./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_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_19-publish-precision_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_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-76401ed-m [2024-06-20 15:36:26,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 15:36:26,569 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 15:36:26,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 15:36:26,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 15:36:26,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 15:36:26,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 15:36:26,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 15:36:26,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 15:36:26,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 15:36:26,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 15:36:26,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 15:36:26,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 15:36:26,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 15:36:26,608 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 15:36:26,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 15:36:26,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 15:36:26,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 15:36:26,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 15:36:26,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 15:36:26,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 15:36:26,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 15:36:26,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 15:36:26,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 15:36:26,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 15:36:26,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 15:36:26,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 15:36:26,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 15:36:26,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 15:36:26,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 15:36:26,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 15:36:26,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 15:36:26,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:36:26,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 15:36:26,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 15:36:26,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 15:36:26,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 15:36:26,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 15:36:26,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 15:36:26,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 15:36:26,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 15:36:26,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 15:36:26,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 15:36:26,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 15:36:26,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 15:36:26,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 15:36:26,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 15:36:26,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 15:36:26,919 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 15:36:26,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2024-06-20 15:36:27,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 15:36:28,186 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 15:36:28,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2024-06-20 15:36:28,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfb8d014/4839543d601c4cfaa2c7672460e2a81d/FLAG9c29c71f6 [2024-06-20 15:36:28,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfb8d014/4839543d601c4cfaa2c7672460e2a81d [2024-06-20 15:36:28,222 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 15:36:28,223 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 15:36:28,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_true.yml/witness.yml [2024-06-20 15:36:28,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 15:36:28,335 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 15:36:28,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 15:36:28,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 15:36:28,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 15:36:28,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:36:28" (1/2) ... [2024-06-20 15:36:28,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2679eed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:28, skipping insertion in model container [2024-06-20 15:36:28,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:36:28" (1/2) ... [2024-06-20 15:36:28,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@201d09db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:28, skipping insertion in model container [2024-06-20 15:36:28,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:28" (2/2) ... [2024-06-20 15:36:28,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2679eed1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28, skipping insertion in model container [2024-06-20 15:36:28,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:28" (2/2) ... [2024-06-20 15:36:28,350 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 15:36:28,387 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 15:36:28,389 INFO L97 edCorrectnessWitness]: Location invariant before [L700-L700] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-20 15:36:28,389 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 15:36:28,389 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-20 15:36:28,389 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-20 15:36:28,390 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-20 15:36:28,391 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-20 15:36:28,391 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-20 15:36:28,391 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-20 15:36:28,391 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] multithreaded = 1; [2024-06-20 15:36:28,392 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex1_locked = 0; [2024-06-20 15:36:28,392 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex2_locked = 0; [2024-06-20 15:36:28,392 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 1; [2024-06-20 15:36:28,392 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] mutex2_locked = 0; [2024-06-20 15:36:28,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 15:36:28,692 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:36:28,706 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 [2024-06-20 15:36:28,825 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:36:28,872 INFO L206 MainTranslator]: Completed translation [2024-06-20 15:36:28,873 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28 WrapperNode [2024-06-20 15:36:28,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 15:36:28,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 15:36:28,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 15:36:28,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 15:36:28,881 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 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,896 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 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,923 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 92 [2024-06-20 15:36:28,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 15:36:28,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 15:36:28,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 15:36:28,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 15:36:28,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,963 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]. [2024-06-20 15:36:28,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 15:36:28,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 15:36:28,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 15:36:28,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 15:36:28,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (1/1) ... [2024-06-20 15:36:28,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:36:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 15:36:29,014 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) [2024-06-20 15:36:29,038 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 [2024-06-20 15:36:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 15:36:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 15:36:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-20 15:36:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-20 15:36:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 15:36:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 15:36:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 15:36:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 15:36:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 15:36:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 15:36:29,057 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 15:36:29,204 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 15:36:29,206 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 15:36:29,410 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 15:36:29,410 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 15:36:29,551 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 15:36:29,553 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 15:36:29,553 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 03:36:29 BoogieIcfgContainer [2024-06-20 15:36:29,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 15:36:29,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 15:36:29,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 15:36:29,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 15:36:29,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 03:36:28" (1/4) ... [2024-06-20 15:36:29,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c9e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 03:36:29, skipping insertion in model container [2024-06-20 15:36:29,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:28" (2/4) ... [2024-06-20 15:36:29,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c9e97 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 03:36:29, skipping insertion in model container [2024-06-20 15:36:29,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:28" (3/4) ... [2024-06-20 15:36:29,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c9e97 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 03:36:29, skipping insertion in model container [2024-06-20 15:36:29,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 03:36:29" (4/4) ... [2024-06-20 15:36:29,567 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2024-06-20 15:36:29,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 15:36:29,582 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-20 15:36:29,582 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 15:36:29,608 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-20 15:36:29,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-20 15:36:29,674 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-20 15:36:29,677 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 15:36:29,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-20 15:36:29,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-20 15:36:29,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-20 15:36:29,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 15:36:29,711 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;@2b5ac218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 15:36:29,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-20 15:36:29,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 15:36:29,716 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-20 15:36:29,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 15:36:29,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 15:36:29,718 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 15:36:29,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 15:36:29,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 15:36:29,763 INFO L85 PathProgramCache]: Analyzing trace with hash 241129781, now seen corresponding path program 1 times [2024-06-20 15:36:29,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 15:36:29,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066465970] [2024-06-20 15:36:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 15:36:29,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 15:36:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 15:36:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 15:36:30,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 15:36:30,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066465970] [2024-06-20 15:36:30,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066465970] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 15:36:30,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 15:36:30,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 15:36:30,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434970840] [2024-06-20 15:36:30,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 15:36:30,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 15:36:30,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 15:36:30,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 15:36:30,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 15:36:30,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2024-06-20 15:36:30,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 15:36:30,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 15:36:30,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2024-06-20 15:36:30,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 15:36:30,248 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-20 15:36:30,249 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 15:36:30,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/51 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-20 15:36:30,251 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-20 15:36:30,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-20 15:36:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 15:36:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 15:36:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-06-20 15:36:30,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2024-06-20 15:36:30,274 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 42 transitions. [2024-06-20 15:36:30,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-20 15:36:30,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 15:36:30,279 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-20 15:36:30,282 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-20 15:36:30,285 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-20 15:36:30,285 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-20 15:36:30,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 15:36:30,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 15:36:30,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 15:36:30,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 15:36:30,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 15:36:30,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 15:36:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash 223259061, now seen corresponding path program 1 times [2024-06-20 15:36:30,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 15:36:30,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577981342] [2024-06-20 15:36:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 15:36:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 15:36:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 15:36:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 15:36:30,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 15:36:30,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577981342] [2024-06-20 15:36:30,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577981342] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 15:36:30,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 15:36:30,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-20 15:36:30,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025480174] [2024-06-20 15:36:30,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 15:36:30,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 15:36:30,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 15:36:30,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 15:36:30,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 15:36:30,467 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 26 [2024-06-20 15:36:30,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-06-20 15:36:30,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 15:36:30,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 26 [2024-06-20 15:36:30,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 15:36:30,509 INFO L124 PetriNetUnfolderBase]: 9/37 cut-off events. [2024-06-20 15:36:30,510 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-20 15:36:30,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 37 events. 9/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 32 event pairs, 6 based on Foata normal form. 3/38 useless extension candidates. Maximal degree in co-relation 68. Up to 22 conditions per place. [2024-06-20 15:36:30,510 INFO L140 encePairwiseOnDemand]: 23/26 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2024-06-20 15:36:30,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 73 flow [2024-06-20 15:36:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 15:36:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 15:36:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2024-06-20 15:36:30,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2024-06-20 15:36:30,513 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 3 states and 41 transitions. [2024-06-20 15:36:30,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 18 transitions, 73 flow [2024-06-20 15:36:30,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 18 transitions, 64 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-20 15:36:30,514 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-06-20 15:36:30,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-06-20 15:36:30,515 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 0 predicate places. [2024-06-20 15:36:30,515 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-06-20 15:36:30,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-06-20 15:36:30,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-20 15:36:30,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-20 15:36:30,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-20 15:36:30,520 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-20 15:36:30,523 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 15:36:30,523 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 15:36:30,530 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-20 15:36:30,531 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-20 15:36:30,531 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 03:36:30 BasicIcfg [2024-06-20 15:36:30,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 15:36:30,532 INFO L158 Benchmark]: Toolchain (without parser) took 2196.89ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 77.7MB in the end (delta: 40.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,532 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 15:36:30,532 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 15:36:30,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.96ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 92.5MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.17ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,534 INFO L158 Benchmark]: Boogie Preprocessor took 58.31ms. Allocated memory is still 161.5MB. Free memory was 90.4MB in the beginning and 88.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,534 INFO L158 Benchmark]: RCFGBuilder took 567.45ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 122.3MB in the end (delta: -33.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,534 INFO L158 Benchmark]: TraceAbstraction took 975.74ms. Allocated memory is still 161.5MB. Free memory was 121.6MB in the beginning and 77.7MB in the end (delta: 43.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-06-20 15:36:30,536 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 113.2MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.96ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 92.5MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.17ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.31ms. Allocated memory is still 161.5MB. Free memory was 90.4MB in the beginning and 88.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.45ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 122.3MB in the end (delta: -33.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 975.74ms. Allocated memory is still 161.5MB. Free memory was 121.6MB in the beginning and 77.7MB in the end (delta: 43.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, 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, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-20 15:36:30,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE