./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.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/arithmetic_prog_ok.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/arithmetic_prog_ok.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-a340643-m [2024-01-27 14:53:13,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:53:13,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:53:13,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:53:13,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:53:13,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:53:13,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:53:13,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:53:13,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:53:13,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:53:13,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:53:13,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:53:13,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:53:13,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:53:13,760 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:53:13,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:53:13,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:53:13,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:53:13,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:53:13,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:53:13,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:53:13,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:53:13,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:53:13,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:53:13,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:53:13,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:53:13,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:53:13,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:53:13,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:53:13,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:53:13,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:53:13,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:53:13,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:53:13,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:53:13,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:53:13,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:53:13,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:53:13,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:53:13,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:53:13,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:53:13,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:53:13,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:53:13,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:53:13,768 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:53:14,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:53:14,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:53:14,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:53:14,084 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:53:14,084 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:53:14,085 INFO L431 ainManager$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/arithmetic_prog_ok.yml/witness.yml [2024-01-27 14:53:14,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:53:14,203 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:53:14,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-01-27 14:53:15,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:53:15,538 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:53:15,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-01-27 14:53:15,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fcb7b30a/53c49a9c494247c8aafd568cab97b683/FLAG14fdc7c1a [2024-01-27 14:53:15,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fcb7b30a/53c49a9c494247c8aafd568cab97b683 [2024-01-27 14:53:15,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:53:15,584 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:53:15,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:53:15,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:53:15,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:53:15,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:53:14" (1/2) ... [2024-01-27 14:53:15,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fbe4c4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:53:15, skipping insertion in model container [2024-01-27 14:53:15,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:53:14" (1/2) ... [2024-01-27 14:53:15,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d15e9ad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:53:15, skipping insertion in model container [2024-01-27 14:53:15,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:53:15" (2/2) ... [2024-01-27 14:53:15,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fbe4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:15, skipping insertion in model container [2024-01-27 14:53:15,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:53:15" (2/2) ... [2024-01-27 14:53:15,599 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:53:15,687 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:53:15,689 INFO L98 nessWitnessExtractor]: Location invariant before [L885-L885] (0 == i && i == 0) || (1 <= i && i <= 3) [2024-01-27 14:53:15,689 INFO L98 nessWitnessExtractor]: Location invariant before [L885-L885] (unsigned long )arg == 0UL [2024-01-27 14:53:15,689 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] num <= 1 [2024-01-27 14:53:15,689 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] 0 <= num [2024-01-27 14:53:15,690 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] num == 1 [2024-01-27 14:53:15,691 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] (unsigned long )arg == 0UL [2024-01-27 14:53:15,691 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] ((((((((((((((((((((((((((((((((((((((((((((((1 <= i && i <= 3) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3) [2024-01-27 14:53:15,691 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] (unsigned long )arg == 0UL [2024-01-27 14:53:15,691 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] ((((((((((((((((((((((((((((((((((((((((((((((1 <= i && i <= 3) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3) [2024-01-27 14:53:15,691 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] num == 1 [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] (unsigned long )arg == 0UL [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] (0 == i && i == 0) || (1 <= i && i <= 3) [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] total == 0UL [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] num == 0 [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] flag == 0 [2024-01-27 14:53:15,692 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] total == 0UL [2024-01-27 14:53:15,693 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] num == 0 [2024-01-27 14:53:15,693 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] flag == 0 [2024-01-27 14:53:15,693 INFO L98 nessWitnessExtractor]: Location invariant before [L877-L877] (unsigned long )arg == 0UL [2024-01-27 14:53:15,693 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] total == 0UL [2024-01-27 14:53:15,693 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] flag == 0 [2024-01-27 14:53:15,694 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] num == 0 [2024-01-27 14:53:15,694 INFO L98 nessWitnessExtractor]: Location invariant before [L893-L893] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,694 INFO L98 nessWitnessExtractor]: Location invariant before [L893-L893] (unsigned long )arg == 0UL [2024-01-27 14:53:15,694 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] (unsigned long )arg == 0UL [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] num == 0 [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] (0 == i && i == 0) || (1 <= i && i <= 3) [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L904-L904] j == 4 [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L904-L904] (unsigned long )arg == 0UL [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L891-L891] (unsigned long )arg == 0UL [2024-01-27 14:53:15,695 INFO L98 nessWitnessExtractor]: Location invariant before [L902-L902] (unsigned long )arg == 0UL [2024-01-27 14:53:15,696 INFO L98 nessWitnessExtractor]: Location invariant before [L902-L902] j == 4 [2024-01-27 14:53:15,696 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] (((((((((((((((((((((((((((((((((((((((((((((((((((0 == j && j == 0) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3) [2024-01-27 14:53:15,696 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] num == 0 [2024-01-27 14:53:15,696 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] 0 <= num [2024-01-27 14:53:15,696 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] (((((((((((((((((((((((((((((((((((((((((((((((((((0 == j && j == 0) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3) [2024-01-27 14:53:15,697 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] num <= 1 [2024-01-27 14:53:15,697 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] (unsigned long )arg == 0UL [2024-01-27 14:53:15,698 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] (unsigned long )arg == 0UL [2024-01-27 14:53:15,698 INFO L98 nessWitnessExtractor]: Location invariant before [L884-L884] (unsigned long )arg == 0UL [2024-01-27 14:53:15,698 INFO L98 nessWitnessExtractor]: Location invariant before [L884-L884] (0 == i && i == 0) || (1 <= i && i <= 3) [2024-01-27 14:53:15,699 INFO L98 nessWitnessExtractor]: Location invariant before [L903-L903] j == 4 [2024-01-27 14:53:15,699 INFO L98 nessWitnessExtractor]: Location invariant before [L903-L903] (unsigned long )arg == 0UL [2024-01-27 14:53:15,699 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] num == 0 [2024-01-27 14:53:15,699 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] total == 0UL [2024-01-27 14:53:15,699 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] flag == 0 [2024-01-27 14:53:15,700 INFO L98 nessWitnessExtractor]: Location invariant before [L899-L899] (unsigned long )arg == 0UL [2024-01-27 14:53:15,700 INFO L98 nessWitnessExtractor]: Location invariant before [L899-L899] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,700 INFO L98 nessWitnessExtractor]: Loop invariant at [L878-L886] (1 <= i && i <= 4) || (0 == i && i == 0) [2024-01-27 14:53:15,700 INFO L98 nessWitnessExtractor]: Loop invariant at [L878-L886] (unsigned long )arg == 0UL [2024-01-27 14:53:15,700 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] (unsigned long )arg == 0UL [2024-01-27 14:53:15,701 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] num == 0 [2024-01-27 14:53:15,701 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,701 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,701 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] num == 1 [2024-01-27 14:53:15,702 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] (unsigned long )arg == 0UL [2024-01-27 14:53:15,702 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] total == 0UL [2024-01-27 14:53:15,703 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] num == 0 [2024-01-27 14:53:15,703 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] flag == 0 [2024-01-27 14:53:15,703 INFO L98 nessWitnessExtractor]: Location invariant before [L879-L879] (unsigned long )arg == 0UL [2024-01-27 14:53:15,703 INFO L98 nessWitnessExtractor]: Location invariant before [L879-L879] (1 <= i && i <= 3) || (0 == i && i == 0) [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Loop invariant at [L892-L901] (unsigned long )arg == 0UL [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Loop invariant at [L892-L901] (0 == j && j == 0) || (1 <= j && j <= 4) [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Location invariant before [L900-L900] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Location invariant before [L900-L900] (unsigned long )arg == 0UL [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] (unsigned long )arg == 0UL [2024-01-27 14:53:15,704 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] (0 == j && j == 0) || (1 <= j && j <= 3) [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] num == 1 [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L887-L887] i == 4 [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L887-L887] (unsigned long )arg == 0UL [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] flag == 0 [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] total == 0UL [2024-01-27 14:53:15,705 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] num == 0 [2024-01-27 14:53:15,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:53:16,191 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-01-27 14:53:16,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:53:16,215 INFO L202 MainTranslator]: Completed pre-run 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 [2024-01-27 14:53:16,389 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-01-27 14:53:16,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:53:16,452 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:53:16,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16 WrapperNode [2024-01-27 14:53:16,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:53:16,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:53:16,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:53:16,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:53:16,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,529 INFO L138 Inliner]: procedures = 244, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2024-01-27 14:53:16,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:53:16,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:53:16,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:53:16,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:53:16,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,573 INFO L175 MemorySlicer]: Split 31 memory accesses to 7 slices as follows [2, 1, 8, 8, 8, 2, 2]. 26 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 1, 8, 8, 8, 0, 0]. The 2 writes are split as follows [0, 0, 0, 0, 0, 1, 1]. [2024-01-27 14:53:16,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:53:16,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:53:16,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:53:16,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:53:16,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (1/1) ... [2024-01-27 14:53:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:53:16,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:53:16,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:53:16,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:53:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:53:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:53:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-01-27 14:53:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-01-27 14:53:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 14:53:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:53:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:53:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 14:53:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-01-27 14:53:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:53:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:53:16,740 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:53:16,883 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:53:16,885 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:53:17,326 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:53:17,327 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:53:17,488 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:53:17,488 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-27 14:53:17,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:53:17 BoogieIcfgContainer [2024-01-27 14:53:17,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:53:17,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:53:17,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:53:17,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:53:17,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:53:14" (1/4) ... [2024-01-27 14:53:17,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66499d33 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:53:17, skipping insertion in model container [2024-01-27 14:53:17,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:53:15" (2/4) ... [2024-01-27 14:53:17,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66499d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:53:17, skipping insertion in model container [2024-01-27 14:53:17,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:53:16" (3/4) ... [2024-01-27 14:53:17,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66499d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:53:17, skipping insertion in model container [2024-01-27 14:53:17,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:53:17" (4/4) ... [2024-01-27 14:53:17,501 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-01-27 14:53:17,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:53:17,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-01-27 14:53:17,518 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:53:17,642 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 14:53:17,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 210 transitions, 434 flow [2024-01-27 14:53:17,789 INFO L124 PetriNetUnfolderBase]: 6/208 cut-off events. [2024-01-27 14:53:17,790 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 14:53:17,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 208 events. 6/208 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 622 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 161. Up to 3 conditions per place. [2024-01-27 14:53:17,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 210 transitions, 434 flow [2024-01-27 14:53:17,809 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 204 transitions, 420 flow [2024-01-27 14:53:17,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:53:17,834 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;@470c7285, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:53:17,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 155 error locations. [2024-01-27 14:53:17,838 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:53:17,838 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:53:17,843 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:53:17,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:17,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:53:17,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:17,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:17,851 INFO L85 PathProgramCache]: Analyzing trace with hash 20393, now seen corresponding path program 1 times [2024-01-27 14:53:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:17,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798276212] [2024-01-27 14:53:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:17,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:18,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798276212] [2024-01-27 14:53:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798276212] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:18,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:18,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:53:18,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473066398] [2024-01-27 14:53:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:18,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:18,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:18,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:18,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:18,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 210 [2024-01-27 14:53:18,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:18,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:18,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 210 [2024-01-27 14:53:18,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:18,712 INFO L124 PetriNetUnfolderBase]: 653/2989 cut-off events. [2024-01-27 14:53:18,713 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-01-27 14:53:18,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4067 conditions, 2989 events. 