./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_27-multiple-protecting2_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b 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/goblint-regression/13-privatized_27-multiple-protecting2_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_27-multiple-protecting2_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:55:14,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:55:14,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:55:14,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:55:14,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:55:14,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:55:14,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:55:14,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:55:14,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:55:14,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:55:14,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:55:14,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:55:14,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:55:14,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:55:14,139 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:55:14,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:55:14,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:55:14,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:55:14,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:55:14,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:55:14,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:55:14,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:55:14,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:55:14,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:55:14,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:55:14,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:55:14,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:55:14,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:55:14,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:55:14,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:55:14,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:55:14,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:55:14,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:14,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:55:14,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:55:14,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:55:14,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:55:14,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:55:14,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:55:14,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:55:14,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:55:14,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:55:14,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:55:14,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:55:14,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:55:14,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:55:14,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:55:14,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:55:14,363 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:55:14,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-01-29 22:55:15,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:55:15,707 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:55:15,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-01-29 22:55:15,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393646e2e/7397ef5f72d84bf9800fbd2973103964/FLAG1416a1896 [2024-01-29 22:55:15,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393646e2e/7397ef5f72d84bf9800fbd2973103964 [2024-01-29 22:55:15,740 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:55:15,740 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:55:15,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_27-multiple-protecting2_true.yml/witness.yml [2024-01-29 22:55:15,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:55:15,862 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:55:15,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:15,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:55:15,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:55:15,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:15" (1/2) ... [2024-01-29 22:55:15,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f234921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:15, skipping insertion in model container [2024-01-29 22:55:15,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:15" (1/2) ... [2024-01-29 22:55:15,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@410ec42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:15, skipping insertion in model container [2024-01-29 22:55:15,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:15" (2/2) ... [2024-01-29 22:55:15,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f234921 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:15, skipping insertion in model container [2024-01-29 22:55:15,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:15" (2/2) ... [2024-01-29 22:55:15,870 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:55:15,928 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:55:15,930 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g1 == 1 [2024-01-29 22:55:15,930 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (g1 == 1) && (g2 == 0) [2024-01-29 22:55:15,930 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (g1 == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,930 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] g1 == 0 [2024-01-29 22:55:15,930 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,931 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] g1 == 0 [2024-01-29 22:55:15,931 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,931 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (g2 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,931 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g2 == 0 [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] g1 == 0 [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] g1 == 0 [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (g1 == 0) && (g2 == 1) [2024-01-29 22:55:15,932 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (g2 == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,933 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] g2 == 1 [2024-01-29 22:55:15,933 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] g1 == 0 [2024-01-29 22:55:15,933 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,933 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] g1 == 0 [2024-01-29 22:55:15,933 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (unsigned long )arg == 0UL [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] g1 == 0 [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] g1 == 0 [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] g1 == 0 [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] g1 == 0 [2024-01-29 22:55:15,934 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] g1 == 0 [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] g2 == 0 [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] (g2 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] g1 == 0 [2024-01-29 22:55:15,935 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,936 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] g1 == 0 [2024-01-29 22:55:15,936 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] g1 == 0 [2024-01-29 22:55:15,937 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,937 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,937 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] g1 == 0 [2024-01-29 22:55:15,937 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,937 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] g1 == 0 [2024-01-29 22:55:15,938 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] g1 == 1 [2024-01-29 22:55:15,938 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (g1 == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,938 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (g1 == 1) && (g2 == 0) [2024-01-29 22:55:15,938 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,938 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] g1 == 0 [2024-01-29 22:55:15,939 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,939 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g1 == 0 [2024-01-29 22:55:15,939 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,939 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] ((g1 == 0) && (g2 == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,939 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (g1 == 0) && (g2 == 1) [2024-01-29 22:55:15,940 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] g1 == 0 [2024-01-29 22:55:15,940 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,940 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] g1 == 0 [2024-01-29 22:55:15,940 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (g1 == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,941 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g1 == 0 [2024-01-29 22:55:15,941 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] g1 == 0 [2024-01-29 22:55:15,941 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 22:55:15,941 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] g1 == 1 [2024-01-29 22:55:15,941 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (g1 == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] ((g1 == 0) && (g2 == 0)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g1 == 0 [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (unsigned long )arg == 0UL [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] g1 == 0 [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (g1 == 0) && (g2 == 0) [2024-01-29 22:55:15,942 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((g1 == 0) && (g2 == 0)) && (g1 == 0) [2024-01-29 22:55:15,943 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((g1 == 0) && (g2 == 0)) && (g2 == 0) [2024-01-29 22:55:15,943 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g1 == 0 [2024-01-29 22:55:15,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:55:16,184 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-01-29 22:55:16,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:16,427 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:55:16,451 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-01-29 22:55:16,451 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:55:16,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:16,646 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:55:16,647 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16 WrapperNode [2024-01-29 22:55:16,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:16,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:16,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:55:16,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:55:16,661 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 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,689 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 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,717 INFO L138 Inliner]: procedures = 164, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 149 [2024-01-29 22:55:16,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:16,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:55:16,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:55:16,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:55:16,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,742 INFO L175 MemorySlicer]: Split 21 memory accesses to 6 slices as follows [2, 2, 5, 5, 5, 2]. 24 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 5, 5, 0]. The 2 writes are split as follows [0, 1, 0, 0, 0, 1]. [2024-01-29 22:55:16,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:55:16,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:55:16,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:55:16,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:55:16,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (1/1) ... [2024-01-29 22:55:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:16,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:55:16,826 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) [2024-01-29 22:55:16,846 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 [2024-01-29 22:55:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:55:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:55:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:55:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-01-29 22:55:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:55:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 22:55:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 22:55:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 22:55:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 22:55:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 22:55:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:55:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:55:16,863 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:55:17,029 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:55:17,030 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:55:17,373 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:55:17,374 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:55:17,507 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:55:17,507 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 22:55:17,507 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:17 BoogieIcfgContainer [2024-01-29 22:55:17,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:55:17,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:55:17,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:55:17,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:55:17,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:55:15" (1/4) ... [2024-01-29 22:55:17,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cd04a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:55:17, skipping insertion in model container [2024-01-29 22:55:17,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:15" (2/4) ... [2024-01-29 22:55:17,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cd04a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:55:17, skipping insertion in model container [2024-01-29 22:55:17,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:16" (3/4) ... [2024-01-29 22:55:17,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18cd04a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:55:17, skipping insertion in model container [2024-01-29 22:55:17,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:17" (4/4) ... [2024-01-29 22:55:17,514 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-01-29 22:55:17,552 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:55:17,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-01-29 22:55:17,553 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:55:17,622 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 22:55:17,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 217 transitions, 448 flow [2024-01-29 22:55:17,705 INFO L124 PetriNetUnfolderBase]: 4/215 cut-off events. [2024-01-29 22:55:17,706 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:55:17,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 215 events. 4/215 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 540 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 207. Up to 2 conditions per place. [2024-01-29 22:55:17,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 217 transitions, 448 flow [2024-01-29 22:55:17,717 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 216 places, 213 transitions, 435 flow [2024-01-29 22:55:17,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:55:17,728 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;@79e4449b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:55:17,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 114 error locations. [2024-01-29 22:55:17,730 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:55:17,730 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:55:17,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:17,731 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:17,731 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:55:17,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 111 more)] === [2024-01-29 22:55:17,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:17,735 INFO L85 PathProgramCache]: Analyzing trace with hash 21582, now seen corresponding path program 1 times [2024-01-29 22:55:17,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:17,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852127408] [2024-01-29 22:55:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:17,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:17,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:17,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852127408] [2024-01-29 22:55:17,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852127408] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:17,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:17,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:55:17,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742934256] [2024-01-29 22:55:17,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:17,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:17,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:17,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:17,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:18,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 217 [2024-01-29 22:55:18,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2024-01-29 22:55:18,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:18,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 217 [2024-01-29 22:55:18,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:30,463 INFO L124 PetriNetUnfolderBase]: 66103/157165 cut-off events. [2024-01-29 22:55:30,463 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-01-29 22:55:30,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271900 conditions, 157165 events. 66103/157165 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 2572. Compared 2021372 event pairs, 36613 based on Foata normal form. 31843/171198 useless extension candidates. Maximal degree in co-relation 271589. Up to 71249 conditions per place. [2024-01-29 22:55:31,283 INFO L140 encePairwiseOnDemand]: 139/217 looper letters, 150 selfloop transitions, 19 changer transitions 0/263 dead transitions. [2024-01-29 22:55:31,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 263 transitions, 879 flow [2024-01-29 22:55:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2024-01-29 22:55:31,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7987711213517665 [2024-01-29 22:55:31,299 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 435 flow. Second operand 3 states and 520 transitions. [2024-01-29 22:55:31,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 263 transitions, 879 flow [2024-01-29 22:55:31,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 263 transitions, 871 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:55:31,319 INFO L231 Difference]: Finished difference. Result has 215 places, 225 transitions, 672 flow [2024-01-29 22:55:31,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=215, PETRI_TRANSITIONS=225} [2024-01-29 22:55:31,323 INFO L281 CegarLoopForPetriNet]: 216 programPoint places, -1 predicate places. [2024-01-29 22:55:31,323 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 225 transitions, 672 flow [2024-01-29 22:55:31,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2024-01-29 22:55:31,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:31,324 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:55:31,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:55:31,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 111 more)] === [2024-01-29 22:55:31,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1524920711, now seen corresponding path program 1 times [2024-01-29 22:55:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:31,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695330741] [2024-01-29 22:55:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:31,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:31,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695330741] [2024-01-29 22:55:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695330741] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:31,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592452285] [2024-01-29 22:55:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:31,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:31,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 217 [2024-01-29 22:55:31,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 225 transitions, 672 flow. Second operand has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 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) [2024-01-29 22:55:31,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:31,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 217 [2024-01-29 22:55:31,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:41,917 INFO L124 PetriNetUnfolderBase]: 45904/132564 cut-off events. [2024-01-29 22:55:41,918 INFO L125 PetriNetUnfolderBase]: For 21689/22981 co-relation queries the response was YES. [2024-01-29 22:55:42,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245502 conditions, 132564 events. 45904/132564 cut-off events. For 21689/22981 co-relation queries the response was YES. Maximal size of possible extension queue 2412. Compared 1866665 event pairs, 36253 based on Foata normal form. 622/116894 useless extension candidates. Maximal degree in co-relation 245282. Up to 44436 conditions per place. [2024-01-29 22:55:42,703 INFO L140 encePairwiseOnDemand]: 213/217 looper letters, 87 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2024-01-29 22:55:42,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 259 transitions, 942 flow [2024-01-29 22:55:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 727 transitions. [2024-01-29 22:55:42,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8375576036866359 [2024-01-29 22:55:42,706 INFO L175 Difference]: Start difference. First operand has 215 places, 225 transitions, 672 flow. Second operand 4 states and 727 transitions. [2024-01-29 22:55:42,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 259 transitions, 942 flow [2024-01-29 22:55:43,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 259 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:43,024 INFO L231 Difference]: Finished difference. Result has 214 places, 223 transitions, 634 flow [2024-01-29 22:55:43,024 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=634, PETRI_PLACES=214, PETRI_TRANSITIONS=223} [2024-01-29 22:55:43,025 INFO L281 CegarLoopForPetriNet]: 216 programPoint places, -2 predicate places. [2024-01-29 22:55:43,025 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 223 transitions, 634 flow [2024-01-29 22:55:43,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 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) [2024-01-29 22:55:43,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:43,026 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:43,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:55:43,026 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 111 more)] === [2024-01-29 22:55:43,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:43,027 INFO L85 PathProgramCache]: Analyzing trace with hash -872625099, now seen corresponding path program 1 times [2024-01-29 22:55:43,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:43,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356519697] [2024-01-29 22:55:43,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:43,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:43,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:43,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356519697] [2024-01-29 22:55:43,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356519697] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:43,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:43,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:43,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204047978] [2024-01-29 22:55:43,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:43,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:43,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:43,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:43,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:43,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 217 [2024-01-29 22:55:43,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 223 transitions, 634 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2024-01-29 22:55:43,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:43,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 217 [2024-01-29 22:55:43,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:52,831 INFO L124 PetriNetUnfolderBase]: 43428/132817 cut-off events. [2024-01-29 22:55:52,831 INFO L125 PetriNetUnfolderBase]: For 7606/8130 co-relation queries the response was YES. [2024-01-29 22:55:53,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231203 conditions, 132817 events. 43428/132817 cut-off events. For 7606/8130 co-relation queries the response was YES. Maximal size of possible extension queue 2282. Compared 1900720 event pairs, 21949 based on Foata normal form. 675/114952 useless extension candidates. Maximal degree in co-relation 231187. Up to 45541 conditions per place. [2024-01-29 22:55:53,499 INFO L140 encePairwiseOnDemand]: 213/217 looper letters, 95 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2024-01-29 22:55:53,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 265 transitions, 929 flow [2024-01-29 22:55:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 736 transitions. [2024-01-29 22:55:53,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.847926267281106 [2024-01-29 22:55:53,501 INFO L175 Difference]: Start difference. First operand has 214 places, 223 transitions, 634 flow. Second operand 4 states and 736 transitions. [2024-01-29 22:55:53,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 265 transitions, 929 flow [2024-01-29 22:55:53,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 265 transitions, 926 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:53,505 INFO L231 Difference]: Finished difference. Result has 213 places, 221 transitions, 631 flow [2024-01-29 22:55:53,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=631, PETRI_PLACES=213, PETRI_TRANSITIONS=221} [2024-01-29 22:55:53,506 INFO L281 CegarLoopForPetriNet]: 216 programPoint places, -3 predicate places. [2024-01-29 22:55:53,507 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 221 transitions, 631 flow [2024-01-29 22:55:53,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2024-01-29 22:55:53,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:53,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:53,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:55:53,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 111 more)] === [2024-01-29 22:55:53,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2026391452, now seen corresponding path program 1 times [2024-01-29 22:55:53,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:53,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204784686] [2024-01-29 22:55:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:53,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:53,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204784686] [2024-01-29 22:55:53,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204784686] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:53,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:53,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968575181] [2024-01-29 22:55:53,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:53,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:53,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:53,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:53,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:53,751 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 217 [2024-01-29 22:55:53,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 221 transitions, 631 flow. Second operand has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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) [2024-01-29 22:55:53,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:53,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 217 [2024-01-29 22:55:53,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand