./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-commit-1.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-commit-1.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-commit-1.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-commit-1.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 [2024-06-03 21:01:46,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 21:01:46,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 21:01:46,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 21:01:46,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 21:01:46,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 21:01:46,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 21:01:46,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 21:01:46,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 21:01:46,363 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 21:01:46,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 21:01:46,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 21:01:46,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 21:01:46,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 21:01:46,366 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 21:01:46,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 21:01:46,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 21:01:46,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 21:01:46,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 21:01:46,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 21:01:46,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 21:01:46,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 21:01:46,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 21:01:46,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 21:01:46,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 21:01:46,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 21:01:46,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 21:01:46,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 21:01:46,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 21:01:46,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 21:01:46,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 21:01:46,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 21:01:46,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:01:46,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 21:01:46,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 21:01:46,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 21:01:46,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 21:01:46,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 21:01:46,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 21:01:46,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 21:01:46,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 21:01:46,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 21:01:46,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 21:01:46,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 21:01:46,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 21:01:46,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 21:01:46,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 21:01:46,627 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 21:01:46,628 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 21:01:46,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-commit-1.wvr.yml/witness.yml [2024-06-03 21:01:46,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 21:01:46,738 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 21:01:46,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-03 21:01:47,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 21:01:48,050 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 21:01:48,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-03 21:01:48,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a589faa57/7b5ef1c1b89d46868de1c32b75974ee2/FLAG859158032 [2024-06-03 21:01:48,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a589faa57/7b5ef1c1b89d46868de1c32b75974ee2 [2024-06-03 21:01:48,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 21:01:48,077 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 21:01:48,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 21:01:48,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 21:01:48,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 21:01:48,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:46" (1/2) ... [2024-06-03 21:01:48,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8424695 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:48, skipping insertion in model container [2024-06-03 21:01:48,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:46" (1/2) ... [2024-06-03 21:01:48,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75652ba1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:48, skipping insertion in model container [2024-06-03 21:01:48,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:01:48" (2/2) ... [2024-06-03 21:01:48,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8424695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48, skipping insertion in model container [2024-06-03 21:01:48,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:01:48" (2/2) ... [2024-06-03 21:01:48,091 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 21:01:48,104 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 21:01:48,108 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )client_size) + (long long )manager_size >= 0LL && (4294967296LL + (long long )client_size) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_size) + (long long )update >= 0LL) && (4294967296LL + (long long )client_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_front) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_front) + (long long )update >= 0LL) && (4294967296LL + (long long )client_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_back) + (long long )update >= 0LL) && (4294967296LL + (long long )client_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_size) + (long long )update >= 0LL) && (4294967296LL + (long long )node_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_front) + (long long )update >= 0LL) && (4294967296LL + (long long )node_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )node_back) + (long long )update >= 0LL) && (4294967296LL + (long long )node_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )ok) + (long long )update >= 0LL) && (2147483649LL - (long long )safe) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_size) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_size) + (long long )update >= 0LL) && (4294967295LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )ok) + (long long )update >= 0LL) && (2147483649LL + (long long )client_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )ok) - (long long )safe >= 0LL) && (4294967295LL + (long long )client_size) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )update >= 0LL) && (4294967295LL + (long long )client_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_front) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )update >= 0LL) && (4294967295LL + (long long )client_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )update >= 0LL) && (4294967295LL + (long long )client_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_size) - (long long )update >= 0LL) && (4294967295LL + (long long )node_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_front) - (long long )update >= 0LL) && (4294967295LL + (long long )node_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_back) - (long long )update >= 0LL) && (4294967295LL + (long long )node_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )ok) - (long long )update >= 0LL) && (2147483648LL - (long long )client_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )ok) - (long long )safe >= 0LL) && (2147483648LL - (long long )safe) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )manager_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_size) - (long long )update >= 0LL) && (4294967294LL - (long long )node_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )ok) - (long long )update >= 0LL) [2024-06-03 21:01:48,109 INFO L97 edCorrectnessWitness]: Location invariant before [L141-L141] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )client_size) + (long long )manager_size >= 0LL && (4294967296LL + (long long )client_size) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_size) + (long long )update >= 0LL) && (4294967296LL + (long long )client_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_front) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_front) + (long long )update >= 0LL) && (4294967296LL + (long long )client_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_back) + (long long )update >= 0LL) && (4294967296LL + (long long )client_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_size) + (long long )update >= 0LL) && (4294967296LL + (long long )node_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_front) + (long long )update >= 0LL) && (4294967296LL + (long long )node_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )node_back) + (long long )update >= 0LL) && (4294967296LL + (long long )node_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )ok) + (long long )update >= 0LL) && (2147483649LL - (long long )safe) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_size) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_size) + (long long )update >= 0LL) && (4294967295LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )ok) + (long long )update >= 0LL) && (2147483649LL + (long long )client_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )ok) - (long long )safe >= 0LL) && (4294967295LL + (long long )client_size) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )update >= 0LL) && (4294967295LL + (long long )client_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_front) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )update >= 0LL) && (4294967295LL + (long long )client_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )update >= 0LL) && (4294967295LL + (long long )client_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_size) - (long long )update >= 0LL) && (4294967295LL + (long long )node_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_front) - (long long )update >= 0LL) && (4294967295LL + (long long )node_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_back) - (long long )update >= 0LL) && (4294967295LL + (long long )node_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )ok) - (long long )update >= 0LL) && (2147483648LL - (long long )client_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )ok) - (long long )safe >= 0LL) && (2147483648LL - (long long )safe) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )manager_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_size) - (long long )update >= 0LL) && (4294967294LL - (long long )node_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )ok) - (long long )update >= 0LL) [2024-06-03 21:01:48,109 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )client_size) + (long long )manager_size >= 0LL && (4294967296LL + (long long )client_size) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_size) + (long long )update >= 0LL) && (4294967296LL + (long long )client_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_front) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_front) + (long long )update >= 0LL) && (4294967296LL + (long long )client_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )client_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )manager_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )client_back) + (long long )node_back >= 0LL) && (4294967296LL + (long long )client_back) + (long long )update >= 0LL) && (4294967296LL + (long long )client_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )manager_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_front >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )node_back >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )update >= 0LL) && (4294967296LL + (long long )manager_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_size) + (long long )update >= 0LL) && (4294967296LL + (long long )node_size) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_front) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_front) + (long long )update >= 0LL) && (4294967296LL + (long long )node_front) + (long long )ok >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_size >= 0LL) && (4294967296LL + (long long )node_back) + (long long )node_front >= 0LL) && (4294967296LL + (long long )node_back) + (long long )update >= 0LL) && (4294967296LL + (long long )node_back) + (long long )ok >= 0LL) && (4294967296LL + (long long )ok) + (long long )update >= 0LL) && (2147483649LL - (long long )safe) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )manager_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_size) + (long long )update >= 0LL) && (4294967295LL - (long long )client_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_size >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_size) + (long long )update >= 0LL) && (4294967295LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )ok) + (long long )update >= 0LL) && (2147483649LL + (long long )client_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )client_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )manager_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_size) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_front) - (long long )safe >= 0LL) && (2147483649LL + (long long )node_back) - (long long )safe >= 0LL) && (2147483649LL + (long long )ok) - (long long )safe >= 0LL) && (4294967295LL + (long long )client_size) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_size) - (long long )update >= 0LL) && (4294967295LL + (long long )client_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_front) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )update >= 0LL) && (4294967295LL + (long long )client_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_back) - (long long )update >= 0LL) && (4294967295LL + (long long )client_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )manager_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )update >= 0LL) && (4294967295LL + (long long )manager_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_size) - (long long )update >= 0LL) && (4294967295LL + (long long )node_size) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_front) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_front) - (long long )update >= 0LL) && (4294967295LL + (long long )node_front) - (long long )ok >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )node_back) - (long long )update >= 0LL) && (4294967295LL + (long long )node_back) - (long long )ok >= 0LL) && (4294967295LL + (long long )ok) - (long long )update >= 0LL) && (2147483648LL - (long long )client_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483648LL - (long long )ok) - (long long )safe >= 0LL) && (2147483648LL - (long long )safe) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )manager_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_size) - (long long )update >= 0LL) && (4294967294LL - (long long )client_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )node_size >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_size) - (long long )update >= 0LL) && (4294967294LL - (long long )node_size) - (long long )ok >= 0LL) && (4294967294LL - (long long )ok) - (long long )update >= 0LL) [2024-06-03 21:01:48,109 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 21:01:48,110 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-06-03 21:01:48,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 21:01:48,291 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:01:48,312 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 21:01:48,446 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:01:48,472 INFO L206 MainTranslator]: Completed translation [2024-06-03 21:01:48,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48 WrapperNode [2024-06-03 21:01:48,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 21:01:48,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 21:01:48,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 21:01:48,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 21:01:48,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,559 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 342 [2024-06-03 21:01:48,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 21:01:48,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 21:01:48,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 21:01:48,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 21:01:48,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,599 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-06-03 21:01:48,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 21:01:48,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 21:01:48,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 21:01:48,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 21:01:48,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (1/1) ... [2024-06-03 21:01:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:01:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:01:48,681 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) [2024-06-03 21:01:48,684 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 [2024-06-03 21:01:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 21:01:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-03 21:01:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-03 21:01:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-03 21:01:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-03 21:01:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-03 21:01:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-03 21:01:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 21:01:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 21:01:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-03 21:01:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-03 21:01:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 21:01:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 21:01:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-03 21:01:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 21:01:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 21:01:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-03 21:01:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-03 21:01:48,741 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 21:01:48,859 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 21:01:48,860 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 21:01:49,456 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 21:01:49,456 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 21:01:49,701 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 21:01:49,702 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-03 21:01:49,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:01:49 BoogieIcfgContainer [2024-06-03 21:01:49,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 21:01:49,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 21:01:49,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 21:01:49,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 21:01:49,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:46" (1/4) ... [2024-06-03 21:01:49,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae616e5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:01:49, skipping insertion in model container [2024-06-03 21:01:49,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 09:01:48" (2/4) ... [2024-06-03 21:01:49,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae616e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 09:01:49, skipping insertion in model container [2024-06-03 21:01:49,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:48" (3/4) ... [2024-06-03 21:01:49,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae616e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 09:01:49, skipping insertion in model container [2024-06-03 21:01:49,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:01:49" (4/4) ... [2024-06-03 21:01:49,712 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-06-03 21:01:49,728 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 21:01:49,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-03 21:01:49,728 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 21:01:49,786 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-03 21:01:49,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 51 transitions, 123 flow [2024-06-03 21:01:49,842 INFO L124 PetriNetUnfolderBase]: 9/48 cut-off events. [2024-06-03 21:01:49,842 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-03 21:01:49,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 9/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2024-06-03 21:01:49,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 51 transitions, 123 flow [2024-06-03 21:01:49,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 46 transitions, 107 flow [2024-06-03 21:01:49,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 21:01:49,870 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;@2586a390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 21:01:49,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-03 21:01:49,899 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 21:01:49,899 INFO L124 PetriNetUnfolderBase]: 4/16 cut-off events. [2024-06-03 21:01:49,900 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 21:01:49,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:49,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:49,901 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)] === [2024-06-03 21:01:49,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:49,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1672413335, now seen corresponding path program 1 times [2024-06-03 21:01:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:49,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242938444] [2024-06-03 21:01:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:01:51,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:51,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242938444] [2024-06-03 21:01:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242938444] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:01:51,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:01:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 21:01:51,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091190111] [2024-06-03 21:01:51,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:01:51,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 21:01:51,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:01:51,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 21:01:51,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-03 21:01:51,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 51 [2024-06-03 21:01:51,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-06-03 21:01:51,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:01:51,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 51 [2024-06-03 21:01:51,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:01:52,772 INFO L124 PetriNetUnfolderBase]: 3456/5041 cut-off events. [2024-06-03 21:01:52,773 INFO L125 PetriNetUnfolderBase]: For 246/246 co-relation queries the response was YES. [2024-06-03 21:01:52,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10262 conditions, 5041 events. 3456/5041 cut-off events. For 246/246 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 23973 event pairs, 2982 based on Foata normal form. 319/4624 useless extension candidates. Maximal degree in co-relation 7776. Up to 3941 conditions per place. [2024-06-03 21:01:52,793 INFO L140 encePairwiseOnDemand]: 35/51 looper letters, 39 selfloop transitions, 6 changer transitions 27/73 dead transitions. [2024-06-03 21:01:52,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 73 transitions, 320 flow [2024-06-03 21:01:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 21:01:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 21:01:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2024-06-03 21:01:52,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35294117647058826 [2024-06-03 21:01:52,804 INFO L175 Difference]: Start difference. First operand has 47 places, 46 transitions, 107 flow. Second operand 6 states and 108 transitions. [2024-06-03 21:01:52,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 73 transitions, 320 flow [2024-06-03 21:01:52,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 73 transitions, 302 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-03 21:01:52,811 INFO L231 Difference]: Finished difference. Result has 51 places, 46 transitions, 140 flow [2024-06-03 21:01:52,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=140, PETRI_PLACES=51, PETRI_TRANSITIONS=46} [2024-06-03 21:01:52,814 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 4 predicate places. [2024-06-03 21:01:52,815 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 46 transitions, 140 flow [2024-06-03 21:01:52,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-06-03 21:01:52,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:52,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:52,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 21:01:52,815 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)] === [2024-06-03 21:01:52,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:52,816 INFO L85 PathProgramCache]: Analyzing trace with hash 62635651, now seen corresponding path program 1 times [2024-06-03 21:01:52,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:52,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358380858] [2024-06-03 21:01:52,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:52,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:01:54,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:54,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358380858] [2024-06-03 21:01:54,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358380858] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-03 21:01:54,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414317459] [2024-06-03 21:01:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:54,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-03 21:01:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:01:54,132 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) [2024-06-03 21:01:54,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-03 21:01:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:54,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 42 conjunts are in the unsatisfiable core [2024-06-03 21:01:54,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-03 21:01:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:01:54,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-03 21:02:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:02:01,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414317459] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-03 21:02:01,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-03 21:02:01,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-03 21:02:01,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205610596] [2024-06-03 21:02:01,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-03 21:02:01,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-03 21:02:01,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:02:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-03 21:02:01,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-06-03 21:02:01,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 51 [2024-06-03 21:02:01,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 140 flow. Second operand has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 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) [2024-06-03 21:02:01,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:02:01,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 51 [2024-06-03 21:02:01,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:02:10,464 INFO L124 PetriNetUnfolderBase]: 8873/12790 cut-off events. [2024-06-03 21:02:10,465 INFO L125 PetriNetUnfolderBase]: For 1739/1739 co-relation queries the response was YES. [2024-06-03 21:02:10,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28135 conditions, 12790 events. 8873/12790 cut-off events. For 1739/1739 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 69551 event pairs, 6854 based on Foata normal form. 879/12019 useless extension candidates. Maximal degree in co-relation 17192. Up to 3821 conditions per place. [2024-06-03 21:02:10,513 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 76 selfloop transitions, 34 changer transitions 87/198 dead transitions. [2024-06-03 21:02:10,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 198 transitions, 962 flow [2024-06-03 21:02:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-06-03 21:02:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-06-03 21:02:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 274 transitions. [2024-06-03 21:02:10,523 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3160322952710496 [2024-06-03 21:02:10,524 INFO L175 Difference]: Start difference. First operand has 51 places, 46 transitions, 140 flow. Second operand 17 states and 274 transitions. [2024-06-03 21:02:10,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 198 transitions, 962 flow [2024-06-03 21:02:10,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 198 transitions, 952 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-06-03 21:02:10,533 INFO L231 Difference]: Finished difference. Result has 66 places, 78 transitions, 387 flow [2024-06-03 21:02:10,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=387, PETRI_PLACES=66, PETRI_TRANSITIONS=78} [2024-06-03 21:02:10,534 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 19 predicate places. [2024-06-03 21:02:10,534 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 78 transitions, 387 flow [2024-06-03 21:02:10,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 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) [2024-06-03 21:02:10,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:02:10,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:02:10,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-03 21:02:10,746 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 [2024-06-03 21:02:10,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 21:02:10,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:02:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1330928486, now seen corresponding path program 1 times [2024-06-03 21:02:10,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:02:10,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925200642] [2024-06-03 21:02:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:02:10,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:02:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:02:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:02:12,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:02:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925200642] [2024-06-03 21:02:12,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925200642] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-03 21:02:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570651156] [2024-06-03 21:02:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:02:12,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-03 21:02:12,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:02:12,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-06-03 21:02:12,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-06-03 21:02:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:02:12,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 41 conjunts are in the unsatisfiable core [2024-06-03 21:02:12,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-03 21:02:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:02:12,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-03 21:02:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:02:18,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570651156] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-03 21:02:18,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-03 21:02:18,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-03 21:02:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247134107] [2024-06-03 21:02:18,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-03 21:02:18,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-03 21:02:18,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:02:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-03 21:02:18,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-06-03 21:02:18,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 51 [2024-06-03 21:02:18,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 78 transitions, 387 flow. Second operand has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 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) [2024-06-03 21:02:18,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:02:18,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 51 [2024-06-03 21:02:18,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:02:26,793 INFO L124 PetriNetUnfolderBase]: 7761/11319 cut-off events. [2024-06-03 21:02:26,793 INFO L125 PetriNetUnfolderBase]: For 19122/19122 co-relation queries the response was YES. [2024-06-03 21:02:26,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27412 conditions, 11319 events. 7761/11319 cut-off events. For 19122/19122 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 62968 event pairs, 3546 based on Foata normal form. 1781/11467 useless extension candidates. Maximal degree in co-relation 21025. Up to 5769 conditions per place. [2024-06-03 21:02:26,816 INFO L140 encePairwiseOnDemand]: 37/51 looper letters, 0 selfloop transitions, 0 changer transitions 157/157 dead transitions. [2024-06-03 21:02:26,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 157 transitions, 926 flow [2024-06-03 21:02:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-06-03 21:02:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-06-03 21:02:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 188 transitions. [2024-06-03 21:02:26,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28355957767722473 [2024-06-03 21:02:26,824 INFO L175 Difference]: Start difference. First operand has 66 places, 78 transitions, 387 flow. Second operand 13 states and 188 transitions. [2024-06-03 21:02:26,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 157 transitions, 926 flow [2024-06-03 21:02:26,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 157 transitions, 795 flow, removed 57 selfloop flow, removed 4 redundant places. [2024-06-03 21:02:26,833 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2024-06-03 21:02:26,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2024-06-03 21:02:26,834 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 20 predicate places. [2024-06-03 21:02:26,834 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2024-06-03 21:02:26,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 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) [2024-06-03 21:02:26,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-03 21:02:26,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-03 21:02:26,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-03 21:02:26,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-03 21:02:26,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-03 21:02:26,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-03 21:02:26,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-06-03 21:02:27,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-06-03 21:02:27,049 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-06-03 21:02:27,052 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 21:02:27,052 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 21:02:27,055 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-03 21:02:27,055 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-03 21:02:27,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 09:02:27 BasicIcfg [2024-06-03 21:02:27,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 21:02:27,056 INFO L158 Benchmark]: Toolchain (without parser) took 38979.18ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 129.9MB in the beginning and 1.0GB in the end (delta: -881.2MB). Peak memory consumption was 883.1MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,056 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:02:27,057 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:02:27,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.14ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 106.9MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.59ms. Allocated memory is still 159.4MB. Free memory was 106.9MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,061 INFO L158 Benchmark]: Boogie Preprocessor took 80.26ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 96.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,061 INFO L158 Benchmark]: RCFGBuilder took 1060.82ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 86.8MB in the end (delta: 9.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,061 INFO L158 Benchmark]: TraceAbstraction took 37351.51ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 86.8MB in the beginning and 1.0GB in the end (delta: -924.2MB). Peak memory consumption was 839.9MB. Max. memory is 16.1GB. [2024-06-03 21:02:27,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.14ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 106.9MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.59ms. Allocated memory is still 159.4MB. Free memory was 106.9MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.26ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 96.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1060.82ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 86.8MB in the end (delta: 9.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * TraceAbstraction took 37351.51ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 86.8MB in the beginning and 1.0GB in the end (delta: -924.2MB). Peak memory consumption was 839.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 141]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: 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, 66 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: 37.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 537 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1562 IncrementalHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 4 mSDtfsCounter, 1562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=387occurred in iteration=2, InterpolantAutomatonStates: 36, 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, 0.2s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 8804 SizeOfPredicates, 6 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 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! [2024-06-03 21:02:27,099 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