653/2989 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 26757 event pairs, 465 based on Foata normal form. 0/2074 useless extension candidates. Maximal degree in co-relation 3846. Up to 898 conditions per place. [2024-01-27 14:53:18,741 INFO L140 encePairwiseOnDemand]: 202/210 looper letters, 56 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-01-27 14:53:18,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 212 transitions, 555 flow [2024-01-27 14:53:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-01-27 14:53:18,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8492063492063492 [2024-01-27 14:53:18,764 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 420 flow. Second operand 3 states and 535 transitions. [2024-01-27 14:53:18,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 212 transitions, 555 flow [2024-01-27 14:53:18,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 212 transitions, 545 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:53:18,776 INFO L231 Difference]: Finished difference. Result has 199 places, 198 transitions, 404 flow [2024-01-27 14:53:18,778 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=199, PETRI_TRANSITIONS=198} [2024-01-27 14:53:18,781 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -8 predicate places. [2024-01-27 14:53:18,782 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 198 transitions, 404 flow [2024-01-27 14:53:18,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:18,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:18,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:53:18,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:53:18,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:18,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:18,784 INFO L85 PathProgramCache]: Analyzing trace with hash 632837, now seen corresponding path program 1 times [2024-01-27 14:53:18,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:18,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748301911] [2024-01-27 14:53:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:18,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748301911] [2024-01-27 14:53:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748301911] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:53:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635677855] [2024-01-27 14:53:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:18,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:18,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:18,894 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 210 [2024-01-27 14:53:18,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 198 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:18,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:18,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 210 [2024-01-27 14:53:18,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:19,030 INFO L124 PetriNetUnfolderBase]: 244/944 cut-off events. [2024-01-27 14:53:19,031 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-01-27 14:53:19,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 944 events. 244/944 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6698 event pairs, 228 based on Foata normal form. 128/876 useless extension candidates. Maximal degree in co-relation 1186. Up to 432 conditions per place. [2024-01-27 14:53:19,036 INFO L140 encePairwiseOnDemand]: 194/210 looper letters, 33 selfloop transitions, 1 changer transitions 0/105 dead transitions. [2024-01-27 14:53:19,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 286 flow [2024-01-27 14:53:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2024-01-27 14:53:19,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7396825396825397 [2024-01-27 14:53:19,038 INFO L175 Difference]: Start difference. First operand has 199 places, 198 transitions, 404 flow. Second operand 3 states and 466 transitions. [2024-01-27 14:53:19,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 286 flow [2024-01-27 14:53:19,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:53:19,041 INFO L231 Difference]: Finished difference. Result has 109 places, 105 transitions, 216 flow [2024-01-27 14:53:19,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=109, PETRI_TRANSITIONS=105} [2024-01-27 14:53:19,042 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -98 predicate places. [2024-01-27 14:53:19,042 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 216 flow [2024-01-27 14:53:19,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:19,043 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:53:19,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:53:19,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:19,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:19,044 INFO L85 PathProgramCache]: Analyzing trace with hash 19618491, now seen corresponding path program 1 times [2024-01-27 14:53:19,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:19,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459015808] [2024-01-27 14:53:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:19,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:19,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459015808] [2024-01-27 14:53:19,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459015808] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:19,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:19,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:53:19,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410687688] [2024-01-27 14:53:19,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:19,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:19,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 210 [2024-01-27 14:53:19,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:19,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 210 [2024-01-27 14:53:19,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:19,279 INFO L124 PetriNetUnfolderBase]: 223/929 cut-off events. [2024-01-27 14:53:19,279 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-27 14:53:19,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 929 events. 223/929 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6739 event pairs, 144 based on Foata normal form. 2/734 useless extension candidates. Maximal degree in co-relation 1324. Up to 277 conditions per place. [2024-01-27 14:53:19,285 INFO L140 encePairwiseOnDemand]: 202/210 looper letters, 34 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2024-01-27 14:53:19,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 108 transitions, 295 flow [2024-01-27 14:53:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2024-01-27 14:53:19,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2024-01-27 14:53:19,292 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 216 flow. Second operand 3 states and 534 transitions. [2024-01-27 14:53:19,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 108 transitions, 295 flow [2024-01-27 14:53:19,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 108 transitions, 294 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:53:19,295 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 207 flow [2024-01-27 14:53:19,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-01-27 14:53:19,296 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -103 predicate places. [2024-01-27 14:53:19,297 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 207 flow [2024-01-27 14:53:19,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:19,297 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] [2024-01-27 14:53:19,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:53:19,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:19,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1106105833, now seen corresponding path program 1 times [2024-01-27 14:53:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370196082] [2024-01-27 14:53:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:19,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:19,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:19,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370196082] [2024-01-27 14:53:19,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370196082] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:19,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:19,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:53:19,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844717794] [2024-01-27 14:53:19,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:19,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:53:19,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:19,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:53:19,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:53:19,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 210 [2024-01-27 14:53:19,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 207 flow. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:19,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 210 [2024-01-27 14:53:19,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:19,665 INFO L124 PetriNetUnfolderBase]: 209/822 cut-off events. [2024-01-27 14:53:19,666 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-01-27 14:53:19,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 822 events. 209/822 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5617 event pairs, 9 based on Foata normal form. 88/812 useless extension candidates. Maximal degree in co-relation 1231. Up to 351 conditions per place. [2024-01-27 14:53:19,670 INFO L140 encePairwiseOnDemand]: 203/210 looper letters, 37 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-01-27 14:53:19,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 106 transitions, 302 flow [2024-01-27 14:53:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:53:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:53:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 680 transitions. [2024-01-27 14:53:19,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2024-01-27 14:53:19,672 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 207 flow. Second operand 4 states and 680 transitions. [2024-01-27 14:53:19,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 106 transitions, 302 flow [2024-01-27 14:53:19,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 106 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:53:19,675 INFO L231 Difference]: Finished difference. Result has 100 places, 94 transitions, 197 flow [2024-01-27 14:53:19,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=197, PETRI_PLACES=100, PETRI_TRANSITIONS=94} [2024-01-27 14:53:19,677 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -107 predicate places. [2024-01-27 14:53:19,677 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 94 transitions, 197 flow [2024-01-27 14:53:19,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:19,678 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] [2024-01-27 14:53:19,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:53:19,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:19,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash -70456834, now seen corresponding path program 1 times [2024-01-27 14:53:19,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45098776] [2024-01-27 14:53:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45098776] [2024-01-27 14:53:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45098776] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:19,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:19,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:53:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460076450] [2024-01-27 14:53:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:19,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:19,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 210 [2024-01-27 14:53:19,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 94 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:19,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 210 [2024-01-27 14:53:19,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:19,828 INFO L124 PetriNetUnfolderBase]: 133/630 cut-off events. [2024-01-27 14:53:19,828 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-01-27 14:53:19,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 630 events. 133/630 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3943 event pairs, 39 based on Foata normal form. 88/674 useless extension candidates. Maximal degree in co-relation 901. Up to 156 conditions per place. [2024-01-27 14:53:19,832 INFO L140 encePairwiseOnDemand]: 205/210 looper letters, 33 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2024-01-27 14:53:19,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 92 transitions, 260 flow [2024-01-27 14:53:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-01-27 14:53:19,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8269841269841269 [2024-01-27 14:53:19,834 INFO L175 Difference]: Start difference. First operand has 100 places, 94 transitions, 197 flow. Second operand 3 states and 521 transitions. [2024-01-27 14:53:19,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 92 transitions, 260 flow [2024-01-27 14:53:19,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 92 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:53:19,836 INFO L231 Difference]: Finished difference. Result has 86 places, 80 transitions, 166 flow [2024-01-27 14:53:19,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=86, PETRI_TRANSITIONS=80} [2024-01-27 14:53:19,837 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -121 predicate places. [2024-01-27 14:53:19,837 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 80 transitions, 166 flow [2024-01-27 14:53:19,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:19,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:19,838 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] [2024-01-27 14:53:19,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:53:19,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:19,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:19,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2105686169, now seen corresponding path program 1 times [2024-01-27 14:53:19,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:19,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992526764] [2024-01-27 14:53:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:19,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:19,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992526764] [2024-01-27 14:53:19,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992526764] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:19,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:19,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:53:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489209517] [2024-01-27 14:53:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:19,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:53:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:19,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:53:19,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:53:20,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 210 [2024-01-27 14:53:20,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 80 transitions, 166 flow. Second operand has 4 states, 4 states have (on average 158.5) internal successors, (634), 4 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:20,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:20,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 210 [2024-01-27 14:53:20,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:20,127 INFO L124 PetriNetUnfolderBase]: 139/530 cut-off events. [2024-01-27 14:53:20,127 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-01-27 14:53:20,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 530 events. 139/530 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3028 event pairs, 4 based on Foata normal form. 60/532 useless extension candidates. Maximal degree in co-relation 822. Up to 207 conditions per place. [2024-01-27 14:53:20,130 INFO L140 encePairwiseOnDemand]: 200/210 looper letters, 29 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-01-27 14:53:20,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 81 transitions, 236 flow [2024-01-27 14:53:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:53:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:53:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 663 transitions. [2024-01-27 14:53:20,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7892857142857143 [2024-01-27 14:53:20,133 INFO L175 Difference]: Start difference. First operand has 86 places, 80 transitions, 166 flow. Second operand 4 states and 663 transitions. [2024-01-27 14:53:20,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 81 transitions, 236 flow [2024-01-27 14:53:20,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:53:20,135 INFO L231 Difference]: Finished difference. Result has 80 places, 72 transitions, 153 flow [2024-01-27 14:53:20,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=153, PETRI_PLACES=80, PETRI_TRANSITIONS=72} [2024-01-27 14:53:20,136 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -127 predicate places. [2024-01-27 14:53:20,136 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 72 transitions, 153 flow [2024-01-27 14:53:20,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.5) internal successors, (634), 4 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:20,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:20,137 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] [2024-01-27 14:53:20,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:53:20,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:20,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash 634837019, now seen corresponding path program 1 times [2024-01-27 14:53:20,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:20,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423085981] [2024-01-27 14:53:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:53:20,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:20,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423085981] [2024-01-27 14:53:20,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423085981] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:20,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:20,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:53:20,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424405275] [2024-01-27 14:53:20,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:20,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:20,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:20,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:20,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:20,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 210 [2024-01-27 14:53:20,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 72 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:20,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:20,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 210 [2024-01-27 14:53:20,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:20,277 INFO L124 PetriNetUnfolderBase]: 87/349 cut-off events. [2024-01-27 14:53:20,278 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-27 14:53:20,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 349 events. 87/349 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1539 event pairs, 25 based on Foata normal form. 50/391 useless extension candidates. Maximal degree in co-relation 548. Up to 92 conditions per place. [2024-01-27 14:53:20,280 INFO L140 encePairwiseOnDemand]: 204/210 looper letters, 22 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2024-01-27 14:53:20,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 63 transitions, 183 flow [2024-01-27 14:53:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-01-27 14:53:20,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8015873015873016 [2024-01-27 14:53:20,282 INFO L175 Difference]: Start difference. First operand has 80 places, 72 transitions, 153 flow. Second operand 3 states and 505 transitions. [2024-01-27 14:53:20,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 63 transitions, 183 flow [2024-01-27 14:53:20,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 63 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:53:20,284 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 124 flow [2024-01-27 14:53:20,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2024-01-27 14:53:20,285 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -141 predicate places. [2024-01-27 14:53:20,285 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 124 flow [2024-01-27 14:53:20,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:53:20,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:20,286 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] [2024-01-27 14:53:20,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:53:20,286 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-27 14:53:20,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:20,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1515541269, now seen corresponding path program 1 times [2024-01-27 14:53:20,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:20,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355879227] [2024-01-27 14:53:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:53:20,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:53:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:53:20,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:53:20,357 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:53:20,358 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 155 remaining) [2024-01-27 14:53:20,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 155 remaining) [2024-01-27 14:53:20,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 155 remaining) [2024-01-27 14:53:20,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 155 remaining) [2024-01-27 14:53:20,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 155 remaining) [2024-01-27 14:53:20,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 155 remaining) [2024-01-27 14:53:20,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 155 remaining) [2024-01-27 14:53:20,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 155 remaining) [2024-01-27 14:53:20,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 155 remaining) [2024