./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-ticket-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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/weaver/parallel-ticket-2.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-ticket-2.wvr.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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:34:02,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:34:02,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:34:02,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:34:02,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:34:02,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:34:02,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:34:02,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:34:02,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:34:02,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:34:02,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:34:02,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:34:02,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:34:02,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:34:02,917 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:34:02,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:34:02,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:34:02,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:34:02,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:34:02,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:34:02,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:34:02,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:34:02,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:34:02,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:34:02,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:34:02,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:34:02,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:34:02,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:34:02,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:34:02,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:34:02,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:34:02,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:34:02,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:34:02,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:34:02,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:34:02,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:34:02,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:34:02,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:34:02,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:34:02,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:34:02,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:34:02,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:34:02,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:34:02,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:34:03,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:34:03,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:34:03,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:34:03,265 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:34:03,266 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:34:03,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-ticket-2.wvr.yml/witness.yml [2024-02-05 10:34:03,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:34:03,400 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:34:03,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2024-02-05 10:34:04,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:34:04,726 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:34:04,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2024-02-05 10:34:04,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59da2f7d/f4d86de0c2fc4f24a6566dc7b6cc3715/FLAG5b56aea98 [2024-02-05 10:34:04,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59da2f7d/f4d86de0c2fc4f24a6566dc7b6cc3715 [2024-02-05 10:34:04,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:34:04,748 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:34:04,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:34:04,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:34:04,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:34:04,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:03" (1/2) ... [2024-02-05 10:34:04,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367180f3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:04, skipping insertion in model container [2024-02-05 10:34:04,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:03" (1/2) ... [2024-02-05 10:34:04,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d1db2e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:04, skipping insertion in model container [2024-02-05 10:34:04,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:34:04" (2/2) ... [2024-02-05 10:34:04,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367180f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:04, skipping insertion in model container [2024-02-05 10:34:04,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:34:04" (2/2) ... [2024-02-05 10:34:04,760 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:34:04,797 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:34:04,798 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,799 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] b == (_Bool)0 [2024-02-05 10:34:04,799 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] ((x == 0) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,799 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,799 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,800 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,800 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,800 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] b == (_Bool)0 || b == (_Bool)1 [2024-02-05 10:34:04,800 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (x == 0) && (b == (_Bool)0) [2024-02-05 10:34:04,800 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] ((((m2 == 0) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] ((t == 0) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] ((x == 1) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,801 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] (((((m1 == 0) && (m2 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:04,802 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,802 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,802 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,802 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,802 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L88-L88] (((s == 0) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L73-L73] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,803 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] b == (_Bool)0 || b == (_Bool)1 [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,804 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,805 INFO L101 nessWitnessExtractor]: Location invariant before [L74-L74] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,805 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-02-05 10:34:04,805 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,806 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:04,824 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:34:05,062 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2678,2691] [2024-02-05 10:34:05,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:34:05,073 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 [2024-02-05 10:34:05,141 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2678,2691] [2024-02-05 10:34:05,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:34:05,156 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:34:05,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05 WrapperNode [2024-02-05 10:34:05,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:34:05,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:34:05,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:34:05,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:34:05,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,214 INFO L138 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 164 [2024-02-05 10:34:05,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:34:05,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:34:05,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:34:05,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:34:05,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,259 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-05 10:34:05,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:34:05,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:34:05,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:34:05,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:34:05,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (1/1) ... [2024-02-05 10:34:05,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:34:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:34:05,338 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) [2024-02-05 10:34:05,368 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 [2024-02-05 10:34:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:34:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:34:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:34:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:34:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:34:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:34:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:34:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:34:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:34:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:34:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:34:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:34:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:34:05,407 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:34:05,504 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:34:05,506 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:34:05,776 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:34:05,776 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:34:05,984 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:34:05,984 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:34:05,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:34:05 BoogieIcfgContainer [2024-02-05 10:34:05,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:34:05,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:34:05,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:34:05,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:34:05,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:03" (1/4) ... [2024-02-05 10:34:05,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6116b5eb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:34:05, skipping insertion in model container [2024-02-05 10:34:05,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:34:04" (2/4) ... [2024-02-05 10:34:05,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6116b5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:34:05, skipping insertion in model container [2024-02-05 10:34:05,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:05" (3/4) ... [2024-02-05 10:34:05,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6116b5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:34:05, skipping insertion in model container [2024-02-05 10:34:05,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:34:05" (4/4) ... [2024-02-05 10:34:05,996 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2024-02-05 10:34:06,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:34:06,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-02-05 10:34:06,013 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:34:06,152 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-05 10:34:06,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 82 transitions, 178 flow [2024-02-05 10:34:06,264 INFO L124 PetriNetUnfolderBase]: 0/80 cut-off events. [2024-02-05 10:34:06,264 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:34:06,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 80 events. 0/80 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 175 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-05 10:34:06,266 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 82 transitions, 178 flow [2024-02-05 10:34:06,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 79 transitions, 170 flow [2024-02-05 10:34:06,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:34:06,306 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;@578ea1fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:34:06,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2024-02-05 10:34:06,313 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:34:06,313 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:34:06,313 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:34:06,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:06,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:34:06,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:06,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:06,319 INFO L85 PathProgramCache]: Analyzing trace with hash 14672, now seen corresponding path program 1 times [2024-02-05 10:34:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:06,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727270227] [2024-02-05 10:34:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:06,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:06,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727270227] [2024-02-05 10:34:06,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727270227] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:06,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:34:06,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451450989] [2024-02-05 10:34:06,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:06,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:34:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:06,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:34:06,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:34:06,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 82 [2024-02-05 10:34:06,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-02-05 10:34:06,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:06,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 82 [2024-02-05 10:34:06,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:07,122 INFO L124 PetriNetUnfolderBase]: 501/1050 cut-off events. [2024-02-05 10:34:07,122 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-02-05 10:34:07,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2004 conditions, 1050 events. 501/1050 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7276 event pairs, 501 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 1854. Up to 907 conditions per place. [2024-02-05 10:34:07,139 INFO L140 encePairwiseOnDemand]: 72/82 looper letters, 46 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2024-02-05 10:34:07,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 71 transitions, 250 flow [2024-02-05 10:34:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2024-02-05 10:34:07,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532520325203252 [2024-02-05 10:34:07,156 INFO L175 Difference]: Start difference. First operand has 86 places, 79 transitions, 170 flow. Second operand 3 states and 131 transitions. [2024-02-05 10:34:07,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 71 transitions, 250 flow [2024-02-05 10:34:07,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 71 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-05 10:34:07,167 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 150 flow [2024-02-05 10:34:07,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2024-02-05 10:34:07,172 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2024-02-05 10:34:07,172 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 150 flow [2024-02-05 10:34:07,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-02-05 10:34:07,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:07,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:34:07,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:34:07,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:07,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash 455320, now seen corresponding path program 1 times [2024-02-05 10:34:07,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:07,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837177917] [2024-02-05 10:34:07,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:07,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:07,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:07,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837177917] [2024-02-05 10:34:07,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837177917] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:07,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:07,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:07,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095826663] [2024-02-05 10:34:07,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:34:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:07,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:34:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:34:07,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2024-02-05 10:34:07,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-02-05 10:34:07,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:07,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2024-02-05 10:34:07,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:07,495 INFO L124 PetriNetUnfolderBase]: 501/1049 cut-off events. [2024-02-05 10:34:07,495 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:34:07,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1975 conditions, 1049 events. 501/1049 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7271 event pairs, 501 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 1966. Up to 905 conditions per place. [2024-02-05 10:34:07,499 INFO L140 encePairwiseOnDemand]: 79/82 looper letters, 45 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2024-02-05 10:34:07,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 70 transitions, 242 flow [2024-02-05 10:34:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2024-02-05 10:34:07,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121951219512195 [2024-02-05 10:34:07,501 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 150 flow. Second operand 3 states and 126 transitions. [2024-02-05 10:34:07,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 70 transitions, 242 flow [2024-02-05 10:34:07,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 70 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:34:07,503 INFO L231 Difference]: Finished difference. Result has 75 places, 70 transitions, 148 flow [2024-02-05 10:34:07,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=75, PETRI_TRANSITIONS=70} [2024-02-05 10:34:07,503 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -11 predicate places. [2024-02-05 10:34:07,504 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 70 transitions, 148 flow [2024-02-05 10:34:07,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-02-05 10:34:07,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:07,504 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:34:07,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:34:07,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:07,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:07,505 INFO L85 PathProgramCache]: Analyzing trace with hash 14115373, now seen corresponding path program 1 times [2024-02-05 10:34:07,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291271847] [2024-02-05 10:34:07,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291271847] [2024-02-05 10:34:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291271847] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:07,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601946608] [2024-02-05 10:34:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:07,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:34:07,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:07,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:34:07,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:34:07,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 82 [2024-02-05 10:34:07,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-02-05 10:34:07,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:07,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 82 [2024-02-05 10:34:07,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:07,684 INFO L124 PetriNetUnfolderBase]: 484/1107 cut-off events. [2024-02-05 10:34:07,684 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:34:07,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2001 conditions, 1107 events. 484/1107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7337 event pairs, 243 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 1990. Up to 852 conditions per place. [2024-02-05 10:34:07,695 INFO L140 encePairwiseOnDemand]: 73/82 looper letters, 47 selfloop transitions, 5 changer transitions 0/75 dead transitions. [2024-02-05 10:34:07,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 263 flow [2024-02-05 10:34:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-02-05 10:34:07,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.556910569105691 [2024-02-05 10:34:07,696 INFO L175 Difference]: Start difference. First operand has 75 places, 70 transitions, 148 flow. Second operand 3 states and 137 transitions. [2024-02-05 10:34:07,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 263 flow [2024-02-05 10:34:07,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 75 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:34:07,698 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 167 flow [2024-02-05 10:34:07,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2024-02-05 10:34:07,699 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-02-05 10:34:07,699 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 167 flow [2024-02-05 10:34:07,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-02-05 10:34:07,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:07,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:34:07,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:34:07,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:07,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:07,701 INFO L85 PathProgramCache]: Analyzing trace with hash 437576985, now seen corresponding path program 1 times [2024-02-05 10:34:07,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:07,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011448439] [2024-02-05 10:34:07,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:07,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:07,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:07,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011448439] [2024-02-05 10:34:07,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011448439] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:07,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:07,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:07,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673416981] [2024-02-05 10:34:07,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:07,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:34:07,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:07,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:34:07,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:34:07,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 82 [2024-02-05 10:34:07,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2024-02-05 10:34:07,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:07,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 82 [2024-02-05 10:34:07,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:07,867 INFO L124 PetriNetUnfolderBase]: 484/1106 cut-off events. [2024-02-05 10:34:07,867 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-02-05 10:34:07,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2106 conditions, 1106 events. 484/1106 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7388 event pairs, 243 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 808. Up to 850 conditions per place. [2024-02-05 10:34:07,872 INFO L140 encePairwiseOnDemand]: 76/82 looper letters, 46 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2024-02-05 10:34:07,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 74 transitions, 278 flow [2024-02-05 10:34:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2024-02-05 10:34:07,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528455284552846 [2024-02-05 10:34:07,873 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 167 flow. Second operand 3 states and 136 transitions. [2024-02-05 10:34:07,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 74 transitions, 278 flow [2024-02-05 10:34:07,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 74 transitions, 273 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-05 10:34:07,875 INFO L231 Difference]: Finished difference. Result has 74 places, 69 transitions, 170 flow [2024-02-05 10:34:07,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=74, PETRI_TRANSITIONS=69} [2024-02-05 10:34:07,876 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-02-05 10:34:07,876 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 170 flow [2024-02-05 10:34:07,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2024-02-05 10:34:07,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:07,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:34:07,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:34:07,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:07,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash 679985131, now seen corresponding path program 1 times [2024-02-05 10:34:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:07,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520383425] [2024-02-05 10:34:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:07,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:07,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:07,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520383425] [2024-02-05 10:34:07,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520383425] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:07,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:07,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:07,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394657836] [2024-02-05 10:34:07,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:07,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:34:07,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:07,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:34:07,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:34:07,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 82 [2024-02-05 10:34:07,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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) [2024-02-05 10:34:07,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:07,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 82 [2024-02-05 10:34:07,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:08,077 INFO L124 PetriNetUnfolderBase]: 547/1231 cut-off events. [2024-02-05 10:34:08,077 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-02-05 10:34:08,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2356 conditions, 1231 events. 547/1231 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8469 event pairs, 217 based on Foata normal form. 1/768 useless extension candidates. Maximal degree in co-relation 1926. Up to 523 conditions per place. [2024-02-05 10:34:08,084 INFO L140 encePairwiseOnDemand]: 74/82 looper letters, 73 selfloop transitions, 6 changer transitions 1/103 dead transitions. [2024-02-05 10:34:08,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 103 transitions, 410 flow [2024-02-05 10:34:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:34:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:34:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 196 transitions. [2024-02-05 10:34:08,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5975609756097561 [2024-02-05 10:34:08,086 INFO L175 Difference]: Start difference. First operand has 74 places, 69 transitions, 170 flow. Second operand 4 states and 196 transitions. [2024-02-05 10:34:08,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 103 transitions, 410 flow [2024-02-05 10:34:08,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 103 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:34:08,091 INFO L231 Difference]: Finished difference. Result has 76 places, 69 transitions, 183 flow [2024-02-05 10:34:08,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=183, PETRI_PLACES=76, PETRI_TRANSITIONS=69} [2024-02-05 10:34:08,093 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2024-02-05 10:34:08,093 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 69 transitions, 183 flow [2024-02-05 10:34:08,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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) [2024-02-05 10:34:08,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:08,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:34:08,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-05 10:34:08,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:08,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -395296968, now seen corresponding path program 1 times [2024-02-05 10:34:08,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:08,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295886252] [2024-02-05 10:34:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:08,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:08,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295886252] [2024-02-05 10:34:08,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295886252] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:08,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:08,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:08,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920270619] [2024-02-05 10:34:08,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:08,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:34:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:34:08,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:34:08,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 82 [2024-02-05 10:34:08,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 69 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-02-05 10:34:08,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:08,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 82 [2024-02-05 10:34:08,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:08,252 INFO L124 PetriNetUnfolderBase]: 547/1213 cut-off events. [2024-02-05 10:34:08,252 INFO L125 PetriNetUnfolderBase]: For 213/213 co-relation queries the response was YES. [2024-02-05 10:34:08,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2451 conditions, 1213 events. 547/1213 cut-off events. For 213/213 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 8496 event pairs, 314 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 1044. Up to 508 conditions per place. [2024-02-05 10:34:08,257 INFO L140 encePairwiseOnDemand]: 77/82 looper letters, 56 selfloop transitions, 5 changer transitions 0/84 dead transitions. [2024-02-05 10:34:08,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 84 transitions, 346 flow [2024-02-05 10:34:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 149 transitions. [2024-02-05 10:34:08,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6056910569105691 [2024-02-05 10:34:08,259 INFO L175 Difference]: Start difference. First operand has 76 places, 69 transitions, 183 flow. Second operand 3 states and 149 transitions. [2024-02-05 10:34:08,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 84 transitions, 346 flow [2024-02-05 10:34:08,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 84 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:34:08,260 INFO L231 Difference]: Finished difference. Result has 75 places, 68 transitions, 181 flow [2024-02-05 10:34:08,261 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=75, PETRI_TRANSITIONS=68} [2024-02-05 10:34:08,261 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -11 predicate places. [2024-02-05 10:34:08,261 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 68 transitions, 181 flow [2024-02-05 10:34:08,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-02-05 10:34:08,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:08,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:34:08,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-05 10:34:08,262 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 70 more)] === [2024-02-05 10:34:08,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash 630696362, now seen corresponding path program 1 times [2024-02-05 10:34:08,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:08,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265613840] [2024-02-05 10:34:08,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:08,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:34:08,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:34:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:34:08,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:34:08,286 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:34:08,286 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 73 remaining) [2024-02-05 10:34:08,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 73 remaining) [2024-02-05 10:34:08,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 73 remaining) [2024-02-05 10:34:08,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 73 remaining) [2024-02-05 10:34:08,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 73 remaining) [2024-02-05 10:34:08,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 73 remaining) [2024-02-05 10:34:08,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (33 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 73 remaining) [2024-02-05 10:34:08,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 73 remaining) [2024-02-05 10:34:08,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 73 remaining) [2024-02-05 10:34:08,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 73 remaining) [2024-02-05 10:34:08,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 73 remaining) [2024-02-05 10:34:08,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 73 remaining) [2024-02-05 10:34:08,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 73 remaining) [2024-02-05 10:34:08,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 73 remaining) [2024-02-05 10:34:08,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-05 10:34:08,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:34:08,304 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:34:08,304 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:34:08,317 INFO L503 ceAbstractionStarter]: Automizer considered 39 witness invariants [2024-02-05 10:34:08,318 INFO L504 ceAbstractionStarter]: WitnessConsidered=39 [2024-02-05 10:34:08,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:34:08 BasicIcfg [2024-02-05 10:34:08,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:34:08,319 INFO L158 Benchmark]: Toolchain (without parser) took 3570.81ms. Allocated memory was 132.1MB in the beginning and 243.3MB in the end (delta: 111.1MB). Free memory was 53.5MB in the beginning and 71.8MB in the end (delta: -18.3MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,319 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:34:08,319 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:34:08,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.04ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 53.2MB in the beginning and 134.6MB in the end (delta: -81.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.99ms. Allocated memory is still 174.1MB. Free memory was 134.6MB in the beginning and 132.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,320 INFO L158 Benchmark]: Boogie Preprocessor took 68.94ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 129.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,320 INFO L158 Benchmark]: RCFGBuilder took 699.12ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 136.9MB in the end (delta: -7.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,320 INFO L158 Benchmark]: TraceAbstraction took 2329.68ms. Allocated memory was 174.1MB in the beginning and 243.3MB in the end (delta: 69.2MB). Free memory was 136.0MB in the beginning and 71.8MB in the end (delta: 64.2MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. [2024-02-05 10:34:08,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.04ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 53.2MB in the beginning and 134.6MB in the end (delta: -81.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.99ms. Allocated memory is still 174.1MB. Free memory was 134.6MB in the beginning and 132.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.94ms. Allocated memory is still 174.1MB. Free memory was 132.2MB in the beginning and 129.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 699.12ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 136.9MB in the end (delta: -7.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2329.68ms. Allocated memory was 174.1MB in the beginning and 243.3MB in the end (delta: 69.2MB). Free memory was 136.0MB in the beginning and 71.8MB in the end (delta: 64.2MB). Peak memory consumption was 134.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 94]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int m1, m2, s, t, x; [L39] _Bool b; [L83] pthread_t t1, t2; VAL [b=0, m1=0, m2=0, s=0, t1={5:0}, t2={3:0}, t=0, x=0] [L86] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L86] m1 = __VERIFIER_nondet_int() [L87] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L87] m2 = __VERIFIER_nondet_int() [L88] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L88] s = __VERIFIER_nondet_int() [L89] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L89] t = __VERIFIER_nondet_int() [L90] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L90] x = __VERIFIER_nondet_int() [L91] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L91] b = __VERIFIER_nondet_bool() [L94] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [b=2, m1=0, m2=0, s=0, t1={5:0}, t2={3:0}, t=0, x=0] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 140 locations, 73 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: 2.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 228 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 598 IncrementalHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 17 mSDtfsCounter, 598 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=5, InterpolantAutomatonStates: 19, 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2024-02-05 10:34:08,359 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE