./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-2.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/stateful01-2.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i ./goblint.2024-05-21_14-57-05.files/protection/stateful01-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-cde23df-m [2024-06-14 11:17:51,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:17:51,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:17:51,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:17:51,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:17:51,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:17:51,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:17:51,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:17:51,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:17:51,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:17:51,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:17:51,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:17:51,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:17:51,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:17:51,947 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:17:51,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:17:51,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:17:51,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:17:51,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:17:51,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:17:51,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:17:51,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:17:51,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:17:51,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:17:51,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:17:51,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:17:51,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:17:51,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:17:51,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:17:51,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:17:51,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:17:51,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:17:51,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:17:51,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:17:51,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:17:51,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:17:51,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:17:51,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:17:51,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:17:51,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:17:51,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:17:51,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:17:51,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:17:51,956 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:17:52,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:17:52,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:17:52,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:17:52,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:17:52,258 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:17:52,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2024-06-14 11:17:53,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:17:53,681 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:17:53,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2024-06-14 11:17:53,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1193d2511/4740c4bbc9e2474ea9cdb975a4d6317c/FLAGcda6df5e1 [2024-06-14 11:17:53,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1193d2511/4740c4bbc9e2474ea9cdb975a4d6317c [2024-06-14 11:17:53,715 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:17:53,715 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:17:53,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/stateful01-2.yml/witness.yml [2024-06-14 11:17:53,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:17:53,819 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:17:53,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:17:53,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:17:53,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:17:53,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:17:53" (1/2) ... [2024-06-14 11:17:53,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb6eba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:17:53, skipping insertion in model container [2024-06-14 11:17:53,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:17:53" (1/2) ... [2024-06-14 11:17:53,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65e1d753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:17:53, skipping insertion in model container [2024-06-14 11:17:53,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:17:53" (2/2) ... [2024-06-14 11:17:53,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb6eba0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:53, skipping insertion in model container [2024-06-14 11:17:53,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:17:53" (2/2) ... [2024-06-14 11:17:53,835 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:17:53,865 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:17:53,867 INFO L97 edCorrectnessWitness]: Location invariant before [L723-L723] ! multithreaded || 10 <= data1 [2024-06-14 11:17:53,885 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] ! multithreaded || 10 <= data1 [2024-06-14 11:17:53,886 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:17:53,886 INFO L103 edCorrectnessWitness]: ghost_variable ma_locked = 0 [2024-06-14 11:17:53,886 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] multithreaded = 1; [2024-06-14 11:17:53,887 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] ma_locked = 0; [2024-06-14 11:17:53,887 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] ma_locked = 1; [2024-06-14 11:17:53,887 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] ma_locked = 0; [2024-06-14 11:17:53,887 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] ma_locked = 1; [2024-06-14 11:17:53,888 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] ma_locked = 0; [2024-06-14 11:17:53,888 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] ma_locked = 0; [2024-06-14 11:17:53,888 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] ma_locked = 1; [2024-06-14 11:17:53,888 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] ma_locked = 1; [2024-06-14 11:17:53,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:17:54,296 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:17:54,307 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 11:17:54,407 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:17:54,443 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:17:54,444 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54 WrapperNode [2024-06-14 11:17:54,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:17:54,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:17:54,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:17:54,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:17:54,452 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 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,464 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 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,486 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-06-14 11:17:54,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:17:54,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:17:54,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:17:54,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:17:54,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,535 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-14 11:17:54,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:17:54,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:17:54,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:17:54,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:17:54,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (1/1) ... [2024-06-14 11:17:54,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:17:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:17:54,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-14 11:17:54,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-14 11:17:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 11:17:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 11:17:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 11:17:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 11:17:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:17:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:17:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:17:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:17:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:17:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:17:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:17:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:17:54,663 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 11:17:54,820 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:17:54,822 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:17:55,002 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:17:55,003 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:17:55,144 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:17:55,144 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:17:55,145 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:17:55 BoogieIcfgContainer [2024-06-14 11:17:55,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:17:55,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:17:55,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:17:55,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:17:55,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:17:53" (1/4) ... [2024-06-14 11:17:55,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c4b6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:17:55, skipping insertion in model container [2024-06-14 11:17:55,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:17:53" (2/4) ... [2024-06-14 11:17:55,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c4b6db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:17:55, skipping insertion in model container [2024-06-14 11:17:55,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:17:54" (3/4) ... [2024-06-14 11:17:55,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c4b6db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:17:55, skipping insertion in model container [2024-06-14 11:17:55,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:17:55" (4/4) ... [2024-06-14 11:17:55,153 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2024-06-14 11:17:55,170 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:17:55,170 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-14 11:17:55,170 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:17:55,207 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-14 11:17:55,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 11:17:55,296 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-06-14 11:17:55,298 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 11:17:55,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 32 events. 0/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 11:17:55,300 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 11:17:55,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 62 flow [2024-06-14 11:17:55,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:17:55,323 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;@630e108d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:17:55,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-14 11:17:55,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:17:55,334 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 11:17:55,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:17:55,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:17:55,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 11:17:55,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-14 11:17:55,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:17:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1036717908, now seen corresponding path program 1 times [2024-06-14 11:17:55,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:17:55,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378432617] [2024-06-14 11:17:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:17:55,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:17:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:17:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:17:55,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:17:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378432617] [2024-06-14 11:17:55,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378432617] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:17:55,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:17:55,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:17:55,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058977603] [2024-06-14 11:17:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:17:55,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:17:55,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:17:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:17:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:17:55,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2024-06-14 11:17:55,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:17:55,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:17:55,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2024-06-14 11:17:55,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:17:55,916 INFO L124 PetriNetUnfolderBase]: 182/357 cut-off events. [2024-06-14 11:17:55,917 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 11:17:55,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 357 events. 182/357 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1354 event pairs, 182 based on Foata normal form. 64/417 useless extension candidates. Maximal degree in co-relation 702. Up to 337 conditions per place. [2024-06-14 11:17:55,922 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2024-06-14 11:17:55,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 102 flow [2024-06-14 11:17:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:17:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:17:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-06-14 11:17:55,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4411764705882353 [2024-06-14 11:17:55,935 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 45 transitions. [2024-06-14 11:17:55,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 102 flow [2024-06-14 11:17:55,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 11:17:55,940 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2024-06-14 11:17:55,942 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2024-06-14 11:17:55,945 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2024-06-14 11:17:55,945 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2024-06-14 11:17:55,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:17:55,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-14 11:17:55,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-14 11:17:55,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-14 11:17:55,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-14 11:17:55,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:17:55,950 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-14 11:17:55,957 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:17:55,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:17:55,966 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-14 11:17:55,966 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-14 11:17:55,967 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:17:55 BasicIcfg [2024-06-14 11:17:55,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:17:55,969 INFO L158 Benchmark]: Toolchain (without parser) took 2149.47ms. Allocated memory is still 165.7MB. Free memory was 92.0MB in the beginning and 104.8MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:17:55,969 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:17:55,970 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:17:55,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.01ms. Allocated memory is still 165.7MB. Free memory was 91.7MB in the beginning and 114.4MB in the end (delta: -22.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-06-14 11:17:55,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.55ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:17:55,973 INFO L158 Benchmark]: Boogie Preprocessor took 82.40ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:17:55,974 INFO L158 Benchmark]: RCFGBuilder took 574.79ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 81.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-14 11:17:55,974 INFO L158 Benchmark]: TraceAbstraction took 820.82ms. Allocated memory is still 165.7MB. Free memory was 80.9MB in the beginning and 104.8MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:17:55,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.01ms. Allocated memory is still 165.7MB. Free memory was 91.7MB in the beginning and 114.4MB in the end (delta: -22.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.55ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.40ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.79ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 81.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 820.82ms. Allocated memory is still 165.7MB. Free memory was 80.9MB in the beginning and 104.8MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 723]: 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 5 procedures, 57 locations, 4 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: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 11:17:56,050 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