./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.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/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.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-cb09d65-m [2024-01-27 23:02:48,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:02:48,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:02:48,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:02:48,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:02:48,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:02:48,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:02:48,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:02:48,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:02:48,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:02:48,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:02:48,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:02:48,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:02:48,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:02:48,930 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:02:48,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:02:48,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:02:48,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:02:48,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:02:48,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:02:48,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:02:48,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:02:48,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:02:48,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:02:48,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:02:48,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:02:48,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:02:48,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:02:48,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:02:48,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:02:48,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:02:48,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:02:48,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:02:48,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:02:48,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:02:48,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:02:48,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:02:48,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:02:48,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:02:49,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:02:49,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:02:49,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:02:49,225 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:02:49,226 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:02:49,227 INFO L431 ainManager$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/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml [2024-01-27 23:02:49,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:02:49,334 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:02:49,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-27 23:02:50,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:02:50,747 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:02:50,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-27 23:02:50,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c32d794e7/431555b8a2a7451db197137f8448885e/FLAGb03e38f14 [2024-01-27 23:02:50,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c32d794e7/431555b8a2a7451db197137f8448885e [2024-01-27 23:02:50,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:02:50,775 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:02:50,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:02:50,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:02:50,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:02:50,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:02:49" (1/2) ... [2024-01-27 23:02:50,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2c56f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:02:50, skipping insertion in model container [2024-01-27 23:02:50,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:02:49" (1/2) ... [2024-01-27 23:02:50,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@495cc1a3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:02:50, skipping insertion in model container [2024-01-27 23:02:50,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:02:50" (2/2) ... [2024-01-27 23:02:50,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2c56f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:50, skipping insertion in model container [2024-01-27 23:02:50,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:02:50" (2/2) ... [2024-01-27 23:02:50,789 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:02:50,852 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:02:50,853 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L797] (unsigned long )arg == 0UL [2024-01-27 23:02:50,853 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L706] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant after [L738-L749] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant after [L745-L746] COND == (_Bool)0 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Loop invariant at [L745-L746] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,854 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L723] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L723] COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,855 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,856 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,856 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,856 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,856 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,856 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L715] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,857 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-01-27 23:02:50,858 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,858 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,858 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,858 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,858 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,859 INFO L98 nessWitnessExtractor]: Location invariant after [L689-L693] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,859 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L777-L779] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L744] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,860 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,861 INFO L98 nessWitnessExtractor]: Location invariant after [L691-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,861 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,861 INFO L98 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,861 INFO L98 nessWitnessExtractor]: Location invariant after [L753-L755] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,861 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,862 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,862 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,862 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,862 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,863 INFO L98 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,863 INFO L98 nessWitnessExtractor]: Loop invariant at [L787-L797] (unsigned long )arg == 0UL [2024-01-27 23:02:50,863 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,863 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,863 INFO L98 nessWitnessExtractor]: Location invariant after [L786-L797] (unsigned long )arg == 0UL [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant after [L786-L797] (unsigned long )arg == 0UL [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L711] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,864 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,865 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L742] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Loop invariant at [L741-L742] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-27 23:02:50,866 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] COND == (_Bool)1 [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,867 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-27 23:02:50,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:02:51,181 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-01-27 23:02:51,187 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-01-27 23:02:51,193 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-01-27 23:02:51,195 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-01-27 23:02:51,196 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-01-27 23:02:51,201 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-01-27 23:02:51,203 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-01-27 23:02:51,205 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-01-27 23:02:51,206 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-01-27 23:02:51,207 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-01-27 23:02:51,209 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-01-27 23:02:51,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:02:51,232 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:02:51,265 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] Start Parsing Local [2024-01-27 23:02:51,285 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,292 WARN L424 MainDispatcher]: Unable to annotate inline int sysmon_queue_power_event(){ { if(!(1)) { ERROR: {reach_error();abort();}(void)0; } }; if (__VERIFIER_nondet_int()) return 0; return 1; } with a witness entry [2024-01-27 23:02:51,293 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,301 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,305 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,307 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,310 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,316 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] Start Parsing Local [2024-01-27 23:02:51,317 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-27 23:02:51,317 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-01-27 23:02:51,318 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,331 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-01-27 23:02:51,331 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] Start Parsing Local [2024-01-27 23:02:51,332 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-01-27 23:02:51,333 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-01-27 23:02:51,333 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-01-27 23:02:51,334 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] Start Parsing Local [2024-01-27 23:02:51,336 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-27 23:02:51,337 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-01-27 23:02:51,339 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-27 23:02:51,339 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] 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 [2024-01-27 23:02:51,350 WARN L424 MainDispatcher]: Unable to annotate void* thr1(void* arg){ while(1) switch(__VERIFIER_nondet_int()){ case 0: sysmon_power_daemon_task(); break; case 1: sysmonopen_power(); break; case 2: sysmonclose_power(); break; case 3: sysmonread_power(); break; case 4: sysmonpoll_power(); break; case 5: filt_sysmon_power_rdetach(); break; case 6: filt_sysmon_power_read(); break; case 7: sysmonkqfilter_power(); break; case 8: sysmonioctl_power(); break; }} with a witness entry [2024-01-27 23:02:51,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:02:51,383 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:02:51,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51 WrapperNode [2024-01-27 23:02:51,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:02:51,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:02:51,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:02:51,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:02:51,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,444 INFO L138 Inliner]: procedures = 174, calls = 65, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 406 [2024-01-27 23:02:51,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:02:51,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:02:51,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:02:51,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:02:51,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,470 INFO L175 MemorySlicer]: Split 18 memory accesses to 4 slices as follows [2, 5, 10, 1]. 56 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 10, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-27 23:02:51,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:02:51,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:02:51,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:02:51,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:02:51,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (1/1) ... [2024-01-27 23:02:51,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:02:51,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:02:51,534 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) [2024-01-27 23:02:51,538 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 [2024-01-27 23:02:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-27 23:02:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:02:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:02:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 23:02:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:02:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:02:51,572 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:02:51,699 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:02:51,701 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:02:52,108 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:02:52,109 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:02:52,285 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:02:52,285 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-27 23:02:52,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:02:52 BoogieIcfgContainer [2024-01-27 23:02:52,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:02:52,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:02:52,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:02:52,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:02:52,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:02:49" (1/4) ... [2024-01-27 23:02:52,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e899d80 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:02:52, skipping insertion in model container [2024-01-27 23:02:52,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:02:50" (2/4) ... [2024-01-27 23:02:52,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e899d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:02:52, skipping insertion in model container [2024-01-27 23:02:52,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:02:51" (3/4) ... [2024-01-27 23:02:52,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e899d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:02:52, skipping insertion in model container [2024-01-27 23:02:52,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:02:52" (4/4) ... [2024-01-27 23:02:52,295 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-27 23:02:52,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:02:52,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2024-01-27 23:02:52,308 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:02:52,392 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 23:02:52,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 266 transitions, 536 flow [2024-01-27 23:02:52,499 INFO L124 PetriNetUnfolderBase]: 38/268 cut-off events. [2024-01-27 23:02:52,500 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:02:52,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 268 events. 38/268 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1073 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 263. Up to 10 conditions per place. [2024-01-27 23:02:52,503 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 266 transitions, 536 flow [2024-01-27 23:02:52,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 231 places, 266 transitions, 536 flow [2024-01-27 23:02:52,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:02:52,529 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;@35ce37d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:02:52,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2024-01-27 23:02:52,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:02:52,533 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-27 23:02:52,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:02:52,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:02:52,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:02:52,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 120 more)] === [2024-01-27 23:02:52,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:02:52,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1062645476, now seen corresponding path program 1 times [2024-01-27 23:02:52,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:02:52,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949099546] [2024-01-27 23:02:52,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:02:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:02:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:02:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:02:52,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:02:52,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949099546] [2024-01-27 23:02:52,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949099546] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:02:52,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:02:52,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:02:52,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152123979] [2024-01-27 23:02:52,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:02:52,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:02:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:02:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:02:52,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:02:52,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 266 [2024-01-27 23:02:52,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 266 transitions, 536 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2024-01-27 23:02:52,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:02:52,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 266 [2024-01-27 23:02:52,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:02:53,235 INFO L124 PetriNetUnfolderBase]: 148/519 cut-off events. [2024-01-27 23:02:53,235 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:02:53,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 519 events. 148/519 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2412 event pairs, 0 based on Foata normal form. 48/501 useless extension candidates. Maximal degree in co-relation 832. Up to 316 conditions per place. [2024-01-27 23:02:53,239 INFO L140 encePairwiseOnDemand]: 230/266 looper letters, 112 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2024-01-27 23:02:53,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 214 transitions, 660 flow [2024-01-27 23:02:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:02:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:02:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 590 transitions. [2024-01-27 23:02:53,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5545112781954887 [2024-01-27 23:02:53,252 INFO L175 Difference]: Start difference. First operand has 231 places, 266 transitions, 536 flow. Second operand 4 states and 590 transitions. [2024-01-27 23:02:53,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 214 transitions, 660 flow [2024-01-27 23:02:53,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 214 transitions, 660 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 23:02:53,258 INFO L231 Difference]: Finished difference. Result has 193 places, 212 transitions, 432 flow [2024-01-27 23:02:53,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=432, PETRI_PLACES=193, PETRI_TRANSITIONS=212} [2024-01-27 23:02:53,262 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -38 predicate places. [2024-01-27 23:02:53,262 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 212 transitions, 432 flow [2024-01-27 23:02:53,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2024-01-27 23:02:53,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:02:53,263 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-01-27 23:02:53,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:02:53,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 120 more)] === [2024-01-27 23:02:53,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:02:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1062639784, now seen corresponding path program 1 times [2024-01-27 23:02:53,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:02:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950880828] [2024-01-27 23:02:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:02:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:02:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:02:53,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:02:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:02:53,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:02:53,297 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:02:53,298 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (122 of 123 remaining) [2024-01-27 23:02:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 123 remaining) [2024-01-27 23:02:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 123 remaining) [2024-01-27 23:02:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 123 remaining) [2024-01-27 23:02:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 123 remaining) [2024-01-27 23:02:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 123 remaining) [2024-01-27 23:02:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 123 remaining) [2024-01-27 23:02:53,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 123 remaining) [2024-01-27 23:02:53,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (102 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 123 remaining) [2024-01-27 23:02:53,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONERROR_FUNCTION (95 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (93 of 123 remaining) [2024-01-27 23:02:53,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (92 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (91 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 123 remaining) [2024-01-27 23:02:53,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (83 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 123 remaining) [2024-01-27 23:02:53,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONERROR_FUNCTION (80 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 123 remaining) [2024-01-27 23:02:53,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (73 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (69 of 123 remaining) [2024-01-27 23:02:53,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONERROR_FUNCTION (65 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (64 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 123 remaining) [2024-01-27 23:02:53,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 123 remaining) [2024-01-27 23:02:53,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 123 remaining) [2024-01-27 23:02:53,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 123 remaining) [2024-01-27 23:02:53,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (41 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 123 remaining) [2024-01-27 23:02:53,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONERROR_FUNCTION (34 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (32 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (31 of 123 remaining) [2024-01-27 23:02:53,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (30 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 123 remaining) [2024-01-27 23:02:53,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (22 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONERROR_FUNCTION (19 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 123 remaining) [2024-01-27 23:02:53,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (12 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 123 remaining) [2024-01-27 23:02:53,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (8 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 123 remaining) [2024-01-27 23:02:53,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONERROR_FUNCTION (4 of 123 remaining) [2024-01-27 23:02:53,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (3 of 123 remaining) [2024-01-27 23:02:53,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 123 remaining) [2024-01-27 23:02:53,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 123 remaining) [2024-01-27 23:02:53,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 123 remaining) [2024-01-27 23:02:53,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:02:53,319 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-27 23:02:53,321 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-27 23:02:53,321 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-27 23:02:53,389 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 23:02:53,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 528 transitions, 1066 flow [2024-01-27 23:02:53,498 INFO L124 PetriNetUnfolderBase]: 76/532 cut-off events. [2024-01-27 23:02:53,499 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:02:53,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 532 events. 76/532 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3067 event pairs, 0 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 524. Up to 10 conditions per place. [2024-01-27 23:02:53,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 457 places, 528 transitions, 1066 flow [2024-01-27 23:02:53,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 457 places, 528 transitions, 1066 flow [2024-01-27 23:02:53,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:02:53,517 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;@35ce37d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:02:53,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 184 error locations. [2024-01-27 23:02:53,519 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:02:53,519 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-27 23:02:53,520 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:02:53,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:02:53,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:02:53,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 181 more)] === [2024-01-27 23:02:53,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:02:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1566777689, now seen corresponding path program 1 times [2024-01-27 23:02:53,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:02:53,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835375295] [2024-01-27 23:02:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:02:53,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:02:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:02:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:02:53,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:02:53,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835375295] [2024-01-27 23:02:53,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835375295] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:02:53,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:02:53,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:02:53,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187791862] [2024-01-27 23:02:53,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:02:53,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:02:53,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:02:53,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:02:53,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:02:53,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 528 [2024-01-27 23:02:53,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 528 transitions, 1066 flow. Second operand has 4 states, 4 states have (on average 240.25) internal successors, (961), 4 states have internal predecessors, (961), 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) [2024-01-27 23:02:53,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:02:53,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 528 [2024-01-27 23:02:53,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:02:58,808 INFO L124 PetriNetUnfolderBase]: 36480/73299 cut-off events. [2024-01-27 23:02:58,809 INFO L125 PetriNetUnfolderBase]: For 305/305 co-relation queries the response was YES. [2024-01-27 23:02:58,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127085 conditions, 73299 events. 36480/73299 cut-off events. For 305/305 co-relation queries the response was YES. Maximal size of possible extension queue 1550. Compared 761545 event pairs, 291 based on Foata normal form. 7667/72136 useless extension candidates. Maximal degree in co-relation 125736. Up to 53163 conditions per place. [2024-01-27 23:02:59,206 INFO L140 encePairwiseOnDemand]: 478/528 looper letters, 330 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2024-01-27 23:02:59,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 551 transitions, 1781 flow [2024-01-27 23:02:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:02:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:02:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1352 transitions. [2024-01-27 23:02:59,210 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6401515151515151 [2024-01-27 23:02:59,210 INFO L175 Difference]: Start difference. First operand has 457 places, 528 transitions, 1066 flow. Second operand 4 states and 1352 transitions. [2024-01-27 23:02:59,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 551 transitions, 1781 flow [2024-01-27 23:02:59,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 551 transitions, 1781 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 23:02:59,223 INFO L231 Difference]: Finished difference. Result has 398 places, 440 transitions, 894 flow [2024-01-27 23:02:59,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=528, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=894, PETRI_PLACES=398, PETRI_TRANSITIONS=440} [2024-01-27 23:02:59,225 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -59 predicate places. [2024-01-27 23:02:59,225 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 440 transitions, 894 flow [2024-01-27 23:02:59,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 240.25) internal successors, (961), 4 states have internal predecessors, (961), 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) [2024-01-27 23:02:59,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:02:59,226 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-01-27 23:02:59,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:02:59,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 181 more)] === [2024-01-27 23:02:59,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:02:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1873355858, now seen corresponding path program 1 times [2024-01-27 23:02:59,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:02:59,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11360510] [2024-01-27 23:02:59,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:02:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:02:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:02:59,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:02:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:02:59,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:02:59,280 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:02:59,280 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (183 of 184 remaining) [2024-01-27 23:02:59,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (182 of 184 remaining) [2024-01-27 23:02:59,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (181 of 184 remaining) [2024-01-27 23:02:59,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (180 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (179 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (178 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (177 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (176 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (175 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (174 of 184 remaining) [2024-01-27 23:02:59,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (167 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 184 remaining) [2024-01-27 23:02:59,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (163 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (161 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (160 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 184 remaining) [2024-01-27 23:02:59,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONERROR_FUNCTION (156 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (154 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (153 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (152 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 184 remaining) [2024-01-27 23:02:59,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (144 of 184 remaining) [2024-01-27 23:02:59,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONERROR_FUNCTION (141 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 184 remaining) [2024-01-27 23:02:59,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (134 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (130 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 184 remaining) [2024-01-27 23:02:59,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONERROR_FUNCTION (126 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (125 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 184 remaining) [2024-01-27 23:02:59,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 184 remaining) [2024-01-27 23:02:59,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 184 remaining) [2024-01-27 23:02:59,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (102 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 184 remaining) [2024-01-27 23:02:59,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONERROR_FUNCTION (95 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (93 of 184 remaining) [2024-01-27 23:02:59,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (92 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (91 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 184 remaining) [2024-01-27 23:02:59,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (83 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONERROR_FUNCTION (80 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 184 remaining) [2024-01-27 23:02:59,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 184 remaining) [2024-01-27 23:02:59,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 184 remaining) [2024-01-27 23:02:59,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 184 remaining) [2024-01-27 23:02:59,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 184 remaining) [2024-01-27 23:02:59,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (73 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (69 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 184 remaining) [2024-01-27 23:02:59,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONERROR_FUNCTION (65 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (64 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 184 remaining) [2024-01-27 23:02:59,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 184 remaining) [2024-01-27 23:02:59,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 184 remaining) [2024-01-27 23:02:59,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 184 remaining) [2024-01-27 23:02:59,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 184 remaining) [2024-01-27 23:02:59,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 184 remaining) [2024-01-27 23:02:59,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 184 remaining) [2024-01-27 23:02:59,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (41 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 184 remaining) [2024-01-27 23:02:59,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONERROR_FUNCTION (34 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (32 of 184 remaining) [2024-01-27 23:02:59,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (31 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (30 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 184 remaining) [2024-01-27 23:02:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (22 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONERROR_FUNCTION (19 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 184 remaining) [2024-01-27 23:02:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (12 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 184 remaining) [2024-01-27 23:02:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (8 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONERROR_FUNCTION (4 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (3 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 184 remaining) [2024-01-27 23:02:59,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 184 remaining) [2024-01-27 23:02:59,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:02:59,309 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-27 23:02:59,310 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-27 23:02:59,310 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-27 23:02:59,451 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 23:02:59,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 790 transitions, 1598 flow [2024-01-27 23:02:59,630 INFO L124 PetriNetUnfolderBase]: 114/796 cut-off events. [2024-01-27 23:02:59,631 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-27 23:02:59,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 796 events. 114/796 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5347 event pairs, 0 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 785. Up to 10 conditions per place. [2024-01-27 23:02:59,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 790 transitions, 1598 flow [2024-01-27 23:02:59,688 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 683 places, 790 transitions, 1598 flow [2024-01-27 23:02:59,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:02:59,691 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;@35ce37d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:02:59,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 245 error locations. [2024-01-27 23:02:59,694 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:02:59,694 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-27 23:02:59,694 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:02:59,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:02:59,694 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:02:59,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 242 more)] === [2024-01-27 23:02:59,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:02:59,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1974037836, now seen corresponding path program 1 times [2024-01-27 23:02:59,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:02:59,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295903867] [2024-01-27 23:02:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:02:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:02:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:02:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:02:59,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:02:59,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295903867] [2024-01-27 23:02:59,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295903867] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:02:59,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:02:59,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:02:59,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012307535] [2024-01-27 23:02:59,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:02:59,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:02:59,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:02:59,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:02:59,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:02:59,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 790 [2024-01-27 23:02:59,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 790 transitions, 1598 flow. Second operand has 4 states, 4 states have (on average 369.25) internal successors, (1477), 4 states have internal predecessors, (1477), 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) [2024-01-27 23:02:59,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:02:59,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 790 [2024-01-27 23:02:59,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand