./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 76401ed0 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-76401ed-m [2024-06-20 18:13:55,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 18:13:55,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 18:13:55,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 18:13:55,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 18:13:55,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 18:13:55,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 18:13:55,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 18:13:55,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 18:13:55,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 18:13:55,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 18:13:55,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 18:13:55,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 18:13:55,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 18:13:55,390 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 18:13:55,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 18:13:55,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 18:13:55,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 18:13:55,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 18:13:55,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 18:13:55,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 18:13:55,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 18:13:55,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 18:13:55,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 18:13:55,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 18:13:55,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 18:13:55,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 18:13:55,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:55,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 18:13:55,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 18:13:55,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 18:13:55,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 18:13:55,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 18:13:55,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 18:13:55,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 18:13:55,587 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 18:13:55,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-20 18:13:56,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 18:13:56,741 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 18:13:56,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-06-20 18:13:56,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4aea0cc/06c6f19e392948f2b2aa799359391b74/FLAG0a9f3316f [2024-06-20 18:13:56,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4aea0cc/06c6f19e392948f2b2aa799359391b74 [2024-06-20 18:13:56,763 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 18:13:56,764 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 18:13:56,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-commit-1.wvr.yml/witness.yml [2024-06-20 18:13:56,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 18:13:56,846 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 18:13:56,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:56,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 18:13:56,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 18:13:56,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:56" (1/2) ... [2024-06-20 18:13:56,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d392b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:56, skipping insertion in model container [2024-06-20 18:13:56,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:56" (1/2) ... [2024-06-20 18:13:56,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@731137cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:56, skipping insertion in model container [2024-06-20 18:13:56,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:56" (2/2) ... [2024-06-20 18:13:56,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d392b4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:56, skipping insertion in model container [2024-06-20 18:13:56,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:56" (2/2) ... [2024-06-20 18:13:56,856 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 18:13:56,871 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 18:13:56,872 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) [2024-06-20 18:13:56,872 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) [2024-06-20 18:13:56,873 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) [2024-06-20 18:13:56,873 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 18:13:56,873 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-06-20 18:13:56,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 18:13:57,060 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:57,067 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-20 18:13:57,210 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:57,233 INFO L206 MainTranslator]: Completed translation [2024-06-20 18:13:57,234 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57 WrapperNode [2024-06-20 18:13:57,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:57,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:57,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 18:13:57,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 18:13:57,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,299 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 345 [2024-06-20 18:13:57,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:57,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 18:13:57,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 18:13:57,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 18:13:57,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,328 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]. [2024-06-20 18:13:57,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 18:13:57,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 18:13:57,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 18:13:57,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 18:13:57,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (1/1) ... [2024-06-20 18:13:57,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:13:57,407 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) [2024-06-20 18:13:57,426 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 [2024-06-20 18:13:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 18:13:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-20 18:13:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-20 18:13:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-20 18:13:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-20 18:13:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-20 18:13:57,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-20 18:13:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 18:13:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 18:13:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-20 18:13:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-20 18:13:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-20 18:13:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-20 18:13:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-20 18:13:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 18:13:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 18:13:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-20 18:13:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-20 18:13:57,447 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 18:13:57,551 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 18:13:57,552 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 18:13:58,150 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 18:13:58,151 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 18:13:58,398 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 18:13:58,398 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-20 18:13:58,399 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:58 BoogieIcfgContainer [2024-06-20 18:13:58,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 18:13:58,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 18:13:58,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 18:13:58,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 18:13:58,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 06:13:56" (1/4) ... [2024-06-20 18:13:58,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4254b351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:13:58, skipping insertion in model container [2024-06-20 18:13:58,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:56" (2/4) ... [2024-06-20 18:13:58,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4254b351 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:13:58, skipping insertion in model container [2024-06-20 18:13:58,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:57" (3/4) ... [2024-06-20 18:13:58,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4254b351 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:13:58, skipping insertion in model container [2024-06-20 18:13:58,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:58" (4/4) ... [2024-06-20 18:13:58,407 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-06-20 18:13:58,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 18:13:58,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-20 18:13:58,421 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 18:13:58,481 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-20 18:13:58,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 53 transitions, 127 flow [2024-06-20 18:13:58,560 INFO L124 PetriNetUnfolderBase]: 9/50 cut-off events. [2024-06-20 18:13:58,561 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-20 18:13:58,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 9/50 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-06-20 18:13:58,566 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 53 transitions, 127 flow [2024-06-20 18:13:58,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 48 transitions, 111 flow [2024-06-20 18:13:58,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 18:13:58,590 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;@93f84fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 18:13:58,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-20 18:13:58,596 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 18:13:58,596 INFO L124 PetriNetUnfolderBase]: 3/11 cut-off events. [2024-06-20 18:13:58,596 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 18:13:58,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:13:58,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:13:58,598 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)] === [2024-06-20 18:13:58,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:13:58,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2128954430, now seen corresponding path program 1 times [2024-06-20 18:13:58,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:13:58,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50284448] [2024-06-20 18:13:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:13:58,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:13:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:00,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:00,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50284448] [2024-06-20 18:14:00,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50284448] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:14:00,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:14:00,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 18:14:00,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054700279] [2024-06-20 18:14:00,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:14:00,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 18:14:00,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 18:14:00,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-20 18:14:00,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 53 [2024-06-20 18:14:00,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 48 transitions, 111 flow. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-06-20 18:14:00,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:00,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 53 [2024-06-20 18:14:00,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:01,604 INFO L124 PetriNetUnfolderBase]: 4717/6945 cut-off events. [2024-06-20 18:14:01,605 INFO L125 PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES. [2024-06-20 18:14:01,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13969 conditions, 6945 events. 4717/6945 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 37252 event pairs, 4104 based on Foata normal form. 319/6369 useless extension candidates. Maximal degree in co-relation 11345. Up to 5700 conditions per place. [2024-06-20 18:14:01,636 INFO L140 encePairwiseOnDemand]: 37/53 looper letters, 37 selfloop transitions, 6 changer transitions 25/73 dead transitions. [2024-06-20 18:14:01,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 73 transitions, 312 flow [2024-06-20 18:14:01,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 18:14:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 18:14:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 128 transitions. [2024-06-20 18:14:01,647 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4025157232704403 [2024-06-20 18:14:01,648 INFO L175 Difference]: Start difference. First operand has 49 places, 48 transitions, 111 flow. Second operand 6 states and 128 transitions. [2024-06-20 18:14:01,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 73 transitions, 312 flow [2024-06-20 18:14:01,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 73 transitions, 294 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-20 18:14:01,660 INFO L231 Difference]: Finished difference. Result has 53 places, 48 transitions, 144 flow [2024-06-20 18:14:01,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=144, PETRI_PLACES=53, PETRI_TRANSITIONS=48} [2024-06-20 18:14:01,667 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2024-06-20 18:14:01,667 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 144 flow [2024-06-20 18:14:01,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-06-20 18:14:01,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:14:01,668 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:14:01,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 18:14:01,668 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)] === [2024-06-20 18:14:01,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:14:01,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1442164749, now seen corresponding path program 1 times [2024-06-20 18:14:01,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:14:01,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386792765] [2024-06-20 18:14:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:14:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:02,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386792765] [2024-06-20 18:14:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386792765] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-20 18:14:02,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385871345] [2024-06-20 18:14:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:02,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:14:02,903 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) [2024-06-20 18:14:02,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-20 18:14:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:03,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 41 conjunts are in the unsatisfiable core [2024-06-20 18:14:03,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-20 18:14:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:03,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-20 18:14:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385871345] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-20 18:14:08,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-20 18:14:08,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-20 18:14:08,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098561397] [2024-06-20 18:14:08,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-20 18:14:08,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-20 18:14:08,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-20 18:14:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-06-20 18:14:09,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 53 [2024-06-20 18:14:09,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 144 flow. Second operand has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 17 states have internal predecessors, (160), 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) [2024-06-20 18:14:09,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:09,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 53 [2024-06-20 18:14:09,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:18,018 INFO L124 PetriNetUnfolderBase]: 11258/16350 cut-off events. [2024-06-20 18:14:18,019 INFO L125 PetriNetUnfolderBase]: For 1956/1956 co-relation queries the response was YES. [2024-06-20 18:14:18,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35479 conditions, 16350 events. 11258/16350 cut-off events. For 1956/1956 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 97980 event pairs, 8690 based on Foata normal form. 818/15364 useless extension candidates. Maximal degree in co-relation 24908. Up to 5539 conditions per place. [2024-06-20 18:14:18,091 INFO L140 encePairwiseOnDemand]: 40/53 looper letters, 72 selfloop transitions, 36 changer transitions 54/167 dead transitions. [2024-06-20 18:14:18,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 167 transitions, 816 flow [2024-06-20 18:14:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-06-20 18:14:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-06-20 18:14:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 287 transitions. [2024-06-20 18:14:18,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3610062893081761 [2024-06-20 18:14:18,104 INFO L175 Difference]: Start difference. First operand has 53 places, 48 transitions, 144 flow. Second operand 15 states and 287 transitions. [2024-06-20 18:14:18,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 167 transitions, 816 flow [2024-06-20 18:14:18,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 167 transitions, 806 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-06-20 18:14:18,111 INFO L231 Difference]: Finished difference. Result has 65 places, 82 transitions, 391 flow [2024-06-20 18:14:18,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=391, PETRI_PLACES=65, PETRI_TRANSITIONS=82} [2024-06-20 18:14:18,112 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 16 predicate places. [2024-06-20 18:14:18,112 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 82 transitions, 391 flow [2024-06-20 18:14:18,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 17 states have internal predecessors, (160), 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) [2024-06-20 18:14:18,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:14:18,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:14:18,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-20 18:14:18,325 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 [2024-06-20 18:14:18,326 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)] === [2024-06-20 18:14:18,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:14:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1596093133, now seen corresponding path program 1 times [2024-06-20 18:14:18,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:14:18,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968947685] [2024-06-20 18:14:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:14:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:19,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:19,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968947685] [2024-06-20 18:14:19,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968947685] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-20 18:14:19,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701766737] [2024-06-20 18:14:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:19,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:19,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:14:19,358 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) [2024-06-20 18:14:19,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-06-20 18:14:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:19,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 41 conjunts are in the unsatisfiable core [2024-06-20 18:14:19,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-20 18:14:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:19,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-20 18:14:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:25,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701766737] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-20 18:14:25,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-20 18:14:25,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-20 18:14:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980521485] [2024-06-20 18:14:25,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-20 18:14:25,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-20 18:14:25,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-20 18:14:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-06-20 18:14:25,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 53 [2024-06-20 18:14:25,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 82 transitions, 391 flow. Second operand has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 17 states have internal predecessors, (160), 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) [2024-06-20 18:14:25,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:25,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 53 [2024-06-20 18:14:25,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:32,563 INFO L124 PetriNetUnfolderBase]: 13605/19900 cut-off events. [2024-06-20 18:14:32,564 INFO L125 PetriNetUnfolderBase]: For 13019/13019 co-relation queries the response was YES. [2024-06-20 18:14:32,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47002 conditions, 19900 events. 13605/19900 cut-off events. For 13019/13019 co-relation queries the response was YES. Maximal size of possible extension queue 814. Compared 122909 event pairs, 10992 based on Foata normal form. 1299/19024 useless extension candidates. Maximal degree in co-relation 32764. Up to 11093 conditions per place. [2024-06-20 18:14:32,648 INFO L140 encePairwiseOnDemand]: 40/53 looper letters, 61 selfloop transitions, 36 changer transitions 56/158 dead transitions. [2024-06-20 18:14:32,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 158 transitions, 983 flow [2024-06-20 18:14:32,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-06-20 18:14:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-06-20 18:14:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 222 transitions. [2024-06-20 18:14:32,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3490566037735849 [2024-06-20 18:14:32,650 INFO L175 Difference]: Start difference. First operand has 65 places, 82 transitions, 391 flow. Second operand 12 states and 222 transitions. [2024-06-20 18:14:32,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 158 transitions, 983 flow [2024-06-20 18:14:32,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 158 transitions, 824 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-06-20 18:14:32,690 INFO L231 Difference]: Finished difference. Result has 79 places, 101 transitions, 545 flow [2024-06-20 18:14:32,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=545, PETRI_PLACES=79, PETRI_TRANSITIONS=101} [2024-06-20 18:14:32,691 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 30 predicate places. [2024-06-20 18:14:32,691 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 101 transitions, 545 flow [2024-06-20 18:14:32,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 17 states have internal predecessors, (160), 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) [2024-06-20 18:14:32,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:14:32,692 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:14:32,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-06-20 18:14:32,905 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 [2024-06-20 18:14:32,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 18:14:32,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:14:32,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1775132549, now seen corresponding path program 1 times [2024-06-20 18:14:32,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:14:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181347312] [2024-06-20 18:14:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:32,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:14:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:34,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:34,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181347312] [2024-06-20 18:14:34,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181347312] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-20 18:14:34,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118052340] [2024-06-20 18:14:34,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:34,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:34,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:14:34,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-06-20 18:14:34,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-06-20 18:14:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:34,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 41 conjunts are in the unsatisfiable core [2024-06-20 18:14:34,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-20 18:14:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:34,524 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-20 18:14:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:39,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118052340] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-20 18:14:39,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-20 18:14:39,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-06-20 18:14:39,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61691581] [2024-06-20 18:14:39,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-20 18:14:39,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-06-20 18:14:39,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:39,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-06-20 18:14:39,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-06-20 18:14:39,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 53 [2024-06-20 18:14:39,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 101 transitions, 545 flow. Second operand has 23 states, 23 states have (on average 9.304347826086957) internal successors, (214), 23 states have internal predecessors, (214), 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) [2024-06-20 18:14:39,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:39,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 53 [2024-06-20 18:14:39,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:51,208 INFO L124 PetriNetUnfolderBase]: 12971/19039 cut-off events. [2024-06-20 18:14:51,208 INFO L125 PetriNetUnfolderBase]: For 23608/23608 co-relation queries the response was YES. [2024-06-20 18:14:51,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45335 conditions, 19039 events. 12971/19039 cut-off events. For 23608/23608 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 121969 event pairs, 4647 based on Foata normal form. 2113/18652 useless extension candidates. Maximal degree in co-relation 21159. Up to 12038 conditions per place. [2024-06-20 18:14:51,251 INFO L140 encePairwiseOnDemand]: 39/53 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2024-06-20 18:14:51,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 186 transitions, 1206 flow [2024-06-20 18:14:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-06-20 18:14:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-06-20 18:14:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 274 transitions. [2024-06-20 18:14:51,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.30410654827968925 [2024-06-20 18:14:51,254 INFO L175 Difference]: Start difference. First operand has 79 places, 101 transitions, 545 flow. Second operand 17 states and 274 transitions. [2024-06-20 18:14:51,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 186 transitions, 1206 flow [2024-06-20 18:14:51,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 186 transitions, 1174 flow, removed 12 selfloop flow, removed 4 redundant places. [2024-06-20 18:14:51,261 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2024-06-20 18:14:51,261 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2024-06-20 18:14:51,261 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 38 predicate places. [2024-06-20 18:14:51,262 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2024-06-20 18:14:51,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.304347826086957) internal successors, (214), 23 states have internal predecessors, (214), 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) [2024-06-20 18:14:51,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-20 18:14:51,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-20 18:14:51,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-20 18:14:51,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-20 18:14:51,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-20 18:14:51,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-20 18:14:51,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-06-20 18:14:51,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:51,479 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-06-20 18:14:51,481 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 18:14:51,481 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 18:14:51,484 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-20 18:14:51,484 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-20 18:14:51,485 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 06:14:51 BasicIcfg [2024-06-20 18:14:51,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 18:14:51,486 INFO L158 Benchmark]: Toolchain (without parser) took 54639.42ms. Allocated memory was 161.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 123.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-06-20 18:14:51,486 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:51,486 INFO L158 Benchmark]: Witness Parser took 0.41ms. Allocated memory is still 161.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:51,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.23ms. Allocated memory is still 161.5MB. Free memory was 123.3MB in the beginning and 100.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-20 18:14:51,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.30ms. Allocated memory is still 161.5MB. Free memory was 100.6MB in the beginning and 94.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-20 18:14:51,487 INFO L158 Benchmark]: Boogie Preprocessor took 61.56ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 90.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:51,487 INFO L158 Benchmark]: RCFGBuilder took 1036.96ms. Allocated memory is still 161.5MB. Free memory was 90.1MB in the beginning and 74.3MB in the end (delta: 15.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-06-20 18:14:51,488 INFO L158 Benchmark]: TraceAbstraction took 53084.64ms. Allocated memory was 161.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 73.2MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-06-20 18:14:51,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.41ms. Allocated memory is still 161.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.23ms. Allocated memory is still 161.5MB. Free memory was 123.3MB in the beginning and 100.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.30ms. Allocated memory is still 161.5MB. Free memory was 100.6MB in the beginning and 94.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.56ms. Allocated memory is still 161.5MB. Free memory was 94.3MB in the beginning and 90.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1036.96ms. Allocated memory is still 161.5MB. Free memory was 90.1MB in the beginning and 74.3MB in the end (delta: 15.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * TraceAbstraction took 53084.64ms. Allocated memory was 161.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 73.2MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 1.3GB. 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, 71 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: 53.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 807 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 796 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 252 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2717 IncrementalHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 252 mSolverCounterUnsat, 0 mSDtfsCounter, 2717 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 25.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=3, InterpolantAutomatonStates: 50, 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, 21.6s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 10949 SizeOfPredicates, 10 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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! [2024-06-20 18:14:51,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE