./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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:26:37,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:26:37,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:26:37,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:26:37,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:26:37,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:26:37,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:26:37,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:26:37,987 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:26:37,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:26:37,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:26:37,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:26:37,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:26:37,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:26:37,993 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:26:37,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:26:37,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:26:37,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:26:37,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:26:37,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:26:37,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:26:37,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:26:37,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:26:37,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:26:37,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:26:37,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:26:37,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:26:37,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:26:37,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:26:37,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:26:37,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:26:37,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:26:37,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:37,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:26:37,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:26:37,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:26:37,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:26:38,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:26:38,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:26:38,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:26:38,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:26:38,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:26:38,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:26:38,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:26:38,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:26:38,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:26:38,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:26:38,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:26:38,242 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:26:38,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml [2024-02-05 10:26:38,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:26:38,319 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:26:38,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-05 10:26:39,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:26:39,608 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:26:39,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-05 10:26:39,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f907eaba3/bb0726cc18a243bdbef6023c986b0ca0/FLAG7a6fec868 [2024-02-05 10:26:39,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f907eaba3/bb0726cc18a243bdbef6023c986b0ca0 [2024-02-05 10:26:39,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:26:39,637 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:26:39,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:39,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:26:39,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:26:39,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:38" (1/2) ... [2024-02-05 10:26:39,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d62651f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:39, skipping insertion in model container [2024-02-05 10:26:39,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:38" (1/2) ... [2024-02-05 10:26:39,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20cf2df2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:39, skipping insertion in model container [2024-02-05 10:26:39,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:39" (2/2) ... [2024-02-05 10:26:39,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d62651f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:39, skipping insertion in model container [2024-02-05 10:26:39,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:39" (2/2) ... [2024-02-05 10:26:39,648 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:26:39,722 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:26:39,723 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] COND == (_Bool)0 [2024-02-05 10:26:39,724 INFO L101 nessWitnessExtractor]: Location invariant before [L693-L693] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,724 INFO L101 nessWitnessExtractor]: Location invariant after [L790-L790] (unsigned long )arg == 0UL [2024-02-05 10:26:39,724 INFO L101 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-02-05 10:26:39,724 INFO L101 nessWitnessExtractor]: Location invariant before [L709-L709] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant after [L794-L794] (unsigned long )arg == 0UL [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant before [L708-L708] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant before [L721-L721] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-02-05 10:26:39,725 INFO L101 nessWitnessExtractor]: Location invariant after [L796-L796] (unsigned long )arg == 0UL [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant after [L789-L789] (unsigned long )arg == 0UL [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L691-L691] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L796-L796] (unsigned long )arg == 0UL [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L789-L789] (unsigned long )arg == 0UL [2024-02-05 10:26:39,726 INFO L101 nessWitnessExtractor]: Location invariant before [L797-L797] (unsigned long )arg == 0UL [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L716-L716] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L692-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L794-L794] (unsigned long )arg == 0UL [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L703-L703] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,727 INFO L101 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant before [L777-L777] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant before [L702-L702] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant after [L791-L791] (unsigned long )arg == 0UL [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Loop invariant at [L745-L745] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,728 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Loop invariant at [L741-L741] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Location invariant before [L722-L722] COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,729 INFO L101 nessWitnessExtractor]: Location invariant before [L795-L795] (unsigned long )arg == 0UL [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant after [L795-L795] (unsigned long )arg == 0UL [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,731 INFO L101 nessWitnessExtractor]: Location invariant before [L723-L723] COND == (_Bool)1 [2024-02-05 10:26:39,732 INFO L101 nessWitnessExtractor]: Location invariant before [L790-L790] (unsigned long )arg == 0UL [2024-02-05 10:26:39,732 INFO L101 nessWitnessExtractor]: Location invariant before [L788-L788] (unsigned long )arg == 0UL [2024-02-05 10:26:39,732 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,732 INFO L101 nessWitnessExtractor]: Location invariant before [L791-L791] (unsigned long )arg == 0UL [2024-02-05 10:26:39,732 INFO L101 nessWitnessExtractor]: Location invariant before [L792-L792] (unsigned long )arg == 0UL [2024-02-05 10:26:39,733 INFO L101 nessWitnessExtractor]: Location invariant after [L792-L792] (unsigned long )arg == 0UL [2024-02-05 10:26:39,733 INFO L101 nessWitnessExtractor]: Location invariant before [L704-L704] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,733 INFO L101 nessWitnessExtractor]: Location invariant before [L797-L797] (unsigned long )arg == 0UL [2024-02-05 10:26:39,733 INFO L101 nessWitnessExtractor]: Location invariant after [L797-L797] (unsigned long )arg == 0UL [2024-02-05 10:26:39,733 INFO L101 nessWitnessExtractor]: Loop invariant at [L787-L787] (unsigned long )arg == 0UL [2024-02-05 10:26:39,734 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-02-05 10:26:39,734 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,735 INFO L101 nessWitnessExtractor]: Location invariant before [L755-L755] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-05 10:26:39,735 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] (unsigned long )arg == 0UL [2024-02-05 10:26:39,735 INFO L101 nessWitnessExtractor]: Location invariant after [L793-L793] (unsigned long )arg == 0UL [2024-02-05 10:26:39,781 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:26:40,091 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] [2024-02-05 10:26:40,097 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[30687,30700] [2024-02-05 10:26:40,105 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] [2024-02-05 10:26:40,107 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] [2024-02-05 10:26:40,108 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] [2024-02-05 10:26:40,113 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] [2024-02-05 10:26:40,115 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] [2024-02-05 10:26:40,117 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] [2024-02-05 10:26:40,118 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] [2024-02-05 10:26:40,119 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] [2024-02-05 10:26:40,121 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] [2024-02-05 10:26:40,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:40,148 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-05 10:26:40,212 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 [2024-02-05 10:26:40,219 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 [2024-02-05 10:26:40,228 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 [2024-02-05 10:26:40,233 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] [2024-02-05 10:26:40,233 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 [2024-02-05 10:26:40,250 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 [2024-02-05 10:26:40,252 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] [2024-02-05 10:26:40,252 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] [2024-02-05 10:26:40,253 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] [2024-02-05 10:26:40,253 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 [2024-02-05 10:26:40,256 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 [2024-02-05 10:26:40,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:40,303 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:26:40,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40 WrapperNode [2024-02-05 10:26:40,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:40,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:40,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:26:40,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:26:40,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,376 INFO L138 Inliner]: procedures = 174, calls = 65, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 407 [2024-02-05 10:26:40,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:40,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:26:40,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:26:40,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:26:40,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,442 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]. [2024-02-05 10:26:40,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:26:40,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:26:40,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:26:40,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:26:40,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (1/1) ... [2024-02-05 10:26:40,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:40,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:26:40,510 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) [2024-02-05 10:26:40,528 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 [2024-02-05 10:26:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-05 10:26:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-05 10:26:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:26:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:26:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:26:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:26:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:26:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:26:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:26:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-05 10:26:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:26:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:26:40,543 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:26:40,679 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:26:40,681 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:26:41,138 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:26:41,138 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:26:41,284 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:26:41,284 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-02-05 10:26:41,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:26:41 BoogieIcfgContainer [2024-02-05 10:26:41,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:26:41,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:26:41,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:26:41,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:26:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:38" (1/4) ... [2024-02-05 10:26:41,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6048a093 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:26:41, skipping insertion in model container [2024-02-05 10:26:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:26:39" (2/4) ... [2024-02-05 10:26:41,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6048a093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:26:41, skipping insertion in model container [2024-02-05 10:26:41,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:40" (3/4) ... [2024-02-05 10:26:41,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6048a093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:26:41, skipping insertion in model container [2024-02-05 10:26:41,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:26:41" (4/4) ... [2024-02-05 10:26:41,291 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-05 10:26:41,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:26:41,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2024-02-05 10:26:41,316 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:26:41,444 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:26:41,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 271 transitions, 546 flow [2024-02-05 10:26:41,539 INFO L124 PetriNetUnfolderBase]: 40/273 cut-off events. [2024-02-05 10:26:41,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:26:41,544 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. [2024-02-05 10:26:41,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 271 transitions, 546 flow [2024-02-05 10:26:41,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 271 transitions, 546 flow [2024-02-05 10:26:41,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:26:41,570 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;@66d169c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:26:41,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-02-05 10:26:41,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:26:41,573 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-02-05 10:26:41,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:26:41,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:26:41,574 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:26:41,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-05 10:26:41,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:26:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1065543980, now seen corresponding path program 1 times [2024-02-05 10:26:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:26:41,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81133079] [2024-02-05 10:26:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:26:41,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:26:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:26:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:26:41,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:26:41,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81133079] [2024-02-05 10:26:41,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81133079] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:26:41,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:26:41,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:26:41,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043731666] [2024-02-05 10:26:41,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:26:41,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:26:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:26:41,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:26:41,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:26:41,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 271 [2024-02-05 10:26:41,967 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) [2024-02-05 10:26:41,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:26:41,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 271 [2024-02-05 10:26:41,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:26:42,168 INFO L124 PetriNetUnfolderBase]: 145/518 cut-off events. [2024-02-05 10:26:42,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:26:42,170 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. [2024-02-05 10:26:42,173 INFO L140 encePairwiseOnDemand]: 232/271 looper letters, 112 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-02-05 10:26:42,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 215 transitions, 662 flow [2024-02-05 10:26:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:26:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:26:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 601 transitions. [2024-02-05 10:26:42,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5544280442804428 [2024-02-05 10:26:42,192 INFO L175 Difference]: Start difference. First operand has 234 places, 271 transitions, 546 flow. Second operand 4 states and 601 transitions. [2024-02-05 10:26:42,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 215 transitions, 662 flow [2024-02-05 10:26:42,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 215 transitions, 662 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-05 10:26:42,200 INFO L231 Difference]: Finished difference. Result has 194 places, 213 transitions, 434 flow [2024-02-05 10:26:42,202 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} [2024-02-05 10:26:42,205 INFO L281 CegarLoopForPetriNet]: 234 programPoint places, -40 predicate places. [2024-02-05 10:26:42,205 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 213 transitions, 434 flow [2024-02-05 10:26:42,206 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) [2024-02-05 10:26:42,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:26:42,206 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-02-05 10:26:42,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:26:42,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-05 10:26:42,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:26:42,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1065538293, now seen corresponding path program 1 times [2024-02-05 10:26:42,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:26:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650926134] [2024-02-05 10:26:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:26:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:26:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:26:42,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:26:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:26:42,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:26:42,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:26:42,274 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (124 of 125 remaining) [2024-02-05 10:26:42,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 125 remaining) [2024-02-05 10:26:42,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 125 remaining) [2024-02-05 10:26:42,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 125 remaining) [2024-02-05 10:26:42,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 125 remaining) [2024-02-05 10:26:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 125 remaining) [2024-02-05 10:26:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (105 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 125 remaining) [2024-02-05 10:26:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (99 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (98 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 125 remaining) [2024-02-05 10:26:42,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (96 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (95 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 125 remaining) [2024-02-05 10:26:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (90 of 125 remaining) [2024-02-05 10:26:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 125 remaining) [2024-02-05 10:26:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 125 remaining) [2024-02-05 10:26:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 125 remaining) [2024-02-05 10:26:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 125 remaining) [2024-02-05 10:26:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (83 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 125 remaining) [2024-02-05 10:26:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (75 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 125 remaining) [2024-02-05 10:26:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (68 of 125 remaining) [2024-02-05 10:26:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (66 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (65 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 125 remaining) [2024-02-05 10:26:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 125 remaining) [2024-02-05 10:26:42,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 125 remaining) [2024-02-05 10:26:42,288 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (43 of 125 remaining) [2024-02-05 10:26:42,289 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (37 of 125 remaining) [2024-02-05 10:26:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (36 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (34 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (33 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 125 remaining) [2024-02-05 10:26:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (28 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 125 remaining) [2024-02-05 10:26:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (21 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 125 remaining) [2024-02-05 10:26:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (13 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 125 remaining) [2024-02-05 10:26:42,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (6 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 125 remaining) [2024-02-05 10:26:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (4 of 125 remaining) [2024-02-05 10:26:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (3 of 125 remaining) [2024-02-05 10:26:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 125 remaining) [2024-02-05 10:26:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 125 remaining) [2024-02-05 10:26:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 125 remaining) [2024-02-05 10:26:42,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:26:42,297 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-05 10:26:42,299 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-05 10:26:42,299 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-05 10:26:42,362 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:26:42,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 538 transitions, 1086 flow [2024-02-05 10:26:42,483 INFO L124 PetriNetUnfolderBase]: 80/542 cut-off events. [2024-02-05 10:26:42,483 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:26:42,505 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. [2024-02-05 10:26:42,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 538 transitions, 1086 flow [2024-02-05 10:26:42,533 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 538 transitions, 1086 flow [2024-02-05 10:26:42,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:26:42,538 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;@66d169c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:26:42,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2024-02-05 10:26:42,540 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:26:42,540 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-02-05 10:26:42,541 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-05 10:26:42,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:26:42,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:26:42,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 184 more)] === [2024-02-05 10:26:42,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:26:42,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1579224208, now seen corresponding path program 1 times [2024-02-05 10:26:42,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:26:42,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008811810] [2024-02-05 10:26:42,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:26:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:26:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:26:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:26:42,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:26:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008811810] [2024-02-05 10:26:42,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008811810] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:26:42,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:26:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:26:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95165474] [2024-02-05 10:26:42,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:26:42,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:26:42,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:26:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:26:42,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:26:42,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 538 [2024-02-05 10:26:42,692 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) [2024-02-05 10:26:42,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:26:42,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 538 [2024-02-05 10:26:42,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:26:47,881 INFO L124 PetriNetUnfolderBase]: 35395/71345 cut-off events. [2024-02-05 10:26:47,881 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-02-05 10:26:47,998 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. [2024-02-05 10:26:48,325 INFO L140 encePairwiseOnDemand]: 483/538 looper letters, 330 selfloop transitions, 2 changer transitions 0/554 dead transitions. [2024-02-05 10:26:48,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 554 transitions, 1787 flow [2024-02-05 10:26:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:26:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:26:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1379 transitions. [2024-02-05 10:26:48,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6407992565055762 [2024-02-05 10:26:48,329 INFO L175 Difference]: Start difference. First operand has 463 places, 538 transitions, 1086 flow. Second operand 4 states and 1379 transitions. [2024-02-05 10:26:48,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 554 transitions, 1787 flow [2024-02-05 10:26:48,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 554 transitions, 1787 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-05 10:26:48,342 INFO L231 Difference]: Finished difference. Result has 401 places, 443 transitions, 900 flow [2024-02-05 10:26:48,343 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} [2024-02-05 10:26:48,344 INFO L281 CegarLoopForPetriNet]: 463 programPoint places, -62 predicate places. [2024-02-05 10:26:48,344 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 443 transitions, 900 flow [2024-02-05 10:26:48,344 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) [2024-02-05 10:26:48,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:26:48,345 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-02-05 10:26:48,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:26:48,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 184 more)] === [2024-02-05 10:26:48,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:26:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1497670617, now seen corresponding path program 1 times [2024-02-05 10:26:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:26:48,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187896110] [2024-02-05 10:26:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:26:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:26:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:26:48,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:26:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:26:48,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:26:48,405 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (186 of 187 remaining) [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (185 of 187 remaining) [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (184 of 187 remaining) [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (183 of 187 remaining) [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (182 of 187 remaining) [2024-02-05 10:26:48,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (181 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (180 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (179 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (178 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (177 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (176 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (175 of 187 remaining) [2024-02-05 10:26:48,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (174 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 187 remaining) [2024-02-05 10:26:48,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (167 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 187 remaining) [2024-02-05 10:26:48,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (161 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (160 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (158 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (157 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 187 remaining) [2024-02-05 10:26:48,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 187 remaining) [2024-02-05 10:26:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 187 remaining) [2024-02-05 10:26:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (152 of 187 remaining) [2024-02-05 10:26:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 187 remaining) [2024-02-05 10:26:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 187 remaining) [2024-02-05 10:26:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (145 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 187 remaining) [2024-02-05 10:26:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 187 remaining) [2024-02-05 10:26:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (137 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 187 remaining) [2024-02-05 10:26:48,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (130 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (128 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (127 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 187 remaining) [2024-02-05 10:26:48,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 187 remaining) [2024-02-05 10:26:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 187 remaining) [2024-02-05 10:26:48,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (105 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 187 remaining) [2024-02-05 10:26:48,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (99 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (98 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (96 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (95 of 187 remaining) [2024-02-05 10:26:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (90 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 187 remaining) [2024-02-05 10:26:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (83 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 187 remaining) [2024-02-05 10:26:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (75 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 187 remaining) [2024-02-05 10:26:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (68 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (66 of 187 remaining) [2024-02-05 10:26:48,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (65 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 187 remaining) [2024-02-05 10:26:48,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 187 remaining) [2024-02-05 10:26:48,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 187 remaining) [2024-02-05 10:26:48,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONERROR_FUNCTION (43 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 187 remaining) [2024-02-05 10:26:48,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONERROR_FUNCTION (37 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (36 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONERROR_FUNCTION (34 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (33 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 187 remaining) [2024-02-05 10:26:48,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONERROR_FUNCTION (28 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 187 remaining) [2024-02-05 10:26:48,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONERROR_FUNCTION (21 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 187 remaining) [2024-02-05 10:26:48,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONERROR_FUNCTION (13 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 187 remaining) [2024-02-05 10:26:48,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (6 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONERROR_FUNCTION (4 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONERROR_FUNCTION (3 of 187 remaining) [2024-02-05 10:26:48,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 187 remaining) [2024-02-05 10:26:48,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 187 remaining) [2024-02-05 10:26:48,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 187 remaining) [2024-02-05 10:26:48,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:26:48,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-05 10:26:48,434 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-05 10:26:48,434 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-02-05 10:26:48,557 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:26:48,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 692 places, 805 transitions, 1628 flow [2024-02-05 10:26:48,727 INFO L124 PetriNetUnfolderBase]: 120/811 cut-off events. [2024-02-05 10:26:48,727 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-02-05 10:26:48,747 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. [2024-02-05 10:26:48,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 692 places, 805 transitions, 1628 flow [2024-02-05 10:26:48,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 692 places, 805 transitions, 1628 flow [2024-02-05 10:26:48,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:26:48,773 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;@66d169c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:26:48,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 249 error locations. [2024-02-05 10:26:48,775 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:26:48,775 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-02-05 10:26:48,775 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-05 10:26:48,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:26:48,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:26:48,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 246 more)] === [2024-02-05 10:26:48,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:26:48,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1947271937, now seen corresponding path program 1 times [2024-02-05 10:26:48,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:26:48,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549104347] [2024-02-05 10:26:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:26:48,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:26:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:26:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:26:48,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:26:48,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549104347] [2024-02-05 10:26:48,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549104347] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:26:48,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:26:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:26:48,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711715526] [2024-02-05 10:26:48,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:26:48,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:26:48,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:26:48,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:26:48,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:26:48,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 805 [2024-02-05 10:26:48,874 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) [2024-02-05 10:26:48,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:26:48,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 805 [2024-02-05 10:26:48,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand