./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_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_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:55:21,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:55:21,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:55:21,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:55:21,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:55:21,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:55:21,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:55:21,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:55:21,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:55:21,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:55:21,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:55:21,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:55:21,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:55:21,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:55:21,399 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:55:21,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:55:21,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:55:21,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:55:21,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:55:21,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:55:21,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:55:21,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:55:21,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:55:21,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:55:21,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:55:21,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:55:21,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:55:21,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:55:21,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:55:21,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:55:21,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:55:21,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:55:21,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:21,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:55:21,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:55:21,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:55:21,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:55:21,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:55:21,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:55:21,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:55:21,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:55:21,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:55:21,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:55:21,406 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:55:21,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:55:21,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:55:21,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:55:21,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:55:21,661 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:55:21,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-29 22:55:22,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:55:23,472 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:55:23,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-29 22:55:23,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81d24578c/b48272b6cfd24c36be3e045f632bdc6d/FLAG13f4bdd8c [2024-01-29 22:55:23,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81d24578c/b48272b6cfd24c36be3e045f632bdc6d [2024-01-29 22:55:23,498 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:55:23,502 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:55:23,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml [2024-01-29 22:55:23,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:55:23,625 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:55:23,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:23,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:55:23,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:55:23,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:23" (1/2) ... [2024-01-29 22:55:23,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5412ff13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:23, skipping insertion in model container [2024-01-29 22:55:23,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:23" (1/2) ... [2024-01-29 22:55:23,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c224c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:23, skipping insertion in model container [2024-01-29 22:55:23,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:23" (2/2) ... [2024-01-29 22:55:23,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5412ff13 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:23, skipping insertion in model container [2024-01-29 22:55:23,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:23" (2/2) ... [2024-01-29 22:55:23,634 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:55:23,710 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:55:23,711 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 22:55:23,711 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g == 42 [2024-01-29 22:55:23,711 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (g == 42) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,711 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] 0 <= g [2024-01-29 22:55:23,712 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (g != 0) [2024-01-29 22:55:23,712 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,712 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (r == 0) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (g % 27 == 15) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (g == 15 || g == 42) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (g <= 42) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (0 <= g) && (g <= 127) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] r == 0 [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (g == 15) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] g == 15 [2024-01-29 22:55:23,713 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (0 <= g) && (g <= 42) [2024-01-29 22:55:23,714 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] ((0 <= g) && (g <= 42)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,714 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] 0 <= g [2024-01-29 22:55:23,714 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] ((0 <= g) && (g <= 42)) && (g <= 127) [2024-01-29 22:55:23,714 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] ((0 <= g) && (g <= 42)) && (g % 27 == 15) [2024-01-29 22:55:23,714 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] ((0 <= g) && (g <= 42)) && (g == 15 || g == 42) [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] ((0 <= g) && (g <= 42)) && (g != 0) [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L695] g == 42 [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L695] (g == 42) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,715 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] 0 <= g [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] ((0 <= g) && (15 <= g)) && (g <= 42) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] ((0 <= g) && (15 <= g)) && (g == 15 || g == 42) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] ((0 <= g) && (15 <= g)) && (g <= 127) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] ((0 <= g) && (15 <= g)) && (g % 27 == 15) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] ((0 <= g) && (15 <= g)) && (g != 0) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] ((((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127)) && (g % 27 == 15) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (((((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127)) && (g % 27 == 15)) && (g == 15 || g == 42) [2024-01-29 22:55:23,716 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127) [2024-01-29 22:55:23,717 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] ((0 <= g) && (15 <= g)) && (g <= 42) [2024-01-29 22:55:23,717 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (((((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127)) && (g % 27 == 15)) && (g != 0) [2024-01-29 22:55:23,717 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,718 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] 0 <= g [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (((((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127)) && (g % 27 == 15)) && (r != 0) [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] ((0 <= g) && (15 <= g)) && (g <= 42) [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127) [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g != 0) [2024-01-29 22:55:23,719 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g == 15 || g == 42) [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] 0 <= g [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((0 <= g) && (15 <= g)) && (g <= 42)) && (r == 0) [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g % 27 == 15) [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] ((0 <= g) && (g <= 42)) && (g % 27 == 15) [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (0 <= g) && (g <= 42) [2024-01-29 22:55:23,720 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] 0 <= g [2024-01-29 22:55:23,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] ((0 <= g) && (g <= 42)) && (g <= 127) [2024-01-29 22:55:23,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (((0 <= g) && (g <= 42)) && (g % 27 == 15)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (((0 <= g) && (g <= 42)) && (g % 27 == 15)) && (g == 15 || g == 42) [2024-01-29 22:55:23,721 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (((0 <= g) && (g <= 42)) && (g % 27 == 15)) && (g != 0) [2024-01-29 22:55:23,722 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] g == 42 [2024-01-29 22:55:23,722 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (r != 0) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] 0 <= g [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (g % 27 == 15) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (g != 0) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (g <= 127) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (0 <= g) && (g <= 42) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] ((0 <= g) && (r != 0)) && (g == 15 || g == 42) [2024-01-29 22:55:23,723 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] ((0 <= g) && (15 <= g)) && (g % 27 == 15) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (((0 <= g) && (15 <= g)) && (g % 27 == 15)) && (g == 15 || g == 42) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (((0 <= g) && (15 <= g)) && (g % 27 == 15)) && (g != 0) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] ((0 <= g) && (15 <= g)) && (g <= 127) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] ((0 <= g) && (15 <= g)) && (g <= 42) [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] 0 <= g [2024-01-29 22:55:23,724 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (((0 <= g) && (15 <= g)) && (g % 27 == 15)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,725 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] ((0 <= g) && (15 <= g)) && (g <= 42) [2024-01-29 22:55:23,725 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g != 0) [2024-01-29 22:55:23,725 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,725 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g <= 127) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] 0 <= g [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g % 27 == 15) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((0 <= g) && (15 <= g)) && (g <= 42)) && (g == 15 || g == 42) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g != 0) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (15 <= g) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g == 15 || g == 42) [2024-01-29 22:55:23,726 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 127) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g != 0) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (0 <= g) && (g <= 42) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g % 27 == 15) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (0 <= g) && (g <= 127) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g == 15 || g == 42) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g == 15 || g == 42) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (0 <= g) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g % 27 == 15) [2024-01-29 22:55:23,727 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g <= 127) [2024-01-29 22:55:23,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g % 27 == 15) [2024-01-29 22:55:23,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 42) [2024-01-29 22:55:23,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g != 0) [2024-01-29 22:55:23,728 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (15 <= g) [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (0 <= g) && (15 <= g) [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (g <= 42) [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g != 0)) && (0 <= g) [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] g == 15 [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (g == 15) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,729 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] r != 0 [2024-01-29 22:55:23,730 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (g == 15) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,730 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] g == 15 [2024-01-29 22:55:23,730 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (g == 42) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:23,730 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 42 [2024-01-29 22:55:23,780 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:55:23,922 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_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2024-01-29 22:55:24,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:24,057 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:55:24,066 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_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2024-01-29 22:55:24,067 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:55:24,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:24,201 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:55:24,201 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24 WrapperNode [2024-01-29 22:55:24,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:24,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:24,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:55:24,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:55:24,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,263 INFO L138 Inliner]: procedures = 164, calls = 44, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-01-29 22:55:24,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:24,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:55:24,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:55:24,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:55:24,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,307 INFO L175 MemorySlicer]: Split 18 memory accesses to 5 slices as follows [2, 5, 5, 5, 1]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 0, 1]. [2024-01-29 22:55:24,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:55:24,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:55:24,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:55:24,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:55:24,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (1/1) ... [2024-01-29 22:55:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:24,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:55:24,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:55:24,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:55:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:55:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:55:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:55:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 22:55:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 22:55:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 22:55:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:55:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:55:24,436 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:55:24,570 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:55:24,572 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:55:24,905 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:55:24,905 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:55:25,011 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:55:25,012 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 22:55:25,012 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:25 BoogieIcfgContainer [2024-01-29 22:55:25,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:55:25,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:55:25,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:55:25,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:55:25,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:55:23" (1/4) ... [2024-01-29 22:55:25,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5c9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:55:25, skipping insertion in model container [2024-01-29 22:55:25,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:23" (2/4) ... [2024-01-29 22:55:25,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5c9f4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:55:25, skipping insertion in model container [2024-01-29 22:55:25,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:24" (3/4) ... [2024-01-29 22:55:25,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5c9f4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:55:25, skipping insertion in model container [2024-01-29 22:55:25,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:25" (4/4) ... [2024-01-29 22:55:25,029 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-01-29 22:55:25,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:55:25,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2024-01-29 22:55:25,042 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:55:25,127 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 22:55:25,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 214 transitions, 432 flow [2024-01-29 22:55:25,241 INFO L124 PetriNetUnfolderBase]: 2/213 cut-off events. [2024-01-29 22:55:25,242 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:25,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 213 events. 2/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 597 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2024-01-29 22:55:25,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 214 transitions, 432 flow [2024-01-29 22:55:25,257 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 213 transitions, 429 flow [2024-01-29 22:55:25,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:55:25,273 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;@6d218757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:55:25,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2024-01-29 22:55:25,275 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:55:25,276 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:55:25,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:25,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:25,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:55:25,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:25,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:25,281 INFO L85 PathProgramCache]: Analyzing trace with hash 17548, now seen corresponding path program 1 times [2024-01-29 22:55:25,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:25,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23566005] [2024-01-29 22:55:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:25,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:25,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23566005] [2024-01-29 22:55:25,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23566005] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:25,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:25,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:55:25,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043857305] [2024-01-29 22:55:25,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:25,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:25,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:25,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:25,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:25,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 214 [2024-01-29 22:55:25,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 213 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:25,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:25,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 214 [2024-01-29 22:55:25,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:26,160 INFO L124 PetriNetUnfolderBase]: 512/2572 cut-off events. [2024-01-29 22:55:26,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:26,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4118 conditions, 2572 events. 512/2572 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 23933 event pairs, 427 based on Foata normal form. 676/3138 useless extension candidates. Maximal degree in co-relation 4107. Up to 784 conditions per place. [2024-01-29 22:55:26,195 INFO L140 encePairwiseOnDemand]: 144/214 looper letters, 83 selfloop transitions, 3 changer transitions 0/197 dead transitions. [2024-01-29 22:55:26,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 197 transitions, 569 flow [2024-01-29 22:55:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-01-29 22:55:26,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7632398753894081 [2024-01-29 22:55:26,239 INFO L175 Difference]: Start difference. First operand has 215 places, 213 transitions, 429 flow. Second operand 3 states and 490 transitions. [2024-01-29 22:55:26,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 197 transitions, 569 flow [2024-01-29 22:55:26,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 197 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:55:26,246 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 467 flow [2024-01-29 22:55:26,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2024-01-29 22:55:26,250 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -23 predicate places. [2024-01-29 22:55:26,250 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 467 flow [2024-01-29 22:55:26,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:26,250 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:55:26,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:55:26,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:26,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:26,251 INFO L85 PathProgramCache]: Analyzing trace with hash 523487401, now seen corresponding path program 1 times [2024-01-29 22:55:26,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:26,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413212886] [2024-01-29 22:55:26,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:26,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:26,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:26,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413212886] [2024-01-29 22:55:26,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413212886] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:26,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:26,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:26,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379384596] [2024-01-29 22:55:26,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:26,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:26,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:26,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:26,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:26,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 214 [2024-01-29 22:55:26,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 467 flow. Second operand has 4 states, 4 states have (on average 187.25) internal successors, (749), 4 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:26,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 214 [2024-01-29 22:55:26,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:26,563 INFO L124 PetriNetUnfolderBase]: 121/1672 cut-off events. [2024-01-29 22:55:26,563 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2024-01-29 22:55:26,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2264 conditions, 1672 events. 121/1672 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 14177 event pairs, 0 based on Foata normal form. 11/1383 useless extension candidates. Maximal degree in co-relation 2251. Up to 457 conditions per place. [2024-01-29 22:55:26,568 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 33 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-01-29 22:55:26,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 195 transitions, 553 flow [2024-01-29 22:55:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 781 transitions. [2024-01-29 22:55:26,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9123831775700935 [2024-01-29 22:55:26,571 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 467 flow. Second operand 4 states and 781 transitions. [2024-01-29 22:55:26,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 195 transitions, 553 flow [2024-01-29 22:55:26,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 195 transitions, 547 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:26,575 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 461 flow [2024-01-29 22:55:26,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=461, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2024-01-29 22:55:26,575 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -24 predicate places. [2024-01-29 22:55:26,576 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 461 flow [2024-01-29 22:55:26,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 187.25) internal successors, (749), 4 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:26,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:55:26,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:55:26,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:26,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash -951898096, now seen corresponding path program 1 times [2024-01-29 22:55:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:26,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363720126] [2024-01-29 22:55:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:26,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:26,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:26,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363720126] [2024-01-29 22:55:26,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363720126] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:26,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474910356] [2024-01-29 22:55:26,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:26,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:26,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:26,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:26,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 214 [2024-01-29 22:55:26,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:26,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 214 [2024-01-29 22:55:26,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:26,891 INFO L124 PetriNetUnfolderBase]: 254/2710 cut-off events. [2024-01-29 22:55:26,891 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-01-29 22:55:26,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3713 conditions, 2710 events. 254/2710 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 24734 event pairs, 209 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 3700. Up to 420 conditions per place. [2024-01-29 22:55:26,900 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 45 selfloop transitions, 3 changer transitions 0/198 dead transitions. [2024-01-29 22:55:26,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 198 transitions, 585 flow [2024-01-29 22:55:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2024-01-29 22:55:26,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9080996884735203 [2024-01-29 22:55:26,902 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 461 flow. Second operand 3 states and 583 transitions. [2024-01-29 22:55:26,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 198 transitions, 585 flow [2024-01-29 22:55:26,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 198 transitions, 582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:26,907 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 469 flow [2024-01-29 22:55:26,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2024-01-29 22:55:26,908 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -24 predicate places. [2024-01-29 22:55:26,908 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 469 flow [2024-01-29 22:55:26,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:26,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:55:26,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:55:26,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:26,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:26,909 INFO L85 PathProgramCache]: Analyzing trace with hash -951898121, now seen corresponding path program 1 times [2024-01-29 22:55:26,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:26,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622975438] [2024-01-29 22:55:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:26,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:26,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622975438] [2024-01-29 22:55:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622975438] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484842922] [2024-01-29 22:55:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:26,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:26,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:26,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:26,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 214 [2024-01-29 22:55:26,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:26,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:26,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 214 [2024-01-29 22:55:26,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:27,170 INFO L124 PetriNetUnfolderBase]: 243/2589 cut-off events. [2024-01-29 22:55:27,170 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2024-01-29 22:55:27,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3616 conditions, 2589 events. 243/2589 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 23625 event pairs, 220 based on Foata normal form. 12/2333 useless extension candidates. Maximal degree in co-relation 3603. Up to 438 conditions per place. [2024-01-29 22:55:27,178 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 45 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2024-01-29 22:55:27,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 197 transitions, 586 flow [2024-01-29 22:55:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2024-01-29 22:55:27,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9065420560747663 [2024-01-29 22:55:27,181 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 469 flow. Second operand 3 states and 582 transitions. [2024-01-29 22:55:27,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 197 transitions, 586 flow [2024-01-29 22:55:27,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 197 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:55:27,185 INFO L231 Difference]: Finished difference. Result has 191 places, 184 transitions, 466 flow [2024-01-29 22:55:27,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=191, PETRI_TRANSITIONS=184} [2024-01-29 22:55:27,186 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -24 predicate places. [2024-01-29 22:55:27,186 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 184 transitions, 466 flow [2024-01-29 22:55:27,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:27,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:27,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:27,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:55:27,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:27,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:27,188 INFO L85 PathProgramCache]: Analyzing trace with hash 187539025, now seen corresponding path program 1 times [2024-01-29 22:55:27,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:27,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874754366] [2024-01-29 22:55:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:27,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:27,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874754366] [2024-01-29 22:55:27,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874754366] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:27,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:27,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:27,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146228411] [2024-01-29 22:55:27,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:27,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:27,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:27,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:27,635 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 214 [2024-01-29 22:55:27,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 184 transitions, 466 flow. Second operand has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:27,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:27,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 214 [2024-01-29 22:55:27,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:27,910 INFO L124 PetriNetUnfolderBase]: 737/2871 cut-off events. [2024-01-29 22:55:27,910 INFO L125 PetriNetUnfolderBase]: For 497/497 co-relation queries the response was YES. [2024-01-29 22:55:27,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5578 conditions, 2871 events. 737/2871 cut-off events. For 497/497 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 25487 event pairs, 397 based on Foata normal form. 0/2836 useless extension candidates. Maximal degree in co-relation 5565. Up to 1073 conditions per place. [2024-01-29 22:55:27,919 INFO L140 encePairwiseOnDemand]: 204/214 looper letters, 100 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2024-01-29 22:55:27,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 200 transitions, 718 flow [2024-01-29 22:55:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 503 transitions. [2024-01-29 22:55:27,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5876168224299065 [2024-01-29 22:55:27,921 INFO L175 Difference]: Start difference. First operand has 191 places, 184 transitions, 466 flow. Second operand 4 states and 503 transitions. [2024-01-29 22:55:27,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 200 transitions, 718 flow [2024-01-29 22:55:27,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 200 transitions, 704 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:27,925 INFO L231 Difference]: Finished difference. Result has 186 places, 178 transitions, 456 flow [2024-01-29 22:55:27,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=186, PETRI_TRANSITIONS=178} [2024-01-29 22:55:27,925 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -29 predicate places. [2024-01-29 22:55:27,926 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 178 transitions, 456 flow [2024-01-29 22:55:27,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:27,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:27,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:27,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:55:27,926 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:27,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1673349768, now seen corresponding path program 1 times [2024-01-29 22:55:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:27,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305396364] [2024-01-29 22:55:27,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:27,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:27,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:27,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305396364] [2024-01-29 22:55:27,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305396364] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:27,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:27,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:27,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895470002] [2024-01-29 22:55:27,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:27,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:27,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:27,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:27,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:28,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 214 [2024-01-29 22:55:28,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 178 transitions, 456 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:28,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:28,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 214 [2024-01-29 22:55:28,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:28,610 INFO L124 PetriNetUnfolderBase]: 1066/4326 cut-off events. [2024-01-29 22:55:28,610 INFO L125 PetriNetUnfolderBase]: For 550/550 co-relation queries the response was YES. [2024-01-29 22:55:28,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7805 conditions, 4326 events. 1066/4326 cut-off events. For 550/550 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 41464 event pairs, 573 based on Foata normal form. 0/4141 useless extension candidates. Maximal degree in co-relation 7792. Up to 1255 conditions per place. [2024-01-29 22:55:28,625 INFO L140 encePairwiseOnDemand]: 200/214 looper letters, 127 selfloop transitions, 12 changer transitions 1/227 dead transitions. [2024-01-29 22:55:28,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 227 transitions, 842 flow [2024-01-29 22:55:28,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 525 transitions. [2024-01-29 22:55:28,627 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6133177570093458 [2024-01-29 22:55:28,628 INFO L175 Difference]: Start difference. First operand has 186 places, 178 transitions, 456 flow. Second operand 4 states and 525 transitions. [2024-01-29 22:55:28,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 227 transitions, 842 flow [2024-01-29 22:55:28,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 227 transitions, 832 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:55:28,631 INFO L231 Difference]: Finished difference. Result has 188 places, 187 transitions, 535 flow [2024-01-29 22:55:28,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=535, PETRI_PLACES=188, PETRI_TRANSITIONS=187} [2024-01-29 22:55:28,632 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -27 predicate places. [2024-01-29 22:55:28,632 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 187 transitions, 535 flow [2024-01-29 22:55:28,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:28,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:28,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:28,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:55:28,633 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:28,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:28,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1700995539, now seen corresponding path program 1 times [2024-01-29 22:55:28,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:28,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998084046] [2024-01-29 22:55:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:28,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:28,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998084046] [2024-01-29 22:55:28,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998084046] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:28,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:28,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:28,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857364427] [2024-01-29 22:55:28,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:28,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:28,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:28,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:28,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:28,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 214 [2024-01-29 22:55:28,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 187 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:28,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:28,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 214 [2024-01-29 22:55:28,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:29,265 INFO L124 PetriNetUnfolderBase]: 850/3678 cut-off events. [2024-01-29 22:55:29,265 INFO L125 PetriNetUnfolderBase]: For 974/1291 co-relation queries the response was YES. [2024-01-29 22:55:29,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6840 conditions, 3678 events. 850/3678 cut-off events. For 974/1291 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 34607 event pairs, 377 based on Foata normal form. 16/3599 useless extension candidates. Maximal degree in co-relation 6825. Up to 1414 conditions per place. [2024-01-29 22:55:29,278 INFO L140 encePairwiseOnDemand]: 204/214 looper letters, 100 selfloop transitions, 12 changer transitions 2/231 dead transitions. [2024-01-29 22:55:29,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 231 transitions, 875 flow [2024-01-29 22:55:29,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 682 transitions. [2024-01-29 22:55:29,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7967289719626168 [2024-01-29 22:55:29,280 INFO L175 Difference]: Start difference. First operand has 188 places, 187 transitions, 535 flow. Second operand 4 states and 682 transitions. [2024-01-29 22:55:29,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 231 transitions, 875 flow [2024-01-29 22:55:29,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 231 transitions, 869 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:55:29,285 INFO L231 Difference]: Finished difference. Result has 192 places, 195 transitions, 613 flow [2024-01-29 22:55:29,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=613, PETRI_PLACES=192, PETRI_TRANSITIONS=195} [2024-01-29 22:55:29,286 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -23 predicate places. [2024-01-29 22:55:29,286 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 195 transitions, 613 flow [2024-01-29 22:55:29,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:29,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:29,287 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] [2024-01-29 22:55:29,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:55:29,287 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:29,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:29,288 INFO L85 PathProgramCache]: Analyzing trace with hash 963003855, now seen corresponding path program 1 times [2024-01-29 22:55:29,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:29,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530214057] [2024-01-29 22:55:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:29,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:29,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530214057] [2024-01-29 22:55:29,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530214057] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:29,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:29,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408433426] [2024-01-29 22:55:29,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:29,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:29,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:29,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:29,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:29,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 214 [2024-01-29 22:55:29,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 195 transitions, 613 flow. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:29,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:29,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 214 [2024-01-29 22:55:29,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:30,020 INFO L124 PetriNetUnfolderBase]: 1145/4519 cut-off events. [2024-01-29 22:55:30,020 INFO L125 PetriNetUnfolderBase]: For 1957/1963 co-relation queries the response was YES. [2024-01-29 22:55:30,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8974 conditions, 4519 events. 1145/4519 cut-off events. For 1957/1963 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 43876 event pairs, 663 based on Foata normal form. 15/4474 useless extension candidates. Maximal degree in co-relation 8956. Up to 1457 conditions per place. [2024-01-29 22:55:30,037 INFO L140 encePairwiseOnDemand]: 202/214 looper letters, 130 selfloop transitions, 13 changer transitions 2/232 dead transitions. [2024-01-29 22:55:30,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 232 transitions, 995 flow [2024-01-29 22:55:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 522 transitions. [2024-01-29 22:55:30,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6098130841121495 [2024-01-29 22:55:30,039 INFO L175 Difference]: Start difference. First operand has 192 places, 195 transitions, 613 flow. Second operand 4 states and 522 transitions. [2024-01-29 22:55:30,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 232 transitions, 995 flow [2024-01-29 22:55:30,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 232 transitions, 990 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:55:30,046 INFO L231 Difference]: Finished difference. Result has 196 places, 196 transitions, 661 flow [2024-01-29 22:55:30,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=661, PETRI_PLACES=196, PETRI_TRANSITIONS=196} [2024-01-29 22:55:30,047 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -19 predicate places. [2024-01-29 22:55:30,047 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 196 transitions, 661 flow [2024-01-29 22:55:30,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:30,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:30,048 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] [2024-01-29 22:55:30,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 22:55:30,048 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:30,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:30,048 INFO L85 PathProgramCache]: Analyzing trace with hash 512616875, now seen corresponding path program 1 times [2024-01-29 22:55:30,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:30,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344228084] [2024-01-29 22:55:30,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:30,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:30,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344228084] [2024-01-29 22:55:30,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344228084] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:30,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:30,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:55:30,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649357140] [2024-01-29 22:55:30,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:30,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:30,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:30,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:30,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:30,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 214 [2024-01-29 22:55:30,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 196 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:30,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:30,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 214 [2024-01-29 22:55:30,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:30,391 INFO L124 PetriNetUnfolderBase]: 418/1589 cut-off events. [2024-01-29 22:55:30,391 INFO L125 PetriNetUnfolderBase]: For 1221/1235 co-relation queries the response was YES. [2024-01-29 22:55:30,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3003 conditions, 1589 events. 418/1589 cut-off events. For 1221/1235 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 12048 event pairs, 268 based on Foata normal form. 440/1953 useless extension candidates. Maximal degree in co-relation 2982. Up to 767 conditions per place. [2024-01-29 22:55:30,397 INFO L140 encePairwiseOnDemand]: 168/214 looper letters, 45 selfloop transitions, 4 changer transitions 2/163 dead transitions. [2024-01-29 22:55:30,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 163 transitions, 621 flow [2024-01-29 22:55:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2024-01-29 22:55:30,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-01-29 22:55:30,399 INFO L175 Difference]: Start difference. First operand has 196 places, 196 transitions, 661 flow. Second operand 3 states and 428 transitions. [2024-01-29 22:55:30,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 163 transitions, 621 flow [2024-01-29 22:55:30,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 163 transitions, 592 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 22:55:30,402 INFO L231 Difference]: Finished difference. Result has 150 places, 152 transitions, 470 flow [2024-01-29 22:55:30,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=150, PETRI_TRANSITIONS=152} [2024-01-29 22:55:30,403 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -65 predicate places. [2024-01-29 22:55:30,403 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 152 transitions, 470 flow [2024-01-29 22:55:30,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:30,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:30,404 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] [2024-01-29 22:55:30,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 22:55:30,404 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:30,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:30,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1264281295, now seen corresponding path program 1 times [2024-01-29 22:55:30,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:30,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973200089] [2024-01-29 22:55:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:30,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:30,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973200089] [2024-01-29 22:55:30,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973200089] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:30,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:30,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:30,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838910939] [2024-01-29 22:55:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:30,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:30,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:30,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:30,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 214 [2024-01-29 22:55:30,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 152 transitions, 470 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:30,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:30,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 214 [2024-01-29 22:55:30,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:30,846 INFO L124 PetriNetUnfolderBase]: 554/1875 cut-off events. [2024-01-29 22:55:30,846 INFO L125 PetriNetUnfolderBase]: For 717/731 co-relation queries the response was YES. [2024-01-29 22:55:30,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3552 conditions, 1875 events. 554/1875 cut-off events. For 717/731 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 13736 event pairs, 244 based on Foata normal form. 0/1771 useless extension candidates. Maximal degree in co-relation 3533. Up to 732 conditions per place. [2024-01-29 22:55:30,852 INFO L140 encePairwiseOnDemand]: 207/214 looper letters, 55 selfloop transitions, 11 changer transitions 21/190 dead transitions. [2024-01-29 22:55:30,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 190 transitions, 733 flow [2024-01-29 22:55:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 22:55:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 22:55:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 625 transitions. [2024-01-29 22:55:30,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5841121495327103 [2024-01-29 22:55:30,854 INFO L175 Difference]: Start difference. First operand has 150 places, 152 transitions, 470 flow. Second operand 5 states and 625 transitions. [2024-01-29 22:55:30,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 190 transitions, 733 flow [2024-01-29 22:55:30,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 190 transitions, 719 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:30,858 INFO L231 Difference]: Finished difference. Result has 156 places, 150 transitions, 488 flow [2024-01-29 22:55:30,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=488, PETRI_PLACES=156, PETRI_TRANSITIONS=150} [2024-01-29 22:55:30,859 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -59 predicate places. [2024-01-29 22:55:30,859 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 150 transitions, 488 flow [2024-01-29 22:55:30,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:30,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:30,860 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] [2024-01-29 22:55:30,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 22:55:30,860 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:30,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:30,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1288745370, now seen corresponding path program 1 times [2024-01-29 22:55:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914138374] [2024-01-29 22:55:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:30,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914138374] [2024-01-29 22:55:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914138374] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:30,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:30,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905938543] [2024-01-29 22:55:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:30,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:31,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 214 [2024-01-29 22:55:31,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 150 transitions, 488 flow. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:31,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:31,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 214 [2024-01-29 22:55:31,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:31,392 INFO L124 PetriNetUnfolderBase]: 488/1814 cut-off events. [2024-01-29 22:55:31,392 INFO L125 PetriNetUnfolderBase]: For 1311/1389 co-relation queries the response was YES. [2024-01-29 22:55:31,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3794 conditions, 1814 events. 488/1814 cut-off events. For 1311/1389 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 14066 event pairs, 146 based on Foata normal form. 17/1747 useless extension candidates. Maximal degree in co-relation 3770. Up to 874 conditions per place. [2024-01-29 22:55:31,398 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 49 selfloop transitions, 5 changer transitions 22/167 dead transitions. [2024-01-29 22:55:31,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 167 transitions, 686 flow [2024-01-29 22:55:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 463 transitions. [2024-01-29 22:55:31,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5408878504672897 [2024-01-29 22:55:31,399 INFO L175 Difference]: Start difference. First operand has 156 places, 150 transitions, 488 flow. Second operand 4 states and 463 transitions. [2024-01-29 22:55:31,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 167 transitions, 686 flow [2024-01-29 22:55:31,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 167 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 22:55:31,403 INFO L231 Difference]: Finished difference. Result has 156 places, 131 transitions, 408 flow [2024-01-29 22:55:31,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=408, PETRI_PLACES=156, PETRI_TRANSITIONS=131} [2024-01-29 22:55:31,404 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -59 predicate places. [2024-01-29 22:55:31,404 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 131 transitions, 408 flow [2024-01-29 22:55:31,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:31,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:31,405 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 22:55:31,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-29 22:55:31,405 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:31,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1116020629, now seen corresponding path program 1 times [2024-01-29 22:55:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095460024] [2024-01-29 22:55:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:31,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:31,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095460024] [2024-01-29 22:55:31,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095460024] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:31,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:31,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:31,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336944460] [2024-01-29 22:55:31,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:31,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:31,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:31,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:31,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:31,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 214 [2024-01-29 22:55:31,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 131 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:31,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:31,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 214 [2024-01-29 22:55:31,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:31,578 INFO L124 PetriNetUnfolderBase]: 103/1201 cut-off events. [2024-01-29 22:55:31,579 INFO L125 PetriNetUnfolderBase]: For 679/682 co-relation queries the response was YES. [2024-01-29 22:55:31,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1887 conditions, 1201 events. 103/1201 cut-off events. For 679/682 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8865 event pairs, 43 based on Foata normal form. 6/1189 useless extension candidates. Maximal degree in co-relation 1862. Up to 252 conditions per place. [2024-01-29 22:55:31,582 INFO L140 encePairwiseOnDemand]: 206/214 looper letters, 32 selfloop transitions, 8 changer transitions 1/148 dead transitions. [2024-01-29 22:55:31,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 148 transitions, 548 flow [2024-01-29 22:55:31,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2024-01-29 22:55:31,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9470404984423676 [2024-01-29 22:55:31,584 INFO L175 Difference]: Start difference. First operand has 156 places, 131 transitions, 408 flow. Second operand 3 states and 608 transitions. [2024-01-29 22:55:31,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 148 transitions, 548 flow [2024-01-29 22:55:31,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 148 transitions, 514 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-01-29 22:55:31,587 INFO L231 Difference]: Finished difference. Result has 143 places, 136 transitions, 426 flow [2024-01-29 22:55:31,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=143, PETRI_TRANSITIONS=136} [2024-01-29 22:55:31,588 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -72 predicate places. [2024-01-29 22:55:31,588 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 136 transitions, 426 flow [2024-01-29 22:55:31,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:31,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:31,589 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] [2024-01-29 22:55:31,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-29 22:55:31,589 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:31,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:31,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1710981099, now seen corresponding path program 1 times [2024-01-29 22:55:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:31,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314404043] [2024-01-29 22:55:31,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:31,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:31,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:31,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314404043] [2024-01-29 22:55:31,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314404043] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:31,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:31,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:31,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647945945] [2024-01-29 22:55:31,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:31,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:31,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:31,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:31,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:31,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 214 [2024-01-29 22:55:31,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 136 transitions, 426 flow. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:31,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:31,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 214 [2024-01-29 22:55:31,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:32,011 INFO L124 PetriNetUnfolderBase]: 489/2204 cut-off events. [2024-01-29 22:55:32,012 INFO L125 PetriNetUnfolderBase]: For 1277/1308 co-relation queries the response was YES. [2024-01-29 22:55:32,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4494 conditions, 2204 events. 489/2204 cut-off events. For 1277/1308 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 17733 event pairs, 316 based on Foata normal form. 15/2163 useless extension candidates. Maximal degree in co-relation 4472. Up to 592 conditions per place. [2024-01-29 22:55:32,019 INFO L140 encePairwiseOnDemand]: 203/214 looper letters, 86 selfloop transitions, 9 changer transitions 0/174 dead transitions. [2024-01-29 22:55:32,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 174 transitions, 739 flow [2024-01-29 22:55:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 483 transitions. [2024-01-29 22:55:32,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5642523364485982 [2024-01-29 22:55:32,020 INFO L175 Difference]: Start difference. First operand has 143 places, 136 transitions, 426 flow. Second operand 4 states and 483 transitions. [2024-01-29 22:55:32,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 174 transitions, 739 flow [2024-01-29 22:55:32,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 174 transitions, 726 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:55:32,025 INFO L231 Difference]: Finished difference. Result has 147 places, 142 transitions, 489 flow [2024-01-29 22:55:32,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=489, PETRI_PLACES=147, PETRI_TRANSITIONS=142} [2024-01-29 22:55:32,026 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -68 predicate places. [2024-01-29 22:55:32,026 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 142 transitions, 489 flow [2024-01-29 22:55:32,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:32,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:32,027 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] [2024-01-29 22:55:32,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-29 22:55:32,027 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:32,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -421820957, now seen corresponding path program 2 times [2024-01-29 22:55:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:32,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987149214] [2024-01-29 22:55:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:32,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:32,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987149214] [2024-01-29 22:55:32,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987149214] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:32,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:32,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:32,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458042229] [2024-01-29 22:55:32,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:32,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:32,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:32,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 214 [2024-01-29 22:55:32,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 142 transitions, 489 flow. Second operand has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:32,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:32,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 214 [2024-01-29 22:55:32,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:32,507 INFO L124 PetriNetUnfolderBase]: 533/2138 cut-off events. [2024-01-29 22:55:32,507 INFO L125 PetriNetUnfolderBase]: For 1921/1964 co-relation queries the response was YES. [2024-01-29 22:55:32,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4736 conditions, 2138 events. 533/2138 cut-off events. For 1921/1964 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17147 event pairs, 332 based on Foata normal form. 23/2103 useless extension candidates. Maximal degree in co-relation 4712. Up to 911 conditions per place. [2024-01-29 22:55:32,515 INFO L140 encePairwiseOnDemand]: 204/214 looper letters, 80 selfloop transitions, 12 changer transitions 0/167 dead transitions. [2024-01-29 22:55:32,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 167 transitions, 767 flow [2024-01-29 22:55:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 468 transitions. [2024-01-29 22:55:32,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5467289719626168 [2024-01-29 22:55:32,517 INFO L175 Difference]: Start difference. First operand has 147 places, 142 transitions, 489 flow. Second operand 4 states and 468 transitions. [2024-01-29 22:55:32,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 167 transitions, 767 flow [2024-01-29 22:55:32,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 167 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:32,522 INFO L231 Difference]: Finished difference. Result has 149 places, 143 transitions, 522 flow [2024-01-29 22:55:32,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=522, PETRI_PLACES=149, PETRI_TRANSITIONS=143} [2024-01-29 22:55:32,522 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -66 predicate places. [2024-01-29 22:55:32,523 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 143 transitions, 522 flow [2024-01-29 22:55:32,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:32,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:32,523 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] [2024-01-29 22:55:32,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-01-29 22:55:32,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:32,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1839029918, now seen corresponding path program 1 times [2024-01-29 22:55:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:32,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870146337] [2024-01-29 22:55:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:32,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:32,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870146337] [2024-01-29 22:55:32,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870146337] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:32,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:32,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 22:55:32,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703506427] [2024-01-29 22:55:32,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:32,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:55:32,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:32,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:55:32,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:55:32,743 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 214 [2024-01-29 22:55:32,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 143 transitions, 522 flow. Second operand has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:32,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:32,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 214 [2024-01-29 22:55:32,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:32,887 INFO L124 PetriNetUnfolderBase]: 96/1194 cut-off events. [2024-01-29 22:55:32,887 INFO L125 PetriNetUnfolderBase]: For 1248/1282 co-relation queries the response was YES. [2024-01-29 22:55:32,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2150 conditions, 1194 events. 96/1194 cut-off events. For 1248/1282 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8406 event pairs, 28 based on Foata normal form. 14/1181 useless extension candidates. Maximal degree in co-relation 2126. Up to 154 conditions per place. [2024-01-29 22:55:32,891 INFO L140 encePairwiseOnDemand]: 207/214 looper letters, 36 selfloop transitions, 9 changer transitions 2/155 dead transitions. [2024-01-29 22:55:32,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 155 transitions, 662 flow [2024-01-29 22:55:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 794 transitions. [2024-01-29 22:55:32,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.927570093457944 [2024-01-29 22:55:32,893 INFO L175 Difference]: Start difference. First operand has 149 places, 143 transitions, 522 flow. Second operand 4 states and 794 transitions. [2024-01-29 22:55:32,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 155 transitions, 662 flow [2024-01-29 22:55:32,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 155 transitions, 640 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:32,897 INFO L231 Difference]: Finished difference. Result has 150 places, 143 transitions, 524 flow [2024-01-29 22:55:32,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=524, PETRI_PLACES=150, PETRI_TRANSITIONS=143} [2024-01-29 22:55:32,898 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -65 predicate places. [2024-01-29 22:55:32,898 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 143 transitions, 524 flow [2024-01-29 22:55:32,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:32,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:32,899 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] [2024-01-29 22:55:32,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-01-29 22:55:32,899 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:32,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:32,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1694124111, now seen corresponding path program 1 times [2024-01-29 22:55:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:32,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903382520] [2024-01-29 22:55:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:32,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903382520] [2024-01-29 22:55:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903382520] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:32,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:32,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:32,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742299032] [2024-01-29 22:55:32,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:32,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:32,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:32,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:32,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:33,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 214 [2024-01-29 22:55:33,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 143 transitions, 524 flow. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:33,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:33,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 214 [2024-01-29 22:55:33,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:33,353 INFO L124 PetriNetUnfolderBase]: 427/2131 cut-off events. [2024-01-29 22:55:33,353 INFO L125 PetriNetUnfolderBase]: For 1646/1685 co-relation queries the response was YES. [2024-01-29 22:55:33,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4591 conditions, 2131 events. 427/2131 cut-off events. For 1646/1685 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 16345 event pairs, 169 based on Foata normal form. 54/2136 useless extension candidates. Maximal degree in co-relation 4566. Up to 424 conditions per place. [2024-01-29 22:55:33,359 INFO L140 encePairwiseOnDemand]: 203/214 looper letters, 77 selfloop transitions, 5 changer transitions 25/183 dead transitions. [2024-01-29 22:55:33,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 183 transitions, 883 flow [2024-01-29 22:55:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 477 transitions. [2024-01-29 22:55:33,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5572429906542056 [2024-01-29 22:55:33,361 INFO L175 Difference]: Start difference. First operand has 150 places, 143 transitions, 524 flow. Second operand 4 states and 477 transitions. [2024-01-29 22:55:33,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 183 transitions, 883 flow [2024-01-29 22:55:33,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 183 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:55:33,365 INFO L231 Difference]: Finished difference. Result has 149 places, 137 transitions, 514 flow [2024-01-29 22:55:33,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=514, PETRI_PLACES=149, PETRI_TRANSITIONS=137} [2024-01-29 22:55:33,366 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -66 predicate places. [2024-01-29 22:55:33,366 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 137 transitions, 514 flow [2024-01-29 22:55:33,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:33,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:33,366 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, 1, 1, 1, 1, 1] [2024-01-29 22:55:33,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-01-29 22:55:33,367 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:33,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash -205792019, now seen corresponding path program 1 times [2024-01-29 22:55:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:33,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285707373] [2024-01-29 22:55:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:33,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:33,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285707373] [2024-01-29 22:55:33,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285707373] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:33,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:33,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:55:33,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466455845] [2024-01-29 22:55:33,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:33,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:55:33,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:33,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:55:33,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:55:33,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 214 [2024-01-29 22:55:33,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 137 transitions, 514 flow. Second operand has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:33,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:33,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 214 [2024-01-29 22:55:33,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:33,763 INFO L124 PetriNetUnfolderBase]: 284/1812 cut-off events. [2024-01-29 22:55:33,764 INFO L125 PetriNetUnfolderBase]: For 1600/1620 co-relation queries the response was YES. [2024-01-29 22:55:33,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3975 conditions, 1812 events. 284/1812 cut-off events. For 1600/1620 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 13662 event pairs, 152 based on Foata normal form. 4/1776 useless extension candidates. Maximal degree in co-relation 3950. Up to 543 conditions per place. [2024-01-29 22:55:33,768 INFO L140 encePairwiseOnDemand]: 205/214 looper letters, 78 selfloop transitions, 2 changer transitions 20/175 dead transitions. [2024-01-29 22:55:33,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 175 transitions, 877 flow [2024-01-29 22:55:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 662 transitions. [2024-01-29 22:55:33,770 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7733644859813084 [2024-01-29 22:55:33,770 INFO L175 Difference]: Start difference. First operand has 149 places, 137 transitions, 514 flow. Second operand 4 states and 662 transitions. [2024-01-29 22:55:33,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 175 transitions, 877 flow [2024-01-29 22:55:33,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 175 transitions, 868 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:55:33,774 INFO L231 Difference]: Finished difference. Result has 149 places, 134 transitions, 504 flow [2024-01-29 22:55:33,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=504, PETRI_PLACES=149, PETRI_TRANSITIONS=134} [2024-01-29 22:55:33,775 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -66 predicate places. [2024-01-29 22:55:33,775 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 134 transitions, 504 flow [2024-01-29 22:55:33,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:33,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:33,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:33,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-01-29 22:55:33,776 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:33,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:33,776 INFO L85 PathProgramCache]: Analyzing trace with hash 652849138, now seen corresponding path program 1 times [2024-01-29 22:55:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253318976] [2024-01-29 22:55:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:33,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:33,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253318976] [2024-01-29 22:55:33,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253318976] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:33,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:33,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-29 22:55:33,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470018210] [2024-01-29 22:55:33,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:33,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-29 22:55:33,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-29 22:55:33,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-01-29 22:55:33,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 214 [2024-01-29 22:55:33,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 134 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:33,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:33,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 214 [2024-01-29 22:55:33,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:34,057 INFO L124 PetriNetUnfolderBase]: 32/534 cut-off events. [2024-01-29 22:55:34,057 INFO L125 PetriNetUnfolderBase]: For 585/598 co-relation queries the response was YES. [2024-01-29 22:55:34,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 534 events. 32/534 cut-off events. For 585/598 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2664 event pairs, 6 based on Foata normal form. 17/540 useless extension candidates. Maximal degree in co-relation 1063. Up to 66 conditions per place. [2024-01-29 22:55:34,059 INFO L140 encePairwiseOnDemand]: 207/214 looper letters, 12 selfloop transitions, 5 changer transitions 44/136 dead transitions. [2024-01-29 22:55:34,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 136 transitions, 575 flow [2024-01-29 22:55:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 785 transitions. [2024-01-29 22:55:34,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9170560747663551 [2024-01-29 22:55:34,061 INFO L175 Difference]: Start difference. First operand has 149 places, 134 transitions, 504 flow. Second operand 4 states and 785 transitions. [2024-01-29 22:55:34,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 136 transitions, 575 flow [2024-01-29 22:55:34,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 136 transitions, 530 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-01-29 22:55:34,064 INFO L231 Difference]: Finished difference. Result has 148 places, 90 transitions, 298 flow [2024-01-29 22:55:34,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=298, PETRI_PLACES=148, PETRI_TRANSITIONS=90} [2024-01-29 22:55:34,064 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -67 predicate places. [2024-01-29 22:55:34,064 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 90 transitions, 298 flow [2024-01-29 22:55:34,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:34,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:34,065 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:34,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-01-29 22:55:34,065 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-01-29 22:55:34,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1349304191, now seen corresponding path program 1 times [2024-01-29 22:55:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:34,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433450862] [2024-01-29 22:55:34,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:34,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:55:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:34,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433450862] [2024-01-29 22:55:34,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433450862] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:34,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:34,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-29 22:55:34,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627030413] [2024-01-29 22:55:34,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:34,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-29 22:55:34,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:34,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-29 22:55:34,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-01-29 22:55:34,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 214 [2024-01-29 22:55:34,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 90 transitions, 298 flow. Second operand has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:34,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:34,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 214 [2024-01-29 22:55:34,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:34,309 INFO L124 PetriNetUnfolderBase]: 10/160 cut-off events. [2024-01-29 22:55:34,309 INFO L125 PetriNetUnfolderBase]: For 91/93 co-relation queries the response was YES. [2024-01-29 22:55:34,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 160 events. 10/160 cut-off events. For 91/93 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 417 event pairs, 0 based on Foata normal form. 10/168 useless extension candidates. Maximal degree in co-relation 314. Up to 32 conditions per place. [2024-01-29 22:55:34,310 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-01-29 22:55:34,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 78 transitions, 291 flow [2024-01-29 22:55:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:55:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:55:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 770 transitions. [2024-01-29 22:55:34,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8995327102803738 [2024-01-29 22:55:34,312 INFO L175 Difference]: Start difference. First operand has 148 places, 90 transitions, 298 flow. Second operand 4 states and 770 transitions. [2024-01-29 22:55:34,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 78 transitions, 291 flow [2024-01-29 22:55:34,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 78 transitions, 249 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-01-29 22:55:34,313 INFO L231 Difference]: Finished difference. Result has 91 places, 0 transitions, 0 flow [2024-01-29 22:55:34,313 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=91, PETRI_TRANSITIONS=0} [2024-01-29 22:55:34,313 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -124 predicate places. [2024-01-29 22:55:34,313 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 0 transitions, 0 flow [2024-01-29 22:55:34,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:55:34,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 127 remaining) [2024-01-29 22:55:34,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 127 remaining) [2024-01-29 22:55:34,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 127 remaining) [2024-01-29 22:55:34,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 127 remaining) [2024-01-29 22:55:34,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 127 remaining) [2024-01-29 22:55:34,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 127 remaining) [2024-01-29 22:55:34,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (84 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 127 remaining) [2024-01-29 22:55:34,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 127 remaining) [2024-01-29 22:55:34,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 127 remaining) [2024-01-29 22:55:34,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 127 remaining) [2024-01-29 22:55:34,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 127 remaining) [2024-01-29 22:55:34,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 127 remaining) [2024-01-29 22:55:34,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr35ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr36ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr37ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 127 remaining) [2024-01-29 22:55:34,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 127 remaining) [2024-01-29 22:55:34,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 127 remaining) [2024-01-29 22:55:34,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 127 remaining) [2024-01-29 22:55:34,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr31ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr32ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 127 remaining) [2024-01-29 22:55:34,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr33ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 127 remaining) [2024-01-29 22:55:34,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr34ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 127 remaining) [2024-01-29 22:55:34,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr35ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 127 remaining) [2024-01-29 22:55:34,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr36ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 127 remaining) [2024-01-29 22:55:34,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr37ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 127 remaining) [2024-01-29 22:55:34,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-01-29 22:55:34,333 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:55:34,338 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:55:34,338 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:55:34,342 INFO L503 ceAbstractionStarter]: Automizer considered 87 witness invariants [2024-01-29 22:55:34,342 INFO L504 ceAbstractionStarter]: WitnessConsidered=87 [2024-01-29 22:55:34,342 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:55:34 BasicIcfg [2024-01-29 22:55:34,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:55:34,343 INFO L158 Benchmark]: Toolchain (without parser) took 10717.90ms. Allocated memory was 157.3MB in the beginning and 453.0MB in the end (delta: 295.7MB). Free memory was 116.7MB in the beginning and 183.7MB in the end (delta: -67.0MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,343 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:55:34,343 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:55:34,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.96ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 85.8MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.04ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 83.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,344 INFO L158 Benchmark]: Boogie Preprocessor took 71.86ms. Allocated memory is still 157.3MB. Free memory was 83.1MB in the beginning and 80.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,344 INFO L158 Benchmark]: RCFGBuilder took 673.90ms. Allocated memory is still 157.3MB. Free memory was 80.5MB in the beginning and 107.1MB in the end (delta: -26.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,344 INFO L158 Benchmark]: TraceAbstraction took 9328.21ms. Allocated memory was 157.3MB in the beginning and 453.0MB in the end (delta: 295.7MB). Free memory was 106.3MB in the beginning and 183.7MB in the end (delta: -77.5MB). Peak memory consumption was 218.0MB. Max. memory is 16.1GB. [2024-01-29 22:55:34,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.96ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 85.8MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.04ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 83.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.86ms. Allocated memory is still 157.3MB. Free memory was 83.1MB in the beginning and 80.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.90ms. Allocated memory is still 157.3MB. Free memory was 80.5MB in the beginning and 107.1MB in the end (delta: -26.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9328.21ms. Allocated memory was 157.3MB in the beginning and 453.0MB in the end (delta: 295.7MB). Free memory was 106.3MB in the beginning and 183.7MB in the end (delta: -77.5MB). Peak memory consumption was 218.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 704]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 709]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 694]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 694]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 308 locations, 127 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: 9.2s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6322 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3432 mSDsluCounter, 1264 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 1018 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5195 IncrementalHoareTripleChecker+Invalid, 6213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1018 mSolverCounterUnsat, 769 mSDtfsCounter, 5195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=661occurred in iteration=8, InterpolantAutomatonStates: 72, 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, 1.3s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 2968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 - AllSpecificationsHoldResult: All specifications hold 88 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-29 22:55:34,391 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 Result: TRUE