./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-05-07_14-17-48.files/mutex-meet/popl20-more-queue-add-2-nl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b44c8288 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/popl20-more-queue-add-2-nl.wvr.c ./goblint.2024-05-07_14-17-48.files/mutex-meet/popl20-more-queue-add-2-nl.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-wip.fs.witness-ghost-b44c828-m [2024-05-12 11:00:57,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 11:00:57,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-05-12 11:00:57,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 11:00:57,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 11:00:57,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 11:00:57,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 11:00:57,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 11:00:57,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 11:00:57,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 11:00:57,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 11:00:57,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 11:00:57,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 11:00:57,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 11:00:57,940 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 11:00:57,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 11:00:57,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 11:00:57,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 11:00:57,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-12 11:00:57,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 11:00:57,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 11:00:57,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 11:00:57,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 11:00:57,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 11:00:57,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 11:00:57,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 11:00:57,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 11:00:57,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 11:00:57,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 11:00:57,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 11:00:57,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 11:00:57,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 11:00:57,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 11:00:57,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 11:00:57,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 11:00:57,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 11:00:57,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-12 11:00:57,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-12 11:00:57,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 11:00:57,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 11:00:57,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 11:00:57,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 11:00:57,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 11:00:57,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 11:00:58,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 11:00:58,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 11:00:58,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 11:00:58,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 11:00:58,196 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 11:00:58,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-05-12 11:00:59,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 11:00:59,472 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 11:00:59,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-05-12 11:00:59,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74acf2436/97498206d7204fa9b873bcad3fff686f/FLAG14a929457 [2024-05-12 11:00:59,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74acf2436/97498206d7204fa9b873bcad3fff686f [2024-05-12 11:00:59,490 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 11:00:59,500 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 11:00:59,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/mutex-meet/popl20-more-queue-add-2-nl.wvr.yml/witness.yml [2024-05-12 11:00:59,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 11:00:59,578 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 11:00:59,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 11:00:59,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 11:00:59,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 11:00:59,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 11:00:59" (1/2) ... [2024-05-12 11:00:59,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74808169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 11:00:59, skipping insertion in model container [2024-05-12 11:00:59,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 11:00:59" (1/2) ... [2024-05-12 11:00:59,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d4a039e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 11:00:59, skipping insertion in model container [2024-05-12 11:00:59,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 11:00:59" (2/2) ... [2024-05-12 11:00:59,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74808169 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59, skipping insertion in model container [2024-05-12 11:00:59,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 11:00:59" (2/2) ... [2024-05-12 11:00:59,589 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 11:00:59,604 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 11:00:59,605 INFO L97 edCorrectnessWitness]: Location invariant before [L101-L101] ! multithreaded || (((((((((((((((((((2147483648LL + (long long )C) + (long long )q_front >= 0LL && (2147483648LL + (long long )C) + (long long )n >= 0LL) && (2147483648LL + (long long )C) + (long long )N >= 0LL) && (4294967295LL + (long long )q_back) + (long long )q_front >= 0LL) && (4294967296LL + (long long )n) + (long long )q_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q_front >= 0LL) && (4294967296LL + (long long )N) + (long long )n >= 0LL) && (4294967295LL - (long long )n) + (long long )q_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q_front >= 0LL) && (4294967295LL - (long long )N) + (long long )n >= 0LL) && (6442450943LL - (long long )C) + (long long )q_front >= 0LL) && (6442450943LL - (long long )C) + (long long )n >= 0LL) && (6442450943LL - (long long )C) + (long long )N >= 0LL) && (2147483647LL + (long long )C) - (long long )n >= 0LL) && (2147483647LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )N) - (long long )n >= 0LL) && (4294967294LL - (long long )N) - (long long )n >= 0LL) && (6442450942LL - (long long )C) - (long long )n >= 0LL) && (6442450942LL - (long long )C) - (long long )N >= 0LL) [2024-05-12 11:00:59,605 INFO L97 edCorrectnessWitness]: Location invariant before [L100-L100] ! multithreaded || (((((((((((((((((((2147483648LL + (long long )C) + (long long )q_front >= 0LL && (2147483648LL + (long long )C) + (long long )n >= 0LL) && (2147483648LL + (long long )C) + (long long )N >= 0LL) && (4294967295LL + (long long )q_back) + (long long )q_front >= 0LL) && (4294967296LL + (long long )n) + (long long )q_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q_front >= 0LL) && (4294967296LL + (long long )N) + (long long )n >= 0LL) && (4294967295LL - (long long )n) + (long long )q_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q_front >= 0LL) && (4294967295LL - (long long )N) + (long long )n >= 0LL) && (6442450943LL - (long long )C) + (long long )q_front >= 0LL) && (6442450943LL - (long long )C) + (long long )n >= 0LL) && (6442450943LL - (long long )C) + (long long )N >= 0LL) && (2147483647LL + (long long )C) - (long long )n >= 0LL) && (2147483647LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )N) - (long long )n >= 0LL) && (4294967294LL - (long long )N) - (long long )n >= 0LL) && (6442450942LL - (long long )C) - (long long )n >= 0LL) && (6442450942LL - (long long )C) - (long long )N >= 0LL) [2024-05-12 11:00:59,605 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 11:00:59,605 INFO L106 edCorrectnessWitness]: ghost_update [L99-L99] multithreaded = 1; [2024-05-12 11:00:59,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 11:00:59,757 WARN L246 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2024-05-12 11:00:59,763 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 11:00:59,769 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-05-12 11:00:59,827 WARN L246 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2024-05-12 11:00:59,833 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 11:00:59,848 INFO L206 MainTranslator]: Completed translation [2024-05-12 11:00:59,848 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59 WrapperNode [2024-05-12 11:00:59,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 11:00:59,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-12 11:00:59,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-12 11:00:59,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-12 11:00:59,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,892 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 174 [2024-05-12 11:00:59,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-12 11:00:59,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-12 11:00:59,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-12 11:00:59,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-12 11:00:59,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,931 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 2, 4, 2]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-05-12 11:00:59,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-12 11:00:59,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-12 11:00:59,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-12 11:00:59,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-12 11:00:59,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (1/1) ... [2024-05-12 11:00:59,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 11:00:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-05-12 11:00:59,995 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) [2024-05-12 11:01:00,016 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 [2024-05-12 11:01:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-05-12 11:01:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-05-12 11:01:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-05-12 11:01:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-05-12 11:01:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-05-12 11:01:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-12 11:01:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-12 11:01:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-12 11:01:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-12 11:01:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-05-12 11:01:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-05-12 11:01:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-05-12 11:01:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-05-12 11:01:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-12 11:01:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-12 11:01:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-12 11:01:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-12 11:01:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-12 11:01:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-12 11:01:00,037 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-12 11:01:00,144 INFO L244 CfgBuilder]: Building ICFG [2024-05-12 11:01:00,146 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-12 11:01:00,463 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-05-12 11:01:00,464 INFO L293 CfgBuilder]: Performing block encoding [2024-05-12 11:01:00,647 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-12 11:01:00,647 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-12 11:01:00,648 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.05 11:01:00 BoogieIcfgContainer [2024-05-12 11:01:00,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-12 11:01:00,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-12 11:01:00,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-12 11:01:00,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-12 11:01:00,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.05 11:00:59" (1/4) ... [2024-05-12 11:01:00,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791cba87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.05 11:01:00, skipping insertion in model container [2024-05-12 11:01:00,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 11:00:59" (2/4) ... [2024-05-12 11:01:00,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791cba87 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 12.05 11:01:00, skipping insertion in model container [2024-05-12 11:01:00,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 11:00:59" (3/4) ... [2024-05-12 11:01:00,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791cba87 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 12.05 11:01:00, skipping insertion in model container [2024-05-12 11:01:00,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.05 11:01:00" (4/4) ... [2024-05-12 11:01:00,656 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2024-05-12 11:01:00,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-12 11:01:00,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-05-12 11:01:00,671 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-12 11:01:00,702 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-12 11:01:00,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 36 transitions, 86 flow [2024-05-12 11:01:00,764 INFO L124 PetriNetUnfolderBase]: 4/34 cut-off events. [2024-05-12 11:01:00,765 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-05-12 11:01:00,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 34 events. 4/34 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2024-05-12 11:01:00,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 36 transitions, 86 flow [2024-05-12 11:01:00,776 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 33 transitions, 78 flow [2024-05-12 11:01:00,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-12 11:01:00,792 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;@16af280b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-12 11:01:00,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-12 11:01:00,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-05-12 11:01:00,797 INFO L124 PetriNetUnfolderBase]: 1/8 cut-off events. [2024-05-12 11:01:00,797 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-05-12 11:01:00,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-05-12 11:01:00,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-05-12 11:01:00,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-12 11:01:00,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-12 11:01:00,802 INFO L85 PathProgramCache]: Analyzing trace with hash 421745151, now seen corresponding path program 1 times [2024-05-12 11:01:00,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-12 11:01:00,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189791433] [2024-05-12 11:01:00,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-12 11:01:00,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-12 11:01:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-12 11:01:01,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-12 11:01:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-12 11:01:01,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-12 11:01:01,070 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-12 11:01:01,071 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-05-12 11:01:01,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-05-12 11:01:01,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-05-12 11:01:01,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-05-12 11:01:01,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-05-12 11:01:01,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-12 11:01:01,074 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-05-12 11:01:01,095 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-12 11:01:01,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-12 11:01:01,112 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-05-12 11:01:01,112 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-05-12 11:01:01,113 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.05 11:01:01 BasicIcfg [2024-05-12 11:01:01,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-12 11:01:01,114 INFO L158 Benchmark]: Toolchain (without parser) took 1535.28ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 105.8MB in the beginning and 148.5MB in the end (delta: -42.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-05-12 11:01:01,114 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 11:01:01,114 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 11:01:01,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.56ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 105.6MB in the beginning and 152.5MB in the end (delta: -46.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-05-12 11:01:01,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.34ms. Allocated memory is still 192.9MB. Free memory was 152.5MB in the beginning and 149.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-05-12 11:01:01,115 INFO L158 Benchmark]: Boogie Preprocessor took 56.97ms. Allocated memory is still 192.9MB. Free memory was 149.3MB in the beginning and 147.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-05-12 11:01:01,116 INFO L158 Benchmark]: RCFGBuilder took 697.33ms. Allocated memory is still 192.9MB. Free memory was 147.2MB in the beginning and 88.5MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-05-12 11:01:01,116 INFO L158 Benchmark]: TraceAbstraction took 462.63ms. Allocated memory is still 192.9MB. Free memory was 87.5MB in the beginning and 148.5MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 11:01:01,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.56ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 105.6MB in the beginning and 152.5MB in the end (delta: -46.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.34ms. Allocated memory is still 192.9MB. Free memory was 152.5MB in the beginning and 149.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.97ms. Allocated memory is still 192.9MB. Free memory was 149.3MB in the beginning and 147.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.33ms. Allocated memory is still 192.9MB. Free memory was 147.2MB in the beginning and 88.5MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 462.63ms. Allocated memory is still 192.9MB. Free memory was 87.5MB in the beginning and 148.5MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 100]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1] 0 //@ ghost int multithreaded = 0; [L42] 0 int* q; [L43] 0 int q_front, q_back, n, s, N; [L44] 0 unsigned int x, y, C; [L87] 0 pthread_t t1, t2; [L89] 0 C = __VERIFIER_nondet_uint() [L90] 0 N = __VERIFIER_nondet_int() [L91] 0 n = __VERIFIER_nondet_int() [L92] 0 q_front = __VERIFIER_nondet_int() [L93] 0 q_back = q_front [L94] CALL, EXPR 0 create_fresh_int_array(n) [L111] CALL 0 assume_abort_if_not(size >= 0) [L39] COND FALSE 0 !(!cond) [L111] RET 0 assume_abort_if_not(size >= 0) [L112] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L39] COND FALSE 0 !(!cond) [L112] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L114] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L115] 0 int i = 0; VAL [N=0, \old(size)=0, arr={-2:0}, i=0, n=0, q={0:0}, q_back=-2147483648, q_front=-2147483648, s=0, size=0, x=0, y=0] [L115] COND FALSE 0 !(i < size) [L118] 0 return arr; [L94] RET, EXPR 0 create_fresh_int_array(n) [L94] 0 q = create_fresh_int_array(n) [L96] CALL 0 assume_abort_if_not(N >= 0) [L39] COND FALSE 0 !(!cond) [L96] RET 0 assume_abort_if_not(N >= 0) [L99] 0 //@ ghost multithreaded = 1; [L99] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [N=0, n=0, q={-2:0}, q_back=-2147483648, q_front=-2147483648, s=0, t1={5:0}, t2={3:0}, x=0, y=0] [L100] 0 //@ assert (!multithreaded || (((((((((((((((((((((2147483648LL + (long long) C) + (long long) q_front) >= 0LL) && (((2147483648LL + (long long) C) + (long long) n) >= 0LL)) && (((2147483648LL + (long long) C) + (long long) N) >= 0LL)) && (((4294967295LL + (long long) q_back) + (long long) q_front) >= 0LL)) && (((4294967296LL + (long long) n) + (long long) q_front) >= 0LL)) && (((4294967296LL + (long long) N) + (long long) q_front) >= 0LL)) && (((4294967296LL + (long long) N) + (long long) n) >= 0LL)) && (((4294967295LL - (long long) n) + (long long) q_front) >= 0LL)) && (((4294967295LL - (long long) N) + (long long) q_front) >= 0LL)) && (((4294967295LL - (long long) N) + (long long) n) >= 0LL)) && (((6442450943LL - (long long) C) + (long long) q_front) >= 0LL)) && (((6442450943LL - (long long) C) + (long long) n) >= 0LL)) && (((6442450943LL - (long long) C) + (long long) N) >= 0LL)) && (((2147483647LL + (long long) C) - (long long) n) >= 0LL)) && (((2147483647LL + (long long) C) - (long long) N) >= 0LL)) && (((4294967295LL + (long long) N) - (long long) n) >= 0LL)) && (((4294967294LL - (long long) N) - (long long) n) >= 0LL)) && (((6442450942LL - (long long) C) - (long long) n) >= 0LL)) && (((6442450942LL - (long long) C) - (long long) N) >= 0LL))); VAL [C=0, N=0, n=0, q={-2:0}, q_back=-2147483648, q_front=-2147483648, s=0, t1={5:0}, t2={3:0}, x=0, y=0] - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: 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: 99]: 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: 100]: 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, 49 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2024-05-12 11:01:01,147 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