./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 cde23df1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/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-cde23df-m [2024-06-14 14:19:54,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:19:54,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:19:54,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:19:54,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:19:54,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:19:54,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:19:54,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:19:54,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:19:54,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:19:54,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:19:54,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:19:54,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:19:54,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:19:54,243 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:19:54,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:19:54,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:19:54,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:19:54,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:19:54,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:19:54,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:19:54,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:19:54,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:19:54,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:19:54,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:19:54,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:19:54,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:19:54,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:19:54,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:19:54,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:19:54,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:19:54,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:19:54,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:54,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:19:54,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:19:54,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:19:54,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:19:54,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:19:54,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:19:54,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:19:54,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:19:54,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:19:54,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:19:54,251 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:19:54,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:19:54,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:19:54,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:19:54,563 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:19:54,564 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:19:54,565 INFO L431 ainManager$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 [2024-06-14 14:19:54,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:19:54,677 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:19:54,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-14 14:19:55,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:19:56,211 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:19:56,212 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-14 14:19:56,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44588e3c0/5ce944ce54e342daa60c187927403710/FLAG335dc108a [2024-06-14 14:19:56,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44588e3c0/5ce944ce54e342daa60c187927403710 [2024-06-14 14:19:56,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:19:56,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:19:56,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:56,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:19:56,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:19:56,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:54" (1/2) ... [2024-06-14 14:19:56,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0e1cdc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:56, skipping insertion in model container [2024-06-14 14:19:56,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:54" (1/2) ... [2024-06-14 14:19:56,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@740c4412 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:56, skipping insertion in model container [2024-06-14 14:19:56,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:56" (2/2) ... [2024-06-14 14:19:56,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0e1cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56, skipping insertion in model container [2024-06-14 14:19:56,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:56" (2/2) ... [2024-06-14 14:19:56,257 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:19:56,276 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:19:56,277 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) [2024-06-14 14:19:56,278 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) [2024-06-14 14:19:56,278 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) [2024-06-14 14:19:56,278 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:19:56,278 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-06-14 14:19:56,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:19:56,534 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:56,546 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 14:19:56,756 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:56,771 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:19:56,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56 WrapperNode [2024-06-14 14:19:56,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:56,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:56,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:19:56,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:19:56,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,860 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 345 [2024-06-14 14:19:56,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:56,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:19:56,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:19:56,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:19:56,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,907 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]. [2024-06-14 14:19:56,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:19:56,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:19:56,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:19:56,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:19:56,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (1/1) ... [2024-06-14 14:19:56,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:19:57,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-14 14:19:57,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-14 14:19:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:19:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 14:19:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 14:19:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 14:19:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 14:19:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-14 14:19:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-14 14:19:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:19:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 14:19:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-14 14:19:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-14 14:19:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-14 14:19:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-14 14:19:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-14 14:19:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:19:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:19:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-14 14:19:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-14 14:19:57,130 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 14:19:57,236 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:19:57,238 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:19:57,988 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:19:57,988 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:19:58,386 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:19:58,386 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-14 14:19:58,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:58 BoogieIcfgContainer [2024-06-14 14:19:58,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:19:58,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:19:58,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:19:58,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:19:58,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:54" (1/4) ... [2024-06-14 14:19:58,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59019d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:19:58, skipping insertion in model container [2024-06-14 14:19:58,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:19:56" (2/4) ... [2024-06-14 14:19:58,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59019d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:58, skipping insertion in model container [2024-06-14 14:19:58,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:56" (3/4) ... [2024-06-14 14:19:58,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59019d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:58, skipping insertion in model container [2024-06-14 14:19:58,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:58" (4/4) ... [2024-06-14 14:19:58,415 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-06-14 14:19:58,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:19:58,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-14 14:19:58,434 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:19:58,517 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-14 14:19:58,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 54 transitions, 129 flow [2024-06-14 14:19:58,593 INFO L124 PetriNetUnfolderBase]: 9/51 cut-off events. [2024-06-14 14:19:58,593 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-14 14:19:58,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 9/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 89 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-06-14 14:19:58,597 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 54 transitions, 129 flow [2024-06-14 14:19:58,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 49 transitions, 113 flow [2024-06-14 14:19:58,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:19:58,623 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;@5c565a19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:19:58,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-14 14:19:58,630 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:19:58,631 INFO L124 PetriNetUnfolderBase]: 3/12 cut-off events. [2024-06-14 14:19:58,631 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:19:58,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:19:58,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:19:58,632 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)] === [2024-06-14 14:19:58,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:19:58,637 INFO L85 PathProgramCache]: Analyzing trace with hash 71479664, now seen corresponding path program 1 times [2024-06-14 14:19:58,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:19:58,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060523203] [2024-06-14 14:19:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:19:58,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:19:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:20:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:01,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:20:01,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060523203] [2024-06-14 14:20:01,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060523203] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:20:01,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:20:01,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 14:20:01,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417419025] [2024-06-14 14:20:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:20:01,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-14 14:20:01,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:20:01,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-14 14:20:01,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-14 14:20:01,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2024-06-14 14:20:01,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 113 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:01,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:20:01,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2024-06-14 14:20:01,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:20:02,706 INFO L124 PetriNetUnfolderBase]: 4717/6947 cut-off events. [2024-06-14 14:20:02,706 INFO L125 PetriNetUnfolderBase]: For 324/324 co-relation queries the response was YES. [2024-06-14 14:20:02,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13975 conditions, 6947 events. 4717/6947 cut-off events. For 324/324 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 37196 event pairs, 4104 based on Foata normal form. 319/6391 useless extension candidates. Maximal degree in co-relation 11345. Up to 5702 conditions per place. [2024-06-14 14:20:02,754 INFO L140 encePairwiseOnDemand]: 38/54 looper letters, 39 selfloop transitions, 6 changer transitions 27/76 dead transitions. [2024-06-14 14:20:02,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 76 transitions, 326 flow [2024-06-14 14:20:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-14 14:20:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-14 14:20:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2024-06-14 14:20:02,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2024-06-14 14:20:02,768 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 113 flow. Second operand 6 states and 126 transitions. [2024-06-14 14:20:02,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 76 transitions, 326 flow [2024-06-14 14:20:02,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 76 transitions, 308 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-14 14:20:02,780 INFO L231 Difference]: Finished difference. Result has 54 places, 49 transitions, 146 flow [2024-06-14 14:20:02,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=146, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2024-06-14 14:20:02,785 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 4 predicate places. [2024-06-14 14:20:02,786 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 146 flow [2024-06-14 14:20:02,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:02,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:20:02,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:20:02,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 14:20:02,787 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)] === [2024-06-14 14:20:02,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:20:02,787 INFO L85 PathProgramCache]: Analyzing trace with hash 914478980, now seen corresponding path program 1 times [2024-06-14 14:20:02,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:20:02,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612620270] [2024-06-14 14:20:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:20:02,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:20:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:20:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:04,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:20:04,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612620270] [2024-06-14 14:20:04,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612620270] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-14 14:20:04,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692447410] [2024-06-14 14:20:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:20:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-14 14:20:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:20:04,480 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) [2024-06-14 14:20:04,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-14 14:20:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:20:04,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 42 conjunts are in the unsatisfiable core [2024-06-14 14:20:04,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-14 14:20:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:05,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-14 14:20:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:12,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692447410] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-14 14:20:12,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-14 14:20:12,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-14 14:20:12,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193509974] [2024-06-14 14:20:12,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-14 14:20:12,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-14 14:20:12,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:20:12,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-14 14:20:12,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-06-14 14:20:13,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2024-06-14 14:20:13,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 146 flow. Second operand has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:13,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:20:13,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2024-06-14 14:20:13,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:20:23,254 INFO L124 PetriNetUnfolderBase]: 11258/16354 cut-off events. [2024-06-14 14:20:23,255 INFO L125 PetriNetUnfolderBase]: For 1956/1956 co-relation queries the response was YES. [2024-06-14 14:20:23,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35491 conditions, 16354 events. 11258/16354 cut-off events. For 1956/1956 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 97989 event pairs, 8690 based on Foata normal form. 818/15388 useless extension candidates. Maximal degree in co-relation 24914. Up to 5541 conditions per place. [2024-06-14 14:20:23,348 INFO L140 encePairwiseOnDemand]: 41/54 looper letters, 76 selfloop transitions, 36 changer transitions 58/174 dead transitions. [2024-06-14 14:20:23,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 174 transitions, 846 flow [2024-06-14 14:20:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-06-14 14:20:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-06-14 14:20:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 280 transitions. [2024-06-14 14:20:23,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.345679012345679 [2024-06-14 14:20:23,360 INFO L175 Difference]: Start difference. First operand has 54 places, 49 transitions, 146 flow. Second operand 15 states and 280 transitions. [2024-06-14 14:20:23,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 174 transitions, 846 flow [2024-06-14 14:20:23,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 174 transitions, 836 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-06-14 14:20:23,369 INFO L231 Difference]: Finished difference. Result has 66 places, 83 transitions, 393 flow [2024-06-14 14:20:23,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=393, PETRI_PLACES=66, PETRI_TRANSITIONS=83} [2024-06-14 14:20:23,370 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 16 predicate places. [2024-06-14 14:20:23,370 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 83 transitions, 393 flow [2024-06-14 14:20:23,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:23,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:20:23,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:20:23,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-14 14:20:23,580 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 [2024-06-14 14:20:23,580 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)] === [2024-06-14 14:20:23,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:20:23,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1217765150, now seen corresponding path program 1 times [2024-06-14 14:20:23,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:20:23,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338708940] [2024-06-14 14:20:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:20:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:20:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:20:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:25,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:20:25,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338708940] [2024-06-14 14:20:25,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338708940] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-14 14:20:25,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733430092] [2024-06-14 14:20:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:20:25,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-14 14:20:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:20:25,233 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) [2024-06-14 14:20:25,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-06-14 14:20:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:20:25,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 41 conjunts are in the unsatisfiable core [2024-06-14 14:20:25,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-14 14:20:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:25,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-14 14:20:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:20:31,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733430092] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-14 14:20:31,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-14 14:20:31,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-14 14:20:31,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337672495] [2024-06-14 14:20:31,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-14 14:20:31,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-14 14:20:31,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:20:31,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-14 14:20:31,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-06-14 14:20:32,020 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 54 [2024-06-14 14:20:32,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 83 transitions, 393 flow. Second operand has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:32,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:20:32,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 54 [2024-06-14 14:20:32,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:20:41,333 INFO L124 PetriNetUnfolderBase]: 9450/13948 cut-off events. [2024-06-14 14:20:41,333 INFO L125 PetriNetUnfolderBase]: For 11998/11998 co-relation queries the response was YES. [2024-06-14 14:20:41,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31458 conditions, 13948 events. 9450/13948 cut-off events. For 11998/11998 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 86449 event pairs, 3776 based on Foata normal form. 2113/14225 useless extension candidates. Maximal degree in co-relation 25266. Up to 8149 conditions per place. [2024-06-14 14:20:41,384 INFO L140 encePairwiseOnDemand]: 40/54 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2024-06-14 14:20:41,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 163 transitions, 939 flow [2024-06-14 14:20:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-06-14 14:20:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-06-14 14:20:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 227 transitions. [2024-06-14 14:20:41,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32336182336182334 [2024-06-14 14:20:41,388 INFO L175 Difference]: Start difference. First operand has 66 places, 83 transitions, 393 flow. Second operand 13 states and 227 transitions. [2024-06-14 14:20:41,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 163 transitions, 939 flow [2024-06-14 14:20:41,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 163 transitions, 817 flow, removed 52 selfloop flow, removed 3 redundant places. [2024-06-14 14:20:41,397 INFO L231 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2024-06-14 14:20:41,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2024-06-14 14:20:41,398 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 21 predicate places. [2024-06-14 14:20:41,399 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2024-06-14 14:20:41,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:20:41,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-14 14:20:41,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-14 14:20:41,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-14 14:20:41,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-14 14:20:41,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-14 14:20:41,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-14 14:20:41,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-06-14 14:20:41,625 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 [2024-06-14 14:20:41,626 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-06-14 14:20:41,629 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 14:20:41,629 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 14:20:41,638 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-14 14:20:41,638 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-14 14:20:41,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:20:41 BasicIcfg [2024-06-14 14:20:41,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 14:20:41,640 INFO L158 Benchmark]: Toolchain (without parser) took 45397.69ms. Allocated memory was 161.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 121.7MB in the beginning and 753.9MB in the end (delta: -632.2MB). Peak memory consumption was 945.0MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,640 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 124.5MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:20:41,640 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:20:41,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.73ms. Allocated memory is still 161.5MB. Free memory was 121.7MB in the beginning and 98.9MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.35ms. Allocated memory is still 161.5MB. Free memory was 98.9MB in the beginning and 93.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,641 INFO L158 Benchmark]: Boogie Preprocessor took 91.48ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 89.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,641 INFO L158 Benchmark]: RCFGBuilder took 1433.84ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 89.5MB in the beginning and 84.8MB in the end (delta: 4.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,642 INFO L158 Benchmark]: TraceAbstraction took 43230.49ms. Allocated memory was 203.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 164.8MB in the beginning and 753.9MB in the end (delta: -589.1MB). Peak memory consumption was 946.2MB. Max. memory is 16.1GB. [2024-06-14 14:20:41,643 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 0.20ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 124.5MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.73ms. Allocated memory is still 161.5MB. Free memory was 121.7MB in the beginning and 98.9MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.35ms. Allocated memory is still 161.5MB. Free memory was 98.9MB in the beginning and 93.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.48ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 89.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1433.84ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 89.5MB in the beginning and 84.8MB in the end (delta: 4.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * TraceAbstraction took 43230.49ms. Allocated memory was 203.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 164.8MB in the beginning and 753.9MB in the end (delta: -589.1MB). Peak memory consumption was 946.2MB. 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, 72 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: 43.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 619 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 611 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1421 IncrementalHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 0 mSDtfsCounter, 1421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=2, InterpolantAutomatonStates: 34, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 8783 SizeOfPredicates, 6 NumberOfNonLiveVariables, 356 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! [2024-06-14 14:20:41,672 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