29:26,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294597264] [2024-06-04 14:29:26,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:29:26,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:29:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:29:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:29:26,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:29:26,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294597264] [2024-06-04 14:29:26,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294597264] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:29:26,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:29:26,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 14:29:26,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814370089] [2024-06-04 14:29:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:29:26,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 14:29:26,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:29:26,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 14:29:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 14:29:26,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-06-04 14:29:26,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-06-04 14:29:26,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:29:26,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-06-04 14:29:26,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:29:26,709 INFO L124 PetriNetUnfolderBase]: 13/59 cut-off events. [2024-06-04 14:29:26,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 14:29:26,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 59 events. 13/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 10 based on Foata normal form. 9/64 useless extension candidates. Maximal degree in co-relation 99. Up to 34 conditions per place. [2024-06-04 14:29:26,712 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 15 selfloop transitions, 3 changer transitions 0/24 dead transitions. [2024-06-04 14:29:26,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 24 transitions, 87 flow [2024-06-04 14:29:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 14:29:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 14:29:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-06-04 14:29:26,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4728682170542636 [2024-06-04 14:29:26,724 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 49 flow. Second operand 3 states and 61 transitions. [2024-06-04 14:29:26,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 24 transitions, 87 flow [2024-06-04 14:29:26,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-04 14:29:26,729 INFO L231 Difference]: Finished difference. Result has 29 places, 23 transitions, 59 flow [2024-06-04 14:29:26,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=29, PETRI_TRANSITIONS=23} [2024-06-04 14:29:26,734 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2024-06-04 14:29:26,734 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 23 transitions, 59 flow [2024-06-04 14:29:26,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-06-04 14:29:26,735 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 14:29:26,735 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 14:29:26,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 14:29:26,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-04 14:29:26,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 14:29:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2047764983, now seen corresponding path program 1 times [2024-06-04 14:29:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 14:29:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198048636] [2024-06-04 14:29:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 14:29:26,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 14:29:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 14:29:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 14:29:26,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 14:29:26,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198048636] [2024-06-04 14:29:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198048636] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 14:29:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 14:29:26,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-04 14:29:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226365477] [2024-06-04 14:29:26,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 14:29:26,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 14:29:26,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 14:29:26,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 14:29:26,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 14:29:26,913 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-06-04 14:29:26,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 23 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-04 14:29:26,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 14:29:26,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-06-04 14:29:26,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 14:29:26,977 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-04 14:29:26,978 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-04 14:29:26,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 47 events. 11/47 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 40 event pairs, 8 based on Foata normal form. 3/47 useless extension candidates. Maximal degree in co-relation 83. Up to 30 conditions per place. [2024-06-04 14:29:26,980 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2024-06-04 14:29:26,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 91 flow [2024-06-04 14:29:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 14:29:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 14:29:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2024-06-04 14:29:26,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46511627906976744 [2024-06-04 14:29:26,983 INFO L175 Difference]: Start difference. First operand has 29 places, 23 transitions, 59 flow. Second operand 3 states and 60 transitions. [2024-06-04 14:29:26,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 91 flow [2024-06-04 14:29:26,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 82 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-04 14:29:26,985 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2024-06-04 14:29:26,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2024-06-04 14:29:26,986 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2024-06-04 14:29:26,986 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2024-06-04 14:29:26,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-04 14:29:26,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-04 14:29:26,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-04 14:29:26,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 14:29:26,991 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 14:29:26,994 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 14:29:26,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 14:29:27,001 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-04 14:29:27,002 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-04 14:29:27,003 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 02:29:27 BasicIcfg [2024-06-04 14:29:27,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 14:29:27,004 INFO L158 Benchmark]: Toolchain (without parser) took 2307.10ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 132.4MB in the end (delta: 3.1MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,004 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 14:29:27,007 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 14:29:27,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.99ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 108.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.38ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,010 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,011 INFO L158 Benchmark]: RCFGBuilder took 694.91ms. Allocated memory is still 172.0MB. Free memory was 104.0MB in the beginning and 127.0MB in the end (delta: -23.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,011 INFO L158 Benchmark]: TraceAbstraction took 952.56ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 132.4MB in the end (delta: -6.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-06-04 14:29:27,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.99ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 108.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.38ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.91ms. Allocated memory is still 172.0MB. Free memory was 104.0MB in the beginning and 127.0MB in the end (delta: -23.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 952.56ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 132.4MB in the end (delta: -6.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: 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, 63 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 55 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=59occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 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! [2024-06-04 14:29:27,035 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