./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb4cb34f 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_29-multiple-protecting2-vesal_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_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-eb4cb34-m [2024-06-21 20:25:52,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 20:25:53,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 20:25:53,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 20:25:53,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 20:25:53,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 20:25:53,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 20:25:53,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 20:25:53,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 20:25:53,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 20:25:53,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 20:25:53,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 20:25:53,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 20:25:53,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 20:25:53,079 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 20:25:53,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 20:25:53,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 20:25:53,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 20:25:53,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 20:25:53,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 20:25:53,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 20:25:53,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 20:25:53,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 20:25:53,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 20:25:53,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 20:25:53,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 20:25:53,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 20:25:53,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 20:25:53,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 20:25:53,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 20:25:53,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 20:25:53,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 20:25:53,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:25:53,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 20:25:53,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 20:25:53,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 20:25:53,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 20:25:53,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 20:25:53,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 20:25:53,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 20:25:53,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 20:25:53,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 20:25:53,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 20:25:53,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 20:25:53,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 20:25:53,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 20:25:53,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 20:25:53,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 20:25:53,430 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 20:25:53,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-21 20:25:54,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 20:25:54,839 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 20:25:54,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-21 20:25:54,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b319e97/5235d888eeaa4622aeaf0c3f9ad1fbf6/FLAGdfce44f49 [2024-06-21 20:25:54,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b319e97/5235d888eeaa4622aeaf0c3f9ad1fbf6 [2024-06-21 20:25:54,865 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 20:25:54,866 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 20:25:54,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml [2024-06-21 20:25:55,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 20:25:55,007 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 20:25:55,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 20:25:55,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 20:25:55,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 20:25:55,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:25:54" (1/2) ... [2024-06-21 20:25:55,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a69d104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:25:55, skipping insertion in model container [2024-06-21 20:25:55,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:25:54" (1/2) ... [2024-06-21 20:25:55,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49fced57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:25:55, skipping insertion in model container [2024-06-21 20:25:55,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:25:55" (2/2) ... [2024-06-21 20:25:55,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a69d104 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55, skipping insertion in model container [2024-06-21 20:25:55,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:25:55" (2/2) ... [2024-06-21 20:25:55,017 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 20:25:55,057 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 20:25:55,059 INFO L97 edCorrectnessWitness]: Location invariant before [L699-L699] ((! multithreaded || (__global_lock_locked || (g2 == 0 || g2 == 1))) && (! multithreaded || (g2 == 0 || g2 == 1))) && (! multithreaded || (mutex2_locked || g2 == 0)) [2024-06-21 20:25:55,059 INFO L103 edCorrectnessWitness]: ghost_variable __global_lock_locked = 0 [2024-06-21 20:25:55,059 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-21 20:25:55,059 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 20:25:55,059 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-21 20:25:55,060 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] multithreaded = 1; [2024-06-21 20:25:55,060 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-06-21 20:25:55,060 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex2_locked = 0; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] __global_lock_locked = 1; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex2_locked = 0; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-06-21 20:25:55,061 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] __global_lock_locked = 1; [2024-06-21 20:25:55,062 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-06-21 20:25:55,062 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] mutex2_locked = 1; [2024-06-21 20:25:55,062 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] mutex1_locked = 0; [2024-06-21 20:25:55,062 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] mutex1_locked = 1; [2024-06-21 20:25:55,062 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] __global_lock_locked = 0; [2024-06-21 20:25:55,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 20:25:55,446 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:25:55,459 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-21 20:25:55,531 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:25:55,563 INFO L206 MainTranslator]: Completed translation [2024-06-21 20:25:55,564 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55 WrapperNode [2024-06-21 20:25:55,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 20:25:55,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 20:25:55,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 20:25:55,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 20:25:55,571 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 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,581 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 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,613 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 103 [2024-06-21 20:25:55,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 20:25:55,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 20:25:55,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 20:25:55,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 20:25:55,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,662 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-21 20:25:55,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 20:25:55,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 20:25:55,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 20:25:55,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 20:25:55,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (1/1) ... [2024-06-21 20:25:55,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:25:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 20:25:55,751 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) [2024-06-21 20:25:55,757 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 [2024-06-21 20:25:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-06-21 20:25:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-06-21 20:25:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 20:25:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 20:25:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 20:25:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 20:25:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 20:25:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-21 20:25:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 20:25:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 20:25:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 20:25:55,823 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-21 20:25:55,939 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 20:25:55,941 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 20:25:56,116 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 20:25:56,116 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 20:25:56,298 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 20:25:56,299 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 20:25:56,299 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:25:56 BoogieIcfgContainer [2024-06-21 20:25:56,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 20:25:56,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 20:25:56,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 20:25:56,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 20:25:56,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 08:25:54" (1/4) ... [2024-06-21 20:25:56,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35477a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 08:25:56, skipping insertion in model container [2024-06-21 20:25:56,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:25:55" (2/4) ... [2024-06-21 20:25:56,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35477a59 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:25:56, skipping insertion in model container [2024-06-21 20:25:56,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:25:55" (3/4) ... [2024-06-21 20:25:56,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35477a59 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:25:56, skipping insertion in model container [2024-06-21 20:25:56,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:25:56" (4/4) ... [2024-06-21 20:25:56,307 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-21 20:25:56,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 20:25:56,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 20:25:56,322 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 20:25:56,348 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-21 20:25:56,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 83 flow [2024-06-21 20:25:56,401 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-06-21 20:25:56,401 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 20:25:56,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 0/37 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-21 20:25:56,403 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 83 flow [2024-06-21 20:25:56,405 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-21 20:25:56,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 20:25:56,419 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;@3cb32c53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 20:25:56,419 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 20:25:56,424 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 20:25:56,428 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-21 20:25:56,428 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 20:25:56,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:25:56,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 20:25:56,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:25:56,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:25:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash 342375992, now seen corresponding path program 1 times [2024-06-21 20:25:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:25:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615359392] [2024-06-21 20:25:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:25:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:25:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:25:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 20:25:56,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:25:56,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615359392] [2024-06-21 20:25:56,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615359392] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:25:56,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:25:56,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 20:25:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159514253] [2024-06-21 20:25:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:25:56,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 20:25:56,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:25:56,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 20:25:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 20:25:56,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-06-21 20:25:56,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-21 20:25:56,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:25:56,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-06-21 20:25:56,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:25:56,823 INFO L124 PetriNetUnfolderBase]: 15/51 cut-off events. [2024-06-21 20:25:56,823 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 20:25:56,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 51 events. 15/51 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 8 based on Foata normal form. 3/52 useless extension candidates. Maximal degree in co-relation 89. Up to 35 conditions per place. [2024-06-21 20:25:56,826 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 12 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2024-06-21 20:25:56,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-21 20:25:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 20:25:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 20:25:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-06-21 20:25:56,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-06-21 20:25:56,839 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 54 transitions. [2024-06-21 20:25:56,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-21 20:25:56,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 20:25:56,844 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 46 flow [2024-06-21 20:25:56,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-21 20:25:56,849 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-21 20:25:56,849 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 46 flow [2024-06-21 20:25:56,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-21 20:25:56,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:25:56,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 20:25:56,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 20:25:56,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:25:56,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:25:56,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1730170603, now seen corresponding path program 1 times [2024-06-21 20:25:56,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:25:56,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590068329] [2024-06-21 20:25:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:25:56,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:25:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:25:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 20:25:57,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:25:57,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590068329] [2024-06-21 20:25:57,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590068329] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:25:57,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:25:57,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-21 20:25:57,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608144183] [2024-06-21 20:25:57,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:25:57,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-21 20:25:57,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:25:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-21 20:25:57,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-21 20:25:57,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-06-21 20:25:57,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2024-06-21 20:25:57,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:25:57,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-06-21 20:25:57,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:25:57,223 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-21 20:25:57,224 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-21 20:25:57,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 38 events. 9/38 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 7/45 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2024-06-21 20:25:57,225 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2024-06-21 20:25:57,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 84 flow [2024-06-21 20:25:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-21 20:25:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-21 20:25:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2024-06-21 20:25:57,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39097744360902253 [2024-06-21 20:25:57,231 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 46 flow. Second operand 7 states and 104 transitions. [2024-06-21 20:25:57,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 84 flow [2024-06-21 20:25:57,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 20:25:57,239 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2024-06-21 20:25:57,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, 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=7, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2024-06-21 20:25:57,240 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2024-06-21 20:25:57,240 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2024-06-21 20:25:57,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2024-06-21 20:25:57,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 20:25:57,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 20:25:57,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 20:25:57,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 20:25:57,251 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 20:25:57,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 20:25:57,258 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 20:25:57,260 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 20:25:57,262 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 08:25:57 BasicIcfg [2024-06-21 20:25:57,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 20:25:57,262 INFO L158 Benchmark]: Toolchain (without parser) took 2255.32ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 128.1MB in the beginning and 144.6MB in the end (delta: -16.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-06-21 20:25:57,263 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 135.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:25:57,265 INFO L158 Benchmark]: Witness Parser took 4.49ms. Allocated memory is still 165.7MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:25:57,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.01ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 100.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 20:25:57,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.83ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 20:25:57,268 INFO L158 Benchmark]: Boogie Preprocessor took 58.98ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 20:25:57,268 INFO L158 Benchmark]: RCFGBuilder took 625.74ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 97.0MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-06-21 20:25:57,269 INFO L158 Benchmark]: TraceAbstraction took 960.80ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 97.0MB in the beginning and 144.6MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:25:57,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 135.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.49ms. Allocated memory is still 165.7MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.01ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 100.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.83ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.98ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.74ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 97.0MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 960.80ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 97.0MB in the beginning and 144.6MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: 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, 54 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: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 71 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! [2024-06-21 20:25:57,302 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