./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_24-multiple-protecting_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_24-multiple-protecting_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:16:30,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:16:30,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:16:30,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:16:30,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:16:30,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:16:30,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:16:30,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:16:30,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:16:30,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:16:30,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:16:30,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:16:30,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:16:30,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:16:30,949 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:16:30,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:16:30,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:16:30,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:16:30,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:16:30,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:16:30,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:16:30,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:16:30,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:16:30,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:16:30,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:16:30,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:16:30,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:16:30,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:16:30,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:16:30,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:16:30,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:16:30,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:16:30,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:16:30,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:16:30,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:16:30,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:16:30,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:16:30,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:16:30,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:16:30,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:16:30,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:16:30,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:16:30,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:16:30,956 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:16:31,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:16:31,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:16:31,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:16:31,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:16:31,226 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:16:31,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-01-29 14:16:32,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:16:32,503 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:16:32,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-01-29 14:16:32,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7004f8450/2143ae2cf95145a490167a4fd436fdea/FLAG176467a5b [2024-01-29 14:16:32,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7004f8450/2143ae2cf95145a490167a4fd436fdea [2024-01-29 14:16:32,537 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:16:32,537 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:16:32,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_24-multiple-protecting_true.yml/witness.yml [2024-01-29 14:16:32,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:16:32,655 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:16:32,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:16:32,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:16:32,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:16:32,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:16:32" (1/2) ... [2024-01-29 14:16:32,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adb4637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:16:32, skipping insertion in model container [2024-01-29 14:16:32,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:16:32" (1/2) ... [2024-01-29 14:16:32,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fd46bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:16:32, skipping insertion in model container [2024-01-29 14:16:32,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:16:32" (2/2) ... [2024-01-29 14:16:32,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adb4637 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:32, skipping insertion in model container [2024-01-29 14:16:32,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:16:32" (2/2) ... [2024-01-29 14:16:32,663 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:16:32,715 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:16:32,716 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] g1 == 0 [2024-01-29 14:16:32,717 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] g2 == 0 [2024-01-29 14:16:32,717 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned long )arg == 0UL [2024-01-29 14:16:32,717 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] g1 == 0 [2024-01-29 14:16:32,717 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] g2 == 0 [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] g1 == 1 [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (unsigned long )arg == 0UL [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (unsigned long )arg == 0UL [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] g1 == 0 [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] g1 == 0 [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] g2 == 0 [2024-01-29 14:16:32,718 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g2 == 0 [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g1 == 0 [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] g1 == 0 [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] g1 == 0 [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] g2 == 0 [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-29 14:16:32,719 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g2 == 1 [2024-01-29 14:16:32,720 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g1 == 0 [2024-01-29 14:16:32,720 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 14:16:32,720 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 14:16:32,720 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g1 == 0 [2024-01-29 14:16:32,720 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] g2 == 0 [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] g1 == 0 [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g1 == 1 [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g2 == 0 [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g2 == 1 [2024-01-29 14:16:32,721 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (unsigned long )arg == 0UL [2024-01-29 14:16:32,722 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g1 == 0 [2024-01-29 14:16:32,722 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] g1 == 0 [2024-01-29 14:16:32,722 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] g2 == 0 [2024-01-29 14:16:32,722 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] g1 == 0 [2024-01-29 14:16:32,722 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] g1 == 0 [2024-01-29 14:16:32,723 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] g2 == 0 [2024-01-29 14:16:32,723 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] g1 == 0 [2024-01-29 14:16:32,723 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] g2 == 0 [2024-01-29 14:16:32,724 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] g2 == 0 [2024-01-29 14:16:32,724 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] g1 == 0 [2024-01-29 14:16:32,724 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] g1 == 0 [2024-01-29 14:16:32,724 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (unsigned long )arg == 0UL [2024-01-29 14:16:32,724 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] g2 == 0 [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (unsigned long )arg == 0UL [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g1 == 0 [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g2 == 0 [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] g1 == 0 [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] g1 == 0 [2024-01-29 14:16:32,725 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] g2 == 0 [2024-01-29 14:16:32,726 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] g1 == 0 [2024-01-29 14:16:32,726 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] g2 == 0 [2024-01-29 14:16:32,726 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] g2 == 0 [2024-01-29 14:16:32,726 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-29 14:16:32,727 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] g1 == 1 [2024-01-29 14:16:32,727 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] g1 == 0 [2024-01-29 14:16:32,727 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] g2 == 0 [2024-01-29 14:16:32,727 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g2 == 1 [2024-01-29 14:16:32,727 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (unsigned long )arg == 0UL [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] g1 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] g2 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L695] g2 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L695] (unsigned long )arg == 0UL [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g2 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g1 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g1 == 0 [2024-01-29 14:16:32,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g2 == 0 [2024-01-29 14:16:32,729 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] g1 == 0 [2024-01-29 14:16:32,729 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] g2 == 0 [2024-01-29 14:16:32,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:16:32,895 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2024-01-29 14:16:33,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:16:33,041 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:16:33,052 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2024-01-29 14:16:33,053 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:16:33,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:16:33,179 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:16:33,179 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33 WrapperNode [2024-01-29 14:16:33,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:16:33,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:16:33,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:16:33,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:16:33,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,238 INFO L138 Inliner]: procedures = 163, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2024-01-29 14:16:33,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:16:33,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:16:33,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:16:33,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:16:33,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,268 INFO L175 MemorySlicer]: Split 19 memory accesses to 5 slices as follows [2, 5, 2, 5, 5]. 26 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 0, 5, 5]. The 1 writes are split as follows [0, 0, 1, 0, 0]. [2024-01-29 14:16:33,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:16:33,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:16:33,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:16:33,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:16:33,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (1/1) ... [2024-01-29 14:16:33,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:16:33,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:16:33,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:16:33,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:16:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:16:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 14:16:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 14:16:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:16:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:16:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:16:33,351 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:16:33,489 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:16:33,490 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:16:33,815 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:16:33,815 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:16:33,922 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:16:33,922 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:16:33,922 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:16:33 BoogieIcfgContainer [2024-01-29 14:16:33,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:16:33,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:16:33,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:16:33,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:16:33,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:16:32" (1/4) ... [2024-01-29 14:16:33,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153e6205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:16:33, skipping insertion in model container [2024-01-29 14:16:33,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:16:32" (2/4) ... [2024-01-29 14:16:33,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153e6205 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:16:33, skipping insertion in model container [2024-01-29 14:16:33,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:16:33" (3/4) ... [2024-01-29 14:16:33,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153e6205 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:16:33, skipping insertion in model container [2024-01-29 14:16:33,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:16:33" (4/4) ... [2024-01-29 14:16:33,932 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-01-29 14:16:33,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:16:33,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2024-01-29 14:16:33,945 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:16:34,029 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:16:34,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 209 transitions, 425 flow [2024-01-29 14:16:34,130 INFO L124 PetriNetUnfolderBase]: 4/208 cut-off events. [2024-01-29 14:16:34,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:16:34,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 208 events. 4/208 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 379 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 200. Up to 2 conditions per place. [2024-01-29 14:16:34,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 209 transitions, 425 flow [2024-01-29 14:16:34,143 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 206 places, 206 transitions, 415 flow [2024-01-29 14:16:34,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:16:34,157 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;@77ffc6d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:16:34,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-01-29 14:16:34,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:16:34,159 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:16:34,159 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:16:34,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:34,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:16:34,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:34,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:34,164 INFO L85 PathProgramCache]: Analyzing trace with hash 19924, now seen corresponding path program 1 times [2024-01-29 14:16:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:34,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135383018] [2024-01-29 14:16:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:34,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:34,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:34,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135383018] [2024-01-29 14:16:34,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135383018] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:34,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:34,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:16:34,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510172437] [2024-01-29 14:16:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:34,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:16:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:16:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:16:34,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 209 [2024-01-29 14:16:34,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 206 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:34,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:34,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 209 [2024-01-29 14:16:34,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:35,055 INFO L124 PetriNetUnfolderBase]: 897/4046 cut-off events. [2024-01-29 14:16:35,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:16:35,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6075 conditions, 4046 events. 897/4046 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 33827 event pairs, 684 based on Foata normal form. 205/3479 useless extension candidates. Maximal degree in co-relation 6061. Up to 1655 conditions per place. [2024-01-29 14:16:35,104 INFO L140 encePairwiseOnDemand]: 169/209 looper letters, 92 selfloop transitions, 14 changer transitions 0/227 dead transitions. [2024-01-29 14:16:35,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 227 transitions, 669 flow [2024-01-29 14:16:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:16:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:16:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 503 transitions. [2024-01-29 14:16:35,132 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8022328548644339 [2024-01-29 14:16:35,134 INFO L175 Difference]: Start difference. First operand has 206 places, 206 transitions, 415 flow. Second operand 3 states and 503 transitions. [2024-01-29 14:16:35,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 227 transitions, 669 flow [2024-01-29 14:16:35,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 227 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:16:35,148 INFO L231 Difference]: Finished difference. Result has 200 places, 204 transitions, 514 flow [2024-01-29 14:16:35,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=200, PETRI_TRANSITIONS=204} [2024-01-29 14:16:35,153 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -6 predicate places. [2024-01-29 14:16:35,153 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 204 transitions, 514 flow [2024-01-29 14:16:35,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:35,154 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:35,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:16:35,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:16:35,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:35,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash 618340, now seen corresponding path program 1 times [2024-01-29 14:16:35,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:35,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132208402] [2024-01-29 14:16:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:35,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132208402] [2024-01-29 14:16:35,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132208402] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:35,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:35,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:16:35,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271172503] [2024-01-29 14:16:35,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:35,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:16:35,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:35,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:16:35,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:16:35,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 209 [2024-01-29 14:16:35,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 204 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:35,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:35,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 209 [2024-01-29 14:16:35,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:35,823 INFO L124 PetriNetUnfolderBase]: 1407/6433 cut-off events. [2024-01-29 14:16:35,823 INFO L125 PetriNetUnfolderBase]: For 377/379 co-relation queries the response was YES. [2024-01-29 14:16:35,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10573 conditions, 6433 events. 1407/6433 cut-off events. For 377/379 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 59144 event pairs, 971 based on Foata normal form. 96/5665 useless extension candidates. Maximal degree in co-relation 10558. Up to 2661 conditions per place. [2024-01-29 14:16:35,851 INFO L140 encePairwiseOnDemand]: 163/209 looper letters, 101 selfloop transitions, 19 changer transitions 0/234 dead transitions. [2024-01-29 14:16:35,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 234 transitions, 816 flow [2024-01-29 14:16:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:16:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:16:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-01-29 14:16:35,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7783094098883573 [2024-01-29 14:16:35,853 INFO L175 Difference]: Start difference. First operand has 200 places, 204 transitions, 514 flow. Second operand 3 states and 488 transitions. [2024-01-29 14:16:35,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 234 transitions, 816 flow [2024-01-29 14:16:35,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 234 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:16:35,865 INFO L231 Difference]: Finished difference. Result has 194 places, 213 transitions, 652 flow [2024-01-29 14:16:35,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=194, PETRI_TRANSITIONS=213} [2024-01-29 14:16:35,866 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -12 predicate places. [2024-01-29 14:16:35,866 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 213 transitions, 652 flow [2024-01-29 14:16:35,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:35,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:35,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:16:35,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:16:35,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:35,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:35,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1241908690, now seen corresponding path program 1 times [2024-01-29 14:16:35,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:35,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186882306] [2024-01-29 14:16:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:35,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:35,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186882306] [2024-01-29 14:16:35,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186882306] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:35,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:35,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:16:35,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800104621] [2024-01-29 14:16:35,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:16:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:35,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:16:35,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:16:36,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 209 [2024-01-29 14:16:36,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 213 transitions, 652 flow. Second operand has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:36,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:36,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 209 [2024-01-29 14:16:36,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:36,504 INFO L124 PetriNetUnfolderBase]: 792/4482 cut-off events. [2024-01-29 14:16:36,505 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-01-29 14:16:36,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7761 conditions, 4482 events. 792/4482 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 39812 event pairs, 546 based on Foata normal form. 717/4877 useless extension candidates. Maximal degree in co-relation 7744. Up to 1549 conditions per place. [2024-01-29 14:16:36,531 INFO L140 encePairwiseOnDemand]: 190/209 looper letters, 68 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2024-01-29 14:16:36,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 218 transitions, 810 flow [2024-01-29 14:16:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:16:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:16:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 654 transitions. [2024-01-29 14:16:36,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822966507177034 [2024-01-29 14:16:36,575 INFO L175 Difference]: Start difference. First operand has 194 places, 213 transitions, 652 flow. Second operand 4 states and 654 transitions. [2024-01-29 14:16:36,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 218 transitions, 810 flow [2024-01-29 14:16:36,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 218 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:16:36,583 INFO L231 Difference]: Finished difference. Result has 178 places, 196 transitions, 584 flow [2024-01-29 14:16:36,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=584, PETRI_PLACES=178, PETRI_TRANSITIONS=196} [2024-01-29 14:16:36,586 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -28 predicate places. [2024-01-29 14:16:36,586 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 196 transitions, 584 flow [2024-01-29 14:16:36,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 144.25) internal successors, (577), 4 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:36,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:36,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:36,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:16:36,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:36,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:36,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1198194680, now seen corresponding path program 1 times [2024-01-29 14:16:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:36,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952560822] [2024-01-29 14:16:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:36,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:36,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952560822] [2024-01-29 14:16:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952560822] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:36,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:36,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:16:36,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162005960] [2024-01-29 14:16:36,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:36,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:16:36,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:36,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:16:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:16:36,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 209 [2024-01-29 14:16:36,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 196 transitions, 584 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:36,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:36,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 209 [2024-01-29 14:16:36,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:37,449 INFO L124 PetriNetUnfolderBase]: 1640/6195 cut-off events. [2024-01-29 14:16:37,449 INFO L125 PetriNetUnfolderBase]: For 964/1009 co-relation queries the response was YES. [2024-01-29 14:16:37,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11938 conditions, 6195 events. 1640/6195 cut-off events. For 964/1009 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 53392 event pairs, 940 based on Foata normal form. 31/5859 useless extension candidates. Maximal degree in co-relation 11921. Up to 2576 conditions per place. [2024-01-29 14:16:37,483 INFO L140 encePairwiseOnDemand]: 180/209 looper letters, 129 selfloop transitions, 38 changer transitions 0/254 dead transitions. [2024-01-29 14:16:37,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 254 transitions, 1058 flow [2024-01-29 14:16:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:16:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:16:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 702 transitions. [2024-01-29 14:16:37,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6717703349282297 [2024-01-29 14:16:37,486 INFO L175 Difference]: Start difference. First operand has 178 places, 196 transitions, 584 flow. Second operand 5 states and 702 transitions. [2024-01-29 14:16:37,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 254 transitions, 1058 flow [2024-01-29 14:16:37,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 254 transitions, 1055 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:16:37,491 INFO L231 Difference]: Finished difference. Result has 180 places, 203 transitions, 765 flow [2024-01-29 14:16:37,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=765, PETRI_PLACES=180, PETRI_TRANSITIONS=203} [2024-01-29 14:16:37,492 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -26 predicate places. [2024-01-29 14:16:37,492 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 203 transitions, 765 flow [2024-01-29 14:16:37,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:37,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:37,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:37,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:16:37,493 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:37,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:37,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1998451044, now seen corresponding path program 1 times [2024-01-29 14:16:37,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:37,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948698604] [2024-01-29 14:16:37,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:37,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:37,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:37,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948698604] [2024-01-29 14:16:37,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948698604] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:37,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:37,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:16:37,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674140186] [2024-01-29 14:16:37,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:37,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:16:37,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:37,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:16:37,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:16:37,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 209 [2024-01-29 14:16:37,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 203 transitions, 765 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:37,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:37,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 209 [2024-01-29 14:16:37,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:38,055 INFO L124 PetriNetUnfolderBase]: 1174/5022 cut-off events. [2024-01-29 14:16:38,055 INFO L125 PetriNetUnfolderBase]: For 2352/2427 co-relation queries the response was YES. [2024-01-29 14:16:38,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10125 conditions, 5022 events. 1174/5022 cut-off events. For 2352/2427 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 42607 event pairs, 957 based on Foata normal form. 346/5252 useless extension candidates. Maximal degree in co-relation 10104. Up to 2377 conditions per place. [2024-01-29 14:16:38,069 INFO L140 encePairwiseOnDemand]: 172/209 looper letters, 119 selfloop transitions, 4 changer transitions 0/216 dead transitions. [2024-01-29 14:16:38,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 216 transitions, 1043 flow [2024-01-29 14:16:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:16:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:16:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 577 transitions. [2024-01-29 14:16:38,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6901913875598086 [2024-01-29 14:16:38,073 INFO L175 Difference]: Start difference. First operand has 180 places, 203 transitions, 765 flow. Second operand 4 states and 577 transitions. [2024-01-29 14:16:38,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 216 transitions, 1043 flow [2024-01-29 14:16:38,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 216 transitions, 1043 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 14:16:38,079 INFO L231 Difference]: Finished difference. Result has 181 places, 197 transitions, 814 flow [2024-01-29 14:16:38,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=814, PETRI_PLACES=181, PETRI_TRANSITIONS=197} [2024-01-29 14:16:38,081 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -25 predicate places. [2024-01-29 14:16:38,081 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 197 transitions, 814 flow [2024-01-29 14:16:38,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:38,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:38,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:38,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:16:38,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:38,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1980366787, now seen corresponding path program 1 times [2024-01-29 14:16:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705529074] [2024-01-29 14:16:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:38,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:38,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705529074] [2024-01-29 14:16:38,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705529074] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:38,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:38,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:16:38,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039381739] [2024-01-29 14:16:38,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:38,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 14:16:38,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:38,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 14:16:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-29 14:16:38,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 209 [2024-01-29 14:16:38,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 197 transitions, 814 flow. Second operand has 5 states, 5 states have (on average 162.6) internal successors, (813), 5 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:38,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:38,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 209 [2024-01-29 14:16:38,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:38,468 INFO L124 PetriNetUnfolderBase]: 400/2490 cut-off events. [2024-01-29 14:16:38,468 INFO L125 PetriNetUnfolderBase]: For 997/1008 co-relation queries the response was YES. [2024-01-29 14:16:38,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4512 conditions, 2490 events. 400/2490 cut-off events. For 997/1008 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 19925 event pairs, 236 based on Foata normal form. 21/2400 useless extension candidates. Maximal degree in co-relation 4487. Up to 534 conditions per place. [2024-01-29 14:16:38,477 INFO L140 encePairwiseOnDemand]: 202/209 looper letters, 73 selfloop transitions, 7 changer transitions 3/203 dead transitions. [2024-01-29 14:16:38,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 203 transitions, 884 flow [2024-01-29 14:16:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:16:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:16:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 725 transitions. [2024-01-29 14:16:38,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8672248803827751 [2024-01-29 14:16:38,479 INFO L175 Difference]: Start difference. First operand has 181 places, 197 transitions, 814 flow. Second operand 4 states and 725 transitions. [2024-01-29 14:16:38,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 203 transitions, 884 flow [2024-01-29 14:16:38,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 203 transitions, 788 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-01-29 14:16:38,484 INFO L231 Difference]: Finished difference. Result has 165 places, 169 transitions, 548 flow [2024-01-29 14:16:38,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=548, PETRI_PLACES=165, PETRI_TRANSITIONS=169} [2024-01-29 14:16:38,485 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -41 predicate places. [2024-01-29 14:16:38,485 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 169 transitions, 548 flow [2024-01-29 14:16:38,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 162.6) internal successors, (813), 5 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:38,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:38,486 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:38,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:16:38,487 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:38,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:38,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1147788601, now seen corresponding path program 1 times [2024-01-29 14:16:38,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:38,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146390437] [2024-01-29 14:16:38,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:38,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:38,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:38,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146390437] [2024-01-29 14:16:38,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146390437] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:38,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:38,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:16:38,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183936033] [2024-01-29 14:16:38,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:38,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:16:38,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:38,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:16:38,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:16:38,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 209 [2024-01-29 14:16:38,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 169 transitions, 548 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:38,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:38,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 209 [2024-01-29 14:16:38,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:39,044 INFO L124 PetriNetUnfolderBase]: 820/3193 cut-off events. [2024-01-29 14:16:39,044 INFO L125 PetriNetUnfolderBase]: For 900/998 co-relation queries the response was YES. [2024-01-29 14:16:39,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6527 conditions, 3193 events. 820/3193 cut-off events. For 900/998 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 24840 event pairs, 467 based on Foata normal form. 49/3122 useless extension candidates. Maximal degree in co-relation 6504. Up to 1311 conditions per place. [2024-01-29 14:16:39,055 INFO L140 encePairwiseOnDemand]: 185/209 looper letters, 110 selfloop transitions, 33 changer transitions 8/226 dead transitions. [2024-01-29 14:16:39,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 226 transitions, 1015 flow [2024-01-29 14:16:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:16:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:16:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 717 transitions. [2024-01-29 14:16:39,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6861244019138756 [2024-01-29 14:16:39,057 INFO L175 Difference]: Start difference. First operand has 165 places, 169 transitions, 548 flow. Second operand 5 states and 717 transitions. [2024-01-29 14:16:39,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 226 transitions, 1015 flow [2024-01-29 14:16:39,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 226 transitions, 1014 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:16:39,065 INFO L231 Difference]: Finished difference. Result has 172 places, 179 transitions, 727 flow [2024-01-29 14:16:39,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=727, PETRI_PLACES=172, PETRI_TRANSITIONS=179} [2024-01-29 14:16:39,066 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -34 predicate places. [2024-01-29 14:16:39,066 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 179 transitions, 727 flow [2024-01-29 14:16:39,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:39,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:39,067 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:39,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:16:39,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:39,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1947621196, now seen corresponding path program 1 times [2024-01-29 14:16:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:39,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452783385] [2024-01-29 14:16:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:39,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:39,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452783385] [2024-01-29 14:16:39,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452783385] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:39,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:39,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:16:39,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469027258] [2024-01-29 14:16:39,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:39,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:16:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:16:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:16:39,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 209 [2024-01-29 14:16:39,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 179 transitions, 727 flow. Second operand has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:39,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:39,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 209 [2024-01-29 14:16:39,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:39,516 INFO L124 PetriNetUnfolderBase]: 613/2561 cut-off events. [2024-01-29 14:16:39,517 INFO L125 PetriNetUnfolderBase]: For 2095/2150 co-relation queries the response was YES. [2024-01-29 14:16:39,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5734 conditions, 2561 events. 613/2561 cut-off events. For 2095/2150 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 19133 event pairs, 496 based on Foata normal form. 182/2662 useless extension candidates. Maximal degree in co-relation 5706. Up to 1153 conditions per place. [2024-01-29 14:16:39,523 INFO L140 encePairwiseOnDemand]: 192/209 looper letters, 89 selfloop transitions, 4 changer transitions 9/179 dead transitions. [2024-01-29 14:16:39,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 179 transitions, 867 flow [2024-01-29 14:16:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:16:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:16:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 583 transitions. [2024-01-29 14:16:39,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6973684210526315 [2024-01-29 14:16:39,525 INFO L175 Difference]: Start difference. First operand has 172 places, 179 transitions, 727 flow. Second operand 4 states and 583 transitions. [2024-01-29 14:16:39,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 179 transitions, 867 flow [2024-01-29 14:16:39,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 179 transitions, 867 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 14:16:39,532 INFO L231 Difference]: Finished difference. Result has 172 places, 159 transitions, 608 flow [2024-01-29 14:16:39,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=608, PETRI_PLACES=172, PETRI_TRANSITIONS=159} [2024-01-29 14:16:39,533 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -34 predicate places. [2024-01-29 14:16:39,533 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 159 transitions, 608 flow [2024-01-29 14:16:39,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:39,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:39,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:39,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:16:39,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:39,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:39,534 INFO L85 PathProgramCache]: Analyzing trace with hash -880551555, now seen corresponding path program 1 times [2024-01-29 14:16:39,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:39,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056035747] [2024-01-29 14:16:39,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:39,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:16:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:16:39,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:16:39,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056035747] [2024-01-29 14:16:39,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056035747] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:16:39,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:16:39,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:16:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020729978] [2024-01-29 14:16:39,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:16:39,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:16:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:16:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:16:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:16:39,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 209 [2024-01-29 14:16:39,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 159 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:39,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:16:39,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 209 [2024-01-29 14:16:39,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:16:39,761 INFO L124 PetriNetUnfolderBase]: 187/1328 cut-off events. [2024-01-29 14:16:39,761 INFO L125 PetriNetUnfolderBase]: For 1110/1117 co-relation queries the response was YES. [2024-01-29 14:16:39,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1328 events. 187/1328 cut-off events. For 1110/1117 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8411 event pairs, 81 based on Foata normal form. 45/1340 useless extension candidates. Maximal degree in co-relation 2749. Up to 265 conditions per place. [2024-01-29 14:16:39,765 INFO L140 encePairwiseOnDemand]: 190/209 looper letters, 39 selfloop transitions, 18 changer transitions 16/170 dead transitions. [2024-01-29 14:16:39,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 170 transitions, 791 flow [2024-01-29 14:16:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:16:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:16:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2024-01-29 14:16:39,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.886762360446571 [2024-01-29 14:16:39,766 INFO L175 Difference]: Start difference. First operand has 172 places, 159 transitions, 608 flow. Second operand 3 states and 556 transitions. [2024-01-29 14:16:39,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 170 transitions, 791 flow [2024-01-29 14:16:39,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 170 transitions, 694 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-01-29 14:16:39,770 INFO L231 Difference]: Finished difference. Result has 157 places, 144 transitions, 508 flow [2024-01-29 14:16:39,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=157, PETRI_TRANSITIONS=144} [2024-01-29 14:16:39,771 INFO L281 CegarLoopForPetriNet]: 206 programPoint places, -49 predicate places. [2024-01-29 14:16:39,772 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 144 transitions, 508 flow [2024-01-29 14:16:39,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:16:39,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:16:39,772 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:39,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:16:39,773 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 108 more)] === [2024-01-29 14:16:39,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:16:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1146177112, now seen corresponding path program 1 times [2024-01-29 14:16:39,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:16:39,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143988355] [2024-01-29 14:16:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:16:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:16:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:16:39,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:16:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:16:39,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:16:39,849 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:16:39,850 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 111 remaining) [2024-01-29 14:16:39,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 111 remaining) [2024-01-29 14:16:39,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 111 remaining) [2024-01-29 14:16:39,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 111 remaining) [2024-01-29 14:16:39,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 111 remaining) [2024-01-29 14:16:39,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (105 of 111 remaining) [2024-01-29 14:16:39,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 111 remaining) [2024-01-29 14:16:39,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 111 remaining) [2024-01-29 14:16:39,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 111 remaining) [2024-01-29 14:16:39,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 111 remaining) [2024-01-29 14:16:39,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 111 remaining) [2024-01-29 14:16:39,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 111 remaining) [2024-01-29 14:16:39,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 111 remaining) [2024-01-29 14:16:39,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (97 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 111 remaining) [2024-01-29 14:16:39,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (90 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 111 remaining) [2024-01-29 14:16:39,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (82 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 111 remaining) [2024-01-29 14:16:39,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 111 remaining) [2024-01-29 14:16:39,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 111 remaining) [2024-01-29 14:16:39,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 111 remaining) [2024-01-29 14:16:39,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 111 remaining) [2024-01-29 14:16:39,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr35ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr36ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr37ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 111 remaining) [2024-01-29 14:16:39,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr38ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 111 remaining) [2024-01-29 14:16:39,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 111 remaining) [2024-01-29 14:16:39,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 111 remaining) [2024-01-29 14:16:39,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 111 remaining) [2024-01-29 14:16:39,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr35ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 111 remaining) [2024-01-29 14:16:39,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr36ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 111 remaining) [2024-01-29 14:16:39,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr37ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 111 remaining) [2024-01-29 14:16:39,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr38ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 111 remaining) [2024-01-29 14:16:39,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 14:16:39,868 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:16:39,874 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:16:39,875 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:16:39,915 INFO L503 ceAbstractionStarter]: Automizer considered 67 witness invariants [2024-01-29 14:16:39,915 INFO L504 ceAbstractionStarter]: WitnessConsidered=67 [2024-01-29 14:16:39,915 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:16:39 BasicIcfg [2024-01-29 14:16:39,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:16:39,916 INFO L158 Benchmark]: Toolchain (without parser) took 7261.04ms. Allocated memory was 148.9MB in the beginning and 826.3MB in the end (delta: 677.4MB). Free memory was 119.8MB in the beginning and 490.1MB in the end (delta: -370.3MB). Peak memory consumption was 307.7MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,916 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:16:39,916 INFO L158 Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 148.9MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:16:39,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.80ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 91.6MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.72ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 88.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,917 INFO L158 Benchmark]: Boogie Preprocessor took 54.53ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 86.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,917 INFO L158 Benchmark]: RCFGBuilder took 628.18ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 90.8MB in the end (delta: -4.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,917 INFO L158 Benchmark]: TraceAbstraction took 5992.18ms. Allocated memory was 148.9MB in the beginning and 826.3MB in the end (delta: 677.4MB). Free memory was 90.3MB in the beginning and 490.1MB in the end (delta: -399.7MB). Peak memory consumption was 278.7MB. Max. memory is 16.1GB. [2024-01-29 14:16:39,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.39ms. Allocated memory is still 148.9MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.80ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 91.6MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.72ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 88.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.53ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 86.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.18ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 90.8MB in the end (delta: -4.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5992.18ms. Allocated memory was 148.9MB in the beginning and 826.3MB in the end (delta: 677.4MB). Free memory was 90.3MB in the beginning and 490.1MB in the end (delta: -399.7MB). Peak memory consumption was 278.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 709]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L681] 0 int g1,g2; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L684] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L705] 0 pthread_t id; VAL [__global_lock={5:0}, g1=0, g2=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L706] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, g1=0, g2=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L706] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] [L706] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [__global_lock={5:0}, arg={0:0}, g1=0, g2=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] [L688] 1 g1++ VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L689] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L689] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L689] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[1]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L690] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[1]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[1]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=1, g2=0, mutex1={3:0}, mutex2={4:0}] [L691] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] [L691] 1 g1-- VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L692] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L692] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L692] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L693] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L693] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L694] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L695] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L695] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L696] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L696] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=0, mutex1={3:0}, mutex2={4:0}] [L696] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L696] 1 g2++ VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, mutex1={3:0}, mutex2={4:0}] [L697] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, mutex1={3:0}, mutex2={4:0}] [L697] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[1]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, mutex1={3:0}, mutex2={4:0}] [L697] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, mutex1={3:0}, mutex2={4:0}] [L708] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g1],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L709] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g2],IntegerLiteral[0]]]] VAL [__global_lock={5:0}, arg={0:0}, arg={0:0}, g1=0, g2=1, id={6:0}, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 706]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 311 locations, 111 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1175 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 896 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1381 IncrementalHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 131 mSDtfsCounter, 1381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=814occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:16:39,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE