./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-queue-add-3-nl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-queue-add-3-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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 16:28:23,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 16:28:23,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 16:28:23,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 16:28:23,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 16:28:23,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 16:28:23,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 16:28:23,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 16:28:23,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 16:28:23,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 16:28:23,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 16:28:23,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 16:28:23,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 16:28:23,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 16:28:23,244 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 16:28:23,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 16:28:23,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 16:28:23,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 16:28:23,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 16:28:23,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 16:28:23,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 16:28:23,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 16:28:23,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 16:28:23,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 16:28:23,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 16:28:23,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 16:28:23,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 16:28:23,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 16:28:23,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 16:28:23,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 16:28:23,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 16:28:23,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 16:28:23,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:28:23,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 16:28:23,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 16:28:23,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 16:28:23,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 16:28:23,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 16:28:23,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 16:28:23,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 16:28:23,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 16:28:23,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 16:28:23,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 16:28:23,253 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 16:28:23,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 16:28:23,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 16:28:23,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 16:28:23,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 16:28:23,535 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 16:28:23,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-06-04 16:28:24,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 16:28:24,864 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 16:28:24,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-06-04 16:28:24,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2ac02c7/58ca43f811e245e4ad19f08db5cbc143/FLAGd000d19c1 [2024-06-04 16:28:24,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c2ac02c7/58ca43f811e245e4ad19f08db5cbc143 [2024-06-04 16:28:24,889 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 16:28:24,889 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 16:28:24,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-queue-add-3-nl.wvr.yml/witness.yml [2024-06-04 16:28:24,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 16:28:24,959 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 16:28:24,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 16:28:24,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 16:28:24,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 16:28:24,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:28:24" (1/2) ... [2024-06-04 16:28:24,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685a2bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:28:24, skipping insertion in model container [2024-06-04 16:28:24,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:28:24" (1/2) ... [2024-06-04 16:28:24,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@925341a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:28:24, skipping insertion in model container [2024-06-04 16:28:24,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:28:24" (2/2) ... [2024-06-04 16:28:24,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685a2bfa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:24, skipping insertion in model container [2024-06-04 16:28:24,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:28:24" (2/2) ... [2024-06-04 16:28:24,968 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 16:28:24,980 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 16:28:24,981 INFO L97 edCorrectnessWitness]: Location invariant before [L130-L130] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )C) + (long long )q1_front >= 0LL && (2147483648LL + (long long )C) + (long long )n1 >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )C) + (long long )n2 >= 0LL) && (2147483648LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )C) + (long long )n1 >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )C) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )N >= 0LL) && (2147483647LL + (long long )C) - (long long )n1 >= 0LL) && (2147483647LL + (long long )C) - (long long )n2 >= 0LL) && (2147483647LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )n1 >= 0LL) && (6442450942LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )N >= 0LL) [2024-06-04 16:28:24,981 INFO L97 edCorrectnessWitness]: Location invariant before [L128-L128] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )C) + (long long )q1_front >= 0LL && (2147483648LL + (long long )C) + (long long )n1 >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )C) + (long long )n2 >= 0LL) && (2147483648LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )C) + (long long )n1 >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )C) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )N >= 0LL) && (2147483647LL + (long long )C) - (long long )n1 >= 0LL) && (2147483647LL + (long long )C) - (long long )n2 >= 0LL) && (2147483647LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )n1 >= 0LL) && (6442450942LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )N >= 0LL) [2024-06-04 16:28:24,981 INFO L97 edCorrectnessWitness]: Location invariant before [L129-L129] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )C) + (long long )q1_front >= 0LL && (2147483648LL + (long long )C) + (long long )n1 >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )C) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )C) + (long long )n2 >= 0LL) && (2147483648LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )q1_front >= 0LL) && (6442450943LL - (long long )C) + (long long )n1 >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_front >= 0LL) && (6442450943LL - (long long )C) + (long long )q2_back >= 0LL) && (6442450943LL - (long long )C) + (long long )n2 >= 0LL) && (6442450943LL - (long long )C) + (long long )N >= 0LL) && (2147483647LL + (long long )C) - (long long )n1 >= 0LL) && (2147483647LL + (long long )C) - (long long )n2 >= 0LL) && (2147483647LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )n1 >= 0LL) && (6442450942LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )N >= 0LL) [2024-06-04 16:28:24,981 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 16:28:24,982 INFO L106 edCorrectnessWitness]: ghost_update [L127-L127] multithreaded = 1; [2024-06-04 16:28:25,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 16:28:25,217 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:28:25,226 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-04 16:28:25,352 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:28:25,368 INFO L206 MainTranslator]: Completed translation [2024-06-04 16:28:25,369 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25 WrapperNode [2024-06-04 16:28:25,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 16:28:25,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 16:28:25,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 16:28:25,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 16:28:25,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,439 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 260 [2024-06-04 16:28:25,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 16:28:25,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 16:28:25,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 16:28:25,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 16:28:25,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,498 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-06-04 16:28:25,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 16:28:25,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 16:28:25,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 16:28:25,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 16:28:25,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (1/1) ... [2024-06-04 16:28:25,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:28:25,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 16:28:25,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-04 16:28:25,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-04 16:28:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 16:28:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-04 16:28:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-04 16:28:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-04 16:28:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-04 16:28:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-04 16:28:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-04 16:28:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 16:28:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 16:28:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-04 16:28:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-04 16:28:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-04 16:28:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-04 16:28:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-04 16:28:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 16:28:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 16:28:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-04 16:28:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-04 16:28:25,688 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 16:28:25,787 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 16:28:25,790 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 16:28:26,289 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 16:28:26,289 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 16:28:26,571 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 16:28:26,572 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-06-04 16:28:26,572 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:28:26 BoogieIcfgContainer [2024-06-04 16:28:26,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 16:28:26,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 16:28:26,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 16:28:26,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 16:28:26,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 04:28:24" (1/4) ... [2024-06-04 16:28:26,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7adb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 04:28:26, skipping insertion in model container [2024-06-04 16:28:26,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:28:24" (2/4) ... [2024-06-04 16:28:26,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7adb60 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 04:28:26, skipping insertion in model container [2024-06-04 16:28:26,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:28:25" (3/4) ... [2024-06-04 16:28:26,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7adb60 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 04:28:26, skipping insertion in model container [2024-06-04 16:28:26,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:28:26" (4/4) ... [2024-06-04 16:28:26,587 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-06-04 16:28:26,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 16:28:26,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-04 16:28:26,606 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 16:28:26,669 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-04 16:28:26,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 121 flow [2024-06-04 16:28:26,754 INFO L124 PetriNetUnfolderBase]: 7/47 cut-off events. [2024-06-04 16:28:26,754 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-04 16:28:26,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 7/47 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 80 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-06-04 16:28:26,762 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 50 transitions, 121 flow [2024-06-04 16:28:26,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 45 transitions, 105 flow [2024-06-04 16:28:26,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 16:28:26,782 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;@3008b1a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 16:28:26,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-04 16:28:26,788 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 16:28:26,788 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-06-04 16:28:26,788 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 16:28:26,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 16:28:26,789 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 16:28:26,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-04 16:28:26,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 16:28:26,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1849669042, now seen corresponding path program 1 times [2024-06-04 16:28:26,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 16:28:26,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641019588] [2024-06-04 16:28:26,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 16:28:26,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 16:28:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 16:28:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:28:28,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 16:28:28,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641019588] [2024-06-04 16:28:28,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641019588] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 16:28:28,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 16:28:28,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-04 16:28:28,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410563255] [2024-06-04 16:28:28,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 16:28:28,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-04 16:28:28,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 16:28:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-04 16:28:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-06-04 16:28:28,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-06-04 16:28:28,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 105 flow. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 16:28:28,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 16:28:28,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-06-04 16:28:28,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 16:28:28,926 INFO L124 PetriNetUnfolderBase]: 1999/3225 cut-off events. [2024-06-04 16:28:28,926 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2024-06-04 16:28:28,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6131 conditions, 3225 events. 1999/3225 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 17156 event pairs, 1678 based on Foata normal form. 436/3401 useless extension candidates. Maximal degree in co-relation 4975. Up to 2334 conditions per place. [2024-06-04 16:28:28,950 INFO L140 encePairwiseOnDemand]: 39/50 looper letters, 32 selfloop transitions, 3 changer transitions 22/65 dead transitions. [2024-06-04 16:28:28,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 65 transitions, 271 flow [2024-06-04 16:28:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-04 16:28:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-04 16:28:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 121 transitions. [2024-06-04 16:28:28,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.484 [2024-06-04 16:28:28,963 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 105 flow. Second operand 5 states and 121 transitions. [2024-06-04 16:28:28,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 65 transitions, 271 flow [2024-06-04 16:28:28,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 65 transitions, 255 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-04 16:28:28,971 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 113 flow [2024-06-04 16:28:28,973 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=113, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2024-06-04 16:28:28,976 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-06-04 16:28:28,976 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 113 flow [2024-06-04 16:28:28,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 16:28:28,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 16:28:28,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 16:28:28,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 16:28:28,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-04 16:28:28,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 16:28:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash 57022529, now seen corresponding path program 1 times [2024-06-04 16:28:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 16:28:28,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845730001] [2024-06-04 16:28:28,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 16:28:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 16:28:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 16:28:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:28:29,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 16:28:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845730001] [2024-06-04 16:28:29,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845730001] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-04 16:28:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699647779] [2024-06-04 16:28:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 16:28:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-04 16:28:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 16:28:29,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-06-04 16:28:29,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-04 16:28:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 16:28:29,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 19 conjunts are in the unsatisfiable core [2024-06-04 16:28:29,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-04 16:28:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:28:30,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-04 16:28:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:28:30,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699647779] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-04 16:28:30,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-04 16:28:30,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-06-04 16:28:30,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936477414] [2024-06-04 16:28:30,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-04 16:28:30,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-06-04 16:28:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 16:28:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-06-04 16:28:30,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2024-06-04 16:28:30,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-06-04 16:28:30,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 113 flow. Second operand has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 16:28:30,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 16:28:30,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-06-04 16:28:30,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 16:28:31,571 INFO L124 PetriNetUnfolderBase]: 2340/3818 cut-off events. [2024-06-04 16:28:31,572 INFO L125 PetriNetUnfolderBase]: For 650/650 co-relation queries the response was YES. [2024-06-04 16:28:31,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7423 conditions, 3818 events. 2340/3818 cut-off events. For 650/650 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 21585 event pairs, 1906 based on Foata normal form. 444/3955 useless extension candidates. Maximal degree in co-relation 7406. Up to 1557 conditions per place. [2024-06-04 16:28:31,586 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2024-06-04 16:28:31,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 68 transitions, 290 flow [2024-06-04 16:28:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-04 16:28:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-04 16:28:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2024-06-04 16:28:31,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44 [2024-06-04 16:28:31,597 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 113 flow. Second operand 6 states and 132 transitions. [2024-06-04 16:28:31,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 68 transitions, 290 flow [2024-06-04 16:28:31,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 68 transitions, 284 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-06-04 16:28:31,599 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-06-04 16:28:31,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-06-04 16:28:31,600 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-06-04 16:28:31,600 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-06-04 16:28:31,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 16:28:31,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-04 16:28:31,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-04 16:28:31,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-04 16:28:31,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-04 16:28:31,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-04 16:28:31,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-04 16:28:31,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-04 16:28:31,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-04 16:28:31,820 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 16:28:31,825 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 16:28:31,826 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 16:28:31,834 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-04 16:28:31,834 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-04 16:28:31,835 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 04:28:31 BasicIcfg [2024-06-04 16:28:31,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 16:28:31,836 INFO L158 Benchmark]: Toolchain (without parser) took 6876.62ms. Allocated memory was 148.9MB in the beginning and 325.1MB in the end (delta: 176.2MB). Free memory was 88.6MB in the beginning and 151.0MB in the end (delta: -62.4MB). Peak memory consumption was 179.1MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,837 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 16:28:31,839 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 91.6MB in the end (delta: 409.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 16:28:31,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.96ms. Allocated memory is still 148.9MB. Free memory was 88.2MB in the beginning and 69.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.19ms. Allocated memory is still 148.9MB. Free memory was 69.3MB in the beginning and 65.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,842 INFO L158 Benchmark]: Boogie Preprocessor took 71.87ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 62.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,842 INFO L158 Benchmark]: RCFGBuilder took 1050.71ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 61.8MB in the beginning and 186.5MB in the end (delta: -124.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,843 INFO L158 Benchmark]: TraceAbstraction took 5257.56ms. Allocated memory was 249.6MB in the beginning and 325.1MB in the end (delta: 75.5MB). Free memory was 185.4MB in the beginning and 151.0MB in the end (delta: 34.4MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2024-06-04 16:28:31,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 91.6MB in the end (delta: 409.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.96ms. Allocated memory is still 148.9MB. Free memory was 88.2MB in the beginning and 69.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.19ms. Allocated memory is still 148.9MB. Free memory was 69.3MB in the beginning and 65.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.87ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 62.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.71ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 61.8MB in the beginning and 186.5MB in the end (delta: -124.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5257.56ms. Allocated memory was 249.6MB in the beginning and 325.1MB in the end (delta: 75.5MB). Free memory was 185.4MB in the beginning and 151.0MB in the end (delta: 34.4MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 128]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 129]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 130]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 69 locations, 6 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: 5.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 452 IncrementalHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 0 mSDtfsCounter, 452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 3.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 2 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 16:28:31,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE