./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_1_pos.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_19-publish-precision_unknown_1_pos.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 15:49:06,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 15:49:07,005 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 15:49:07,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 15:49:07,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 15:49:07,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 15:49:07,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 15:49:07,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 15:49:07,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 15:49:07,035 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 15:49:07,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 15:49:07,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 15:49:07,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 15:49:07,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 15:49:07,036 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 15:49:07,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 15:49:07,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 15:49:07,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 15:49:07,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 15:49:07,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 15:49:07,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 15:49:07,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 15:49:07,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 15:49:07,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 15:49:07,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 15:49:07,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 15:49:07,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 15:49:07,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 15:49:07,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 15:49:07,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 15:49:07,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 15:49:07,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 15:49:07,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:07,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 15:49:07,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 15:49:07,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 15:49:07,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 15:49:07,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 15:49:07,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 15:49:07,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 15:49:07,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 15:49:07,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 15:49:07,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 15:49:07,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 15:49:07,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 15:49:07,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 15:49:07,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 15:49:07,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 15:49:07,222 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 15:49:07,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-06-04 15:49:08,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 15:49:08,549 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 15:49:08,550 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-06-04 15:49:08,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1951394a1/8bfe4d5765d5494a9e413a0a971be285/FLAG6f8436fe6 [2024-06-04 15:49:08,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1951394a1/8bfe4d5765d5494a9e413a0a971be285 [2024-06-04 15:49:08,572 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 15:49:08,573 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 15:49:08,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml [2024-06-04 15:49:08,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 15:49:08,673 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 15:49:08,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:08,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 15:49:08,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 15:49:08,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:08" (1/2) ... [2024-06-04 15:49:08,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9300e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:08, skipping insertion in model container [2024-06-04 15:49:08,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:08" (1/2) ... [2024-06-04 15:49:08,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25e37b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:08, skipping insertion in model container [2024-06-04 15:49:08,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:08" (2/2) ... [2024-06-04 15:49:08,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9300e7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:08, skipping insertion in model container [2024-06-04 15:49:08,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:08" (2/2) ... [2024-06-04 15:49:08,684 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 15:49:08,705 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 15:49:08,706 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-04 15:49:08,706 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-04 15:49:08,706 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 15:49:08,706 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-04 15:49:08,707 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-04 15:49:08,707 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-04 15:49:08,707 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-04 15:49:08,708 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-04 15:49:08,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 15:49:09,002 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:09,015 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 [2024-06-04 15:49:09,108 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:09,143 INFO L206 MainTranslator]: Completed translation [2024-06-04 15:49:09,143 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:09 WrapperNode [2024-06-04 15:49:09,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:09,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:09,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 15:49:09,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 15:49:09,150 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,172 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,192 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-04 15:49:09,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:09,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 15:49:09,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 15:49:09,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 15:49:09,202 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,202 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,207 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,225 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]. [2024-06-04 15:49:09,225 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,225 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,237 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,238 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,242 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,243 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 15:49:09,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 15:49:09,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 15:49:09,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 15:49:09,249 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 03:49:09" (1/1) ... [2024-06-04 15:49:09,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 15:49:09,304 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 15:49:09,322 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 15:49:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-04 15:49:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 15:49:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-04 15:49:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-04 15:49:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 15:49:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 15:49:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-04 15:49:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-04 15:49:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 15:49:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 15:49:09,338 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 15:49:09,460 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 15:49:09,461 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 15:49:09,574 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 15:49:09,574 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 15:49:09,660 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 15:49:09,660 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 15:49:09,660 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:09 BoogieIcfgContainer [2024-06-04 15:49:09,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 15:49:09,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 15:49:09,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 15:49:09,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 15:49:09,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 03:49:08" (1/4) ... [2024-06-04 15:49:09,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c623e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 03:49:09, skipping insertion in model container [2024-06-04 15:49:09,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:08" (2/4) ... [2024-06-04 15:49:09,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c623e85 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 03:49:09, skipping insertion in model container [2024-06-04 15:49:09,666 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 03:49:09" (3/4) ... [2024-06-04 15:49:09,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c623e85 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 03:49:09, skipping insertion in model container [2024-06-04 15:49:09,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:09" (4/4) ... [2024-06-04 15:49:09,667 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2024-06-04 15:49:09,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 15:49:09,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-04 15:49:09,679 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 15:49:09,702 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-04 15:49:09,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 27 transitions, 61 flow [2024-06-04 15:49:09,741 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-04 15:49:09,741 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-04 15:49:09,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 26 events. 0/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-04 15:49:09,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 27 transitions, 61 flow [2024-06-04 15:49:09,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2024-06-04 15:49:09,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 15:49:09,756 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;@6ddc3bab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 15:49:09,756 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-04 15:49:09,759 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 15:49:09,759 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 15:49:09,759 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 15:49:09,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:09,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 15:49:09,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-04 15:49:09,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2139501867, now seen corresponding path program 1 times [2024-06-04 15:49:09,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:09,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927900626] [2024-06-04 15:49:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:10,159 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 15:49:10,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:10,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927900626] [2024-06-04 15:49:10,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927900626] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:10,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:10,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 15:49:10,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099211176] [2024-06-04 15:49:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:10,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:10,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:10,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-04 15:49:10,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 15:49:10,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:10,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-04 15:49:10,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:10,245 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-04 15:49:10,245 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 15:49:10,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 48 events. 11/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/53 useless extension candidates. Maximal degree in co-relation 81. Up to 27 conditions per place. [2024-06-04 15:49:10,247 INFO L140 encePairwiseOnDemand]: 23/27 looper letters, 13 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2024-06-04 15:49:10,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 75 flow [2024-06-04 15:49:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-04 15:49:10,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691358024691358 [2024-06-04 15:49:10,257 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 41 flow. Second operand 3 states and 38 transitions. [2024-06-04 15:49:10,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 75 flow [2024-06-04 15:49:10,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-04 15:49:10,262 INFO L231 Difference]: Finished difference. Result has 25 places, 19 transitions, 51 flow [2024-06-04 15:49:10,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=51, PETRI_PLACES=25, PETRI_TRANSITIONS=19} [2024-06-04 15:49:10,266 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2024-06-04 15:49:10,266 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 19 transitions, 51 flow [2024-06-04 15:49:10,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 15:49:10,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:10,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 15:49:10,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 15:49:10,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-04 15:49:10,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:10,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1651174440, now seen corresponding path program 1 times [2024-06-04 15:49:10,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:10,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836568289] [2024-06-04 15:49:10,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:10,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:10,376 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 15:49:10,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:10,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836568289] [2024-06-04 15:49:10,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836568289] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:10,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:10,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-04 15:49:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921041037] [2024-06-04 15:49:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:10,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:10,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:10,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:10,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 27 [2024-06-04 15:49:10,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 15:49:10,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:10,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 27 [2024-06-04 15:49:10,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:10,424 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-04 15:49:10,425 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-04 15:49:10,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 38 events. 9/38 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 6 based on Foata normal form. 3/40 useless extension candidates. Maximal degree in co-relation 68. Up to 24 conditions per place. [2024-06-04 15:49:10,425 INFO L140 encePairwiseOnDemand]: 24/27 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-04 15:49:10,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 79 flow [2024-06-04 15:49:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2024-06-04 15:49:10,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4567901234567901 [2024-06-04 15:49:10,427 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 51 flow. Second operand 3 states and 37 transitions. [2024-06-04 15:49:10,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 79 flow [2024-06-04 15:49:10,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-04 15:49:10,428 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2024-06-04 15:49:10,428 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2024-06-04 15:49:10,428 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 0 predicate places. [2024-06-04 15:49:10,428 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2024-06-04 15:49:10,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 15:49:10,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-04 15:49:10,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-04 15:49:10,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 15:49:10,431 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 15:49:10,434 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 15:49:10,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 15:49:10,437 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-04 15:49:10,437 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-04 15:49:10,438 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 03:49:10 BasicIcfg [2024-06-04 15:49:10,438 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 15:49:10,439 INFO L158 Benchmark]: Toolchain (without parser) took 1765.41ms. Allocated memory is still 216.0MB. Free memory was 185.5MB in the beginning and 132.5MB in the end (delta: 53.1MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-06-04 15:49:10,439 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:10,439 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 216.0MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:10,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.66ms. Allocated memory is still 216.0MB. Free memory was 185.5MB in the beginning and 160.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-04 15:49:10,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.94ms. Allocated memory is still 216.0MB. Free memory was 160.4MB in the beginning and 158.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 15:49:10,440 INFO L158 Benchmark]: Boogie Preprocessor took 54.59ms. Allocated memory is still 216.0MB. Free memory was 158.2MB in the beginning and 156.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 15:49:10,441 INFO L158 Benchmark]: RCFGBuilder took 412.31ms. Allocated memory is still 216.0MB. Free memory was 156.2MB in the beginning and 128.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-04 15:49:10,441 INFO L158 Benchmark]: TraceAbstraction took 776.07ms. Allocated memory is still 216.0MB. Free memory was 128.9MB in the beginning and 132.5MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:10,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 216.0MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.66ms. Allocated memory is still 216.0MB. Free memory was 185.5MB in the beginning and 160.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.94ms. Allocated memory is still 216.0MB. Free memory was 160.4MB in the beginning and 158.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.59ms. Allocated memory is still 216.0MB. Free memory was 158.2MB in the beginning and 156.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.31ms. Allocated memory is still 216.0MB. Free memory was 156.2MB in the beginning and 128.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 776.07ms. Allocated memory is still 216.0MB. Free memory was 128.9MB in the beginning and 132.5MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 15:49:10,472 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