./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 fced0e87 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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:02:04,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:02:04,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:02:04,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:02:04,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:02:04,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:02:04,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:02:04,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:02:04,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:02:04,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:02:04,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:02:04,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:02:04,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:02:04,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:02:04,717 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:02:04,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:02:04,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:02:04,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:02:04,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:02:04,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:02:04,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:02:04,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:02:04,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:02:04,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:02:04,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:02:04,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:02:04,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:02:04,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:02:04,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:02:04,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:02:04,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:02:04,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:02:04,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:04,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:02:04,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:02:04,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:02:04,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:02:04,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:02:04,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:02:04,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:02:04,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:02:04,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:02:04,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:02:04,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:02:04,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:02:04,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:02:04,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:02:04,990 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:02:04,991 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:02:04,993 INFO L431 ainManager$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 [2024-01-31 16:02:05,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:02:05,100 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:02:05,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-31 16:02:06,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:02:06,608 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:02:06,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-31 16:02:06,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42a394119/f5fb028a23b943e6a1bdeee86d15484c/FLAGac19c5aca [2024-01-31 16:02:06,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42a394119/f5fb028a23b943e6a1bdeee86d15484c [2024-01-31 16:02:06,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:02:06,648 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:02:06,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:06,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:02:06,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:02:06,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:05" (1/2) ... [2024-01-31 16:02:06,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f52febf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:06, skipping insertion in model container [2024-01-31 16:02:06,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:05" (1/2) ... [2024-01-31 16:02:06,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@178ba34f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:06, skipping insertion in model container [2024-01-31 16:02:06,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:06" (2/2) ... [2024-01-31 16:02:06,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f52febf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:06, skipping insertion in model container [2024-01-31 16:02:06,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:06" (2/2) ... [2024-01-31 16:02:06,658 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:02:06,726 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:02:06,727 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-31 16:02:06,727 INFO L98 nessWitnessExtractor]: Location invariant after [L791-L791] (unsigned long )arg == 0UL [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant before [L749-L749] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] COND == (_Bool)0 [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant after [L792-L792] (unsigned long )arg == 0UL [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Loop invariant at [L745-L745] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,728 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-01-31 16:02:06,729 INFO L98 nessWitnessExtractor]: Location invariant after [L790-L790] (unsigned long )arg == 0UL [2024-01-31 16:02:06,730 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,730 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L788] (unsigned long )arg == 0UL [2024-01-31 16:02:06,730 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,730 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L797-L797] (unsigned long )arg == 0UL [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant after [L797-L797] (unsigned long )arg == 0UL [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-31 16:02:06,731 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant after [L795-L795] (unsigned long )arg == 0UL [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant after [L789-L789] (unsigned long )arg == 0UL [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-01-31 16:02:06,732 INFO L98 nessWitnessExtractor]: Location invariant after [L796-L796] (unsigned long )arg == 0UL [2024-01-31 16:02:06,733 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-01-31 16:02:06,733 INFO L98 nessWitnessExtractor]: Location invariant after [L794-L794] (unsigned long )arg == 0UL [2024-01-31 16:02:06,733 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-01-31 16:02:06,734 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,734 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-01-31 16:02:06,734 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,734 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Location invariant before [L777-L777] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Loop invariant at [L787-L787] (unsigned long )arg == 0UL [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] COND == (_Bool)1 [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,735 INFO L98 nessWitnessExtractor]: Location invariant before [L755-L755] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,736 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-01-31 16:02:06,736 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] COND == (_Bool)1 [2024-01-31 16:02:06,736 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,736 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-31 16:02:06,736 INFO L98 nessWitnessExtractor]: Location invariant after [L793-L793] (unsigned long )arg == 0UL [2024-01-31 16:02:06,737 INFO L98 nessWitnessExtractor]: Loop invariant at [L741-L741] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,737 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,737 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,737 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-01-31 16:02:06,738 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-01-31 16:02:06,738 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-31 16:02:06,738 INFO L98 nessWitnessExtractor]: Location invariant before [L797-L797] (unsigned long )arg == 0UL [2024-01-31 16:02:06,780 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:02:07,069 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] [2024-01-31 16:02:07,075 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] [2024-01-31 16:02:07,083 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] [2024-01-31 16:02:07,086 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] [2024-01-31 16:02:07,087 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] [2024-01-31 16:02:07,092 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] [2024-01-31 16:02:07,095 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] [2024-01-31 16:02:07,097 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] [2024-01-31 16:02:07,098 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] [2024-01-31 16:02:07,099 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] [2024-01-31 16:02:07,102 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] [2024-01-31 16:02:07,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:07,127 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:02:07,189 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 Start Parsing Local Start Parsing Local [2024-01-31 16:02:07,199 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 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 [2024-01-31 16:02:07,207 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[31414,31427] Start Parsing Local [2024-01-31 16:02:07,208 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] [2024-01-31 16:02:07,209 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[31752,31765] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:07,214 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 [2024-01-31 16:02:07,224 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] [2024-01-31 16:02:07,231 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] [2024-01-31 16:02:07,231 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] [2024-01-31 16:02:07,232 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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:07,234 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 Start Parsing Local Start Parsing Local [2024-01-31 16:02:07,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:07,296 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:02:07,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07 WrapperNode [2024-01-31 16:02:07,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:07,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:07,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:02:07,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:02:07,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,353 INFO L138 Inliner]: procedures = 174, calls = 65, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 407 [2024-01-31 16:02:07,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:07,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:02:07,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:02:07,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:02:07,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,382 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]. [2024-01-31 16:02:07,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:02:07,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:02:07,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:02:07,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:02:07,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (1/1) ... [2024-01-31 16:02:07,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:02:07,424 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) [2024-01-31 16:02:07,439 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 [2024-01-31 16:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-31 16:02:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-31 16:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:02:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:02:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:02:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:02:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-31 16:02:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:02:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-31 16:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:02:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:02:07,477 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:02:07,592 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:02:07,594 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:02:08,022 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:02:08,024 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:02:08,177 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:02:08,177 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-31 16:02:08,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:02:08 BoogieIcfgContainer [2024-01-31 16:02:08,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:02:08,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:02:08,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:02:08,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:02:08,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:05" (1/4) ... [2024-01-31 16:02:08,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcdeb99 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:02:08, skipping insertion in model container [2024-01-31 16:02:08,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:02:06" (2/4) ... [2024-01-31 16:02:08,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcdeb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:02:08, skipping insertion in model container [2024-01-31 16:02:08,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:07" (3/4) ... [2024-01-31 16:02:08,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcdeb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:02:08, skipping insertion in model container [2024-01-31 16:02:08,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:02:08" (4/4) ... [2024-01-31 16:02:08,188 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-31 16:02:08,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:02:08,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2024-01-31 16:02:08,203 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:02:08,316 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-31 16:02:08,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 271 transitions, 546 flow [2024-01-31 16:02:08,423 INFO L124 PetriNetUnfolderBase]: 40/273 cut-off events. [2024-01-31 16:02:08,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:02:08,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 273 events. 40/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1074 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 268. Up to 10 conditions per place. [2024-01-31 16:02:08,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 271 transitions, 546 flow [2024-01-31 16:02:08,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 271 transitions, 546 flow [2024-01-31 16:02:08,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:02:08,454 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;@5c9ea0b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:02:08,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-01-31 16:02:08,457 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:02:08,457 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-31 16:02:08,457 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:02:08,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:02:08,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:02:08,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-01-31 16:02:08,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:02:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1065543980, now seen corresponding path program 1 times [2024-01-31 16:02:08,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:02:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526035177] [2024-01-31 16:02:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:02:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:02:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:02:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:02:08,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:02:08,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526035177] [2024-01-31 16:02:08,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526035177] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:02:08,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:02:08,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:02:08,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849103325] [2024-01-31 16:02:08,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:02:08,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:02:08,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:02:08,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:02:08,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:02:08,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 271 [2024-01-31 16:02:08,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 271 transitions, 546 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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) [2024-01-31 16:02:08,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:02:08,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 271 [2024-01-31 16:02:08,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:02:09,163 INFO L124 PetriNetUnfolderBase]: 145/518 cut-off events. [2024-01-31 16:02:09,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:02:09,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 518 events. 145/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2389 event pairs, 0 based on Foata normal form. 50/504 useless extension candidates. Maximal degree in co-relation 828. Up to 313 conditions per place. [2024-01-31 16:02:09,168 INFO L140 encePairwiseOnDemand]: 232/271 looper letters, 112 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-01-31 16:02:09,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 215 transitions, 662 flow [2024-01-31 16:02:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:02:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:02:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 601 transitions. [2024-01-31 16:02:09,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5544280442804428 [2024-01-31 16:02:09,181 INFO L175 Difference]: Start difference. First operand has 234 places, 271 transitions, 546 flow. Second operand 4 states and 601 transitions. [2024-01-31 16:02:09,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 215 transitions, 662 flow [2024-01-31 16:02:09,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 215 transitions, 662 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-31 16:02:09,188 INFO L231 Difference]: Finished difference. Result has 194 places, 213 transitions, 434 flow [2024-01-31 16:02:09,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=434, PETRI_PLACES=194, PETRI_TRANSITIONS=213} [2024-01-31 16:02:09,192 INFO L281 CegarLoopForPetriNet]: 234 programPoint places, -40 predicate places. [2024-01-31 16:02:09,193 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 213 transitions, 434 flow [2024-01-31 16:02:09,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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) [2024-01-31 16:02:09,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:02:09,193 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-01-31 16:02:09,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:02:09,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-01-31 16:02:09,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:02:09,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1065538293, now seen corresponding path program 1 times [2024-01-31 16:02:09,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:02:09,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117770713] [2024-01-31 16:02:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:02:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:02:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:02:09,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:02:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:02:09,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:02:09,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:02:09,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-01-31 16:02:09,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 125 remaining) [2024-01-31 16:02:09,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 125 remaining) [2024-01-31 16:02:09,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 125 remaining) [2024-01-31 16:02:09,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 125 remaining) [2024-01-31 16:02:09,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 125 remaining) [2024-01-31 16:02:09,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 125 remaining) [2024-01-31 16:02:09,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 125 remaining) [2024-01-31 16:02:09,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 125 remaining) [2024-01-31 16:02:09,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 125 remaining) [2024-01-31 16:02:09,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 125 remaining) [2024-01-31 16:02:09,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 125 remaining) [2024-01-31 16:02:09,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 125 remaining) [2024-01-31 16:02:09,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 125 remaining) [2024-01-31 16:02:09,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (105 of 125 remaining) [2024-01-31 16:02:09,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 125 remaining) [2024-01-31 16:02:09,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 125 remaining) [2024-01-31 16:02:09,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 125 remaining) [2024-01-31 16:02:09,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (99 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (98 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (96 of 125 remaining) [2024-01-31 16:02:09,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (95 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (90 of 125 remaining) [2024-01-31 16:02:09,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 125 remaining) [2024-01-31 16:02:09,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (83 of 125 remaining) [2024-01-31 16:02:09,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 125 remaining) [2024-01-31 16:02:09,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 125 remaining) [2024-01-31 16:02:09,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 125 remaining) [2024-01-31 16:02:09,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 125 remaining) [2024-01-31 16:02:09,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 125 remaining) [2024-01-31 16:02:09,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (75 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 125 remaining) [2024-01-31 16:02:09,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (68 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (66 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (65 of 125 remaining) [2024-01-31 16:02:09,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 125 remaining) [2024-01-31 16:02:09,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 125 remaining) [2024-01-31 16:02:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 125 remaining) [2024-01-31 16:02:09,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 125 remaining) [2024-01-31 16:02:09,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 125 remaining) [2024-01-31 16:02:09,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 125 remaining) [2024-01-31 16:02:09,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 125 remaining) [2024-01-31 16:02:09,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 125 remaining) [2024-01-31 16:02:09,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 125 remaining) [2024-01-31 16:02:09,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 125 remaining) [2024-01-31 16:02:09,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 125 remaining) [2024-01-31 16:02:09,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (43 of 125 remaining) [2024-01-31 16:02:09,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 125 remaining) [2024-01-31 16:02:09,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 125 remaining) [2024-01-31 16:02:09,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (37 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (36 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (34 of 125 remaining) [2024-01-31 16:02:09,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (33 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (28 of 125 remaining) [2024-01-31 16:02:09,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 125 remaining) [2024-01-31 16:02:09,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (21 of 125 remaining) [2024-01-31 16:02:09,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 125 remaining) [2024-01-31 16:02:09,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 125 remaining) [2024-01-31 16:02:09,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 125 remaining) [2024-01-31 16:02:09,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 125 remaining) [2024-01-31 16:02:09,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 125 remaining) [2024-01-31 16:02:09,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 125 remaining) [2024-01-31 16:02:09,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 125 remaining) [2024-01-31 16:02:09,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (13 of 125 remaining) [2024-01-31 16:02:09,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 125 remaining) [2024-01-31 16:02:09,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 125 remaining) [2024-01-31 16:02:09,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 125 remaining) [2024-01-31 16:02:09,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (6 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (4 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (3 of 125 remaining) [2024-01-31 16:02:09,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 125 remaining) [2024-01-31 16:02:09,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 125 remaining) [2024-01-31 16:02:09,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 125 remaining) [2024-01-31 16:02:09,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:02:09,275 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-31 16:02:09,278 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-31 16:02:09,279 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-31 16:02:09,385 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-31 16:02:09,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 538 transitions, 1086 flow [2024-01-31 16:02:09,478 INFO L124 PetriNetUnfolderBase]: 80/542 cut-off events. [2024-01-31 16:02:09,478 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-31 16:02:09,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 542 events. 80/542 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3058 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 534. Up to 10 conditions per place. [2024-01-31 16:02:09,496 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 538 transitions, 1086 flow [2024-01-31 16:02:09,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 538 transitions, 1086 flow [2024-01-31 16:02:09,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:02:09,520 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;@5c9ea0b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:02:09,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2024-01-31 16:02:09,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:02:09,524 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-31 16:02:09,524 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-31 16:02:09,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:02:09,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:02:09,524 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 184 more)] === [2024-01-31 16:02:09,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:02:09,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1579224208, now seen corresponding path program 1 times [2024-01-31 16:02:09,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:02:09,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862880198] [2024-01-31 16:02:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:02:09,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:02:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:02:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:02:09,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:02:09,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862880198] [2024-01-31 16:02:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862880198] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:02:09,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:02:09,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:02:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439768349] [2024-01-31 16:02:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:02:09,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:02:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:02:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:02:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:02:09,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 538 [2024-01-31 16:02:09,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 538 transitions, 1086 flow. Second operand has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 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) [2024-01-31 16:02:09,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:02:09,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 538 [2024-01-31 16:02:09,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:02:16,037 INFO L124 PetriNetUnfolderBase]: 35395/71345 cut-off events. [2024-01-31 16:02:16,037 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-01-31 16:02:16,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123226 conditions, 71345 events. 35395/71345 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 1552. Compared 729220 event pairs, 17988 based on Foata normal form. 8239/69306 useless extension candidates. Maximal degree in co-relation 121895. Up to 51270 conditions per place. [2024-01-31 16:02:16,460 INFO L140 encePairwiseOnDemand]: 483/538 looper letters, 330 selfloop transitions, 2 changer transitions 0/554 dead transitions. [2024-01-31 16:02:16,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 554 transitions, 1787 flow [2024-01-31 16:02:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:02:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:02:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1379 transitions. [2024-01-31 16:02:16,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6407992565055762 [2024-01-31 16:02:16,464 INFO L175 Difference]: Start difference. First operand has 463 places, 538 transitions, 1086 flow. Second operand 4 states and 1379 transitions. [2024-01-31 16:02:16,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 554 transitions, 1787 flow [2024-01-31 16:02:16,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 554 transitions, 1787 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-31 16:02:16,475 INFO L231 Difference]: Finished difference. Result has 401 places, 443 transitions, 900 flow [2024-01-31 16:02:16,476 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=538, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=900, PETRI_PLACES=401, PETRI_TRANSITIONS=443} [2024-01-31 16:02:16,477 INFO L281 CegarLoopForPetriNet]: 463 programPoint places, -62 predicate places. [2024-01-31 16:02:16,477 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 443 transitions, 900 flow [2024-01-31 16:02:16,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 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) [2024-01-31 16:02:16,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:02:16,478 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-01-31 16:02:16,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:02:16,478 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 184 more)] === [2024-01-31 16:02:16,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:02:16,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1497670617, now seen corresponding path program 1 times [2024-01-31 16:02:16,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:02:16,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624551261] [2024-01-31 16:02:16,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:02:16,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:02:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:02:16,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:02:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:02:16,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:02:16,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:02:16,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (186 of 187 remaining) [2024-01-31 16:02:16,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (185 of 187 remaining) [2024-01-31 16:02:16,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (184 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (183 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (182 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (181 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (180 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (179 of 187 remaining) [2024-01-31 16:02:16,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (178 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (177 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (176 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (175 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (174 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 187 remaining) [2024-01-31 16:02:16,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 187 remaining) [2024-01-31 16:02:16,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 187 remaining) [2024-01-31 16:02:16,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 187 remaining) [2024-01-31 16:02:16,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 187 remaining) [2024-01-31 16:02:16,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 187 remaining) [2024-01-31 16:02:16,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (167 of 187 remaining) [2024-01-31 16:02:16,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 187 remaining) [2024-01-31 16:02:16,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 187 remaining) [2024-01-31 16:02:16,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 187 remaining) [2024-01-31 16:02:16,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 187 remaining) [2024-01-31 16:02:16,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (161 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (160 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (158 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (157 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 187 remaining) [2024-01-31 16:02:16,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (152 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 187 remaining) [2024-01-31 16:02:16,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (145 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 187 remaining) [2024-01-31 16:02:16,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (137 of 187 remaining) [2024-01-31 16:02:16,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 187 remaining) [2024-01-31 16:02:16,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (130 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (128 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (127 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 187 remaining) [2024-01-31 16:02:16,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 187 remaining) [2024-01-31 16:02:16,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 187 remaining) [2024-01-31 16:02:16,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (105 of 187 remaining) [2024-01-31 16:02:16,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 187 remaining) [2024-01-31 16:02:16,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 187 remaining) [2024-01-31 16:02:16,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 187 remaining) [2024-01-31 16:02:16,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 187 remaining) [2024-01-31 16:02:16,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 187 remaining) [2024-01-31 16:02:16,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (99 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (98 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (96 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (95 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 187 remaining) [2024-01-31 16:02:16,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (90 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 187 remaining) [2024-01-31 16:02:16,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (83 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 187 remaining) [2024-01-31 16:02:16,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (75 of 187 remaining) [2024-01-31 16:02:16,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (68 of 187 remaining) [2024-01-31 16:02:16,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (66 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (65 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 187 remaining) [2024-01-31 16:02:16,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 187 remaining) [2024-01-31 16:02:16,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 187 remaining) [2024-01-31 16:02:16,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 187 remaining) [2024-01-31 16:02:16,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 187 remaining) [2024-01-31 16:02:16,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 187 remaining) [2024-01-31 16:02:16,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 187 remaining) [2024-01-31 16:02:16,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 187 remaining) [2024-01-31 16:02:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (43 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 187 remaining) [2024-01-31 16:02:16,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (37 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (36 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (34 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (33 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 187 remaining) [2024-01-31 16:02:16,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (28 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 187 remaining) [2024-01-31 16:02:16,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (21 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 187 remaining) [2024-01-31 16:02:16,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (13 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 187 remaining) [2024-01-31 16:02:16,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (6 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (4 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (3 of 187 remaining) [2024-01-31 16:02:16,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 187 remaining) [2024-01-31 16:02:16,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 187 remaining) [2024-01-31 16:02:16,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 187 remaining) [2024-01-31 16:02:16,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:02:16,568 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-31 16:02:16,569 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-31 16:02:16,570 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-31 16:02:16,830 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-31 16:02:16,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 692 places, 805 transitions, 1628 flow [2024-01-31 16:02:16,981 INFO L124 PetriNetUnfolderBase]: 120/811 cut-off events. [2024-01-31 16:02:16,982 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-31 16:02:17,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 811 events. 120/811 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5378 event pairs, 0 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 800. Up to 10 conditions per place. [2024-01-31 16:02:17,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 692 places, 805 transitions, 1628 flow [2024-01-31 16:02:17,042 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 692 places, 805 transitions, 1628 flow [2024-01-31 16:02:17,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:02:17,044 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;@5c9ea0b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:02:17,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 249 error locations. [2024-01-31 16:02:17,046 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:02:17,046 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-31 16:02:17,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-31 16:02:17,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:02:17,046 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:02:17,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 246 more)] === [2024-01-31 16:02:17,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:02:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1947271937, now seen corresponding path program 1 times [2024-01-31 16:02:17,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:02:17,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904036505] [2024-01-31 16:02:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:02:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:02:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:02:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:02:17,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:02:17,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904036505] [2024-01-31 16:02:17,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904036505] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:02:17,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:02:17,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:02:17,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138378155] [2024-01-31 16:02:17,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:02:17,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:02:17,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:02:17,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:02:17,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:02:17,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 805 [2024-01-31 16:02:17,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 805 transitions, 1628 flow. Second operand has 4 states, 4 states have (on average 377.25) internal successors, (1509), 4 states have internal predecessors, (1509), 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) [2024-01-31 16:02:17,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:02:17,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 805 [2024-01-31 16:02:17,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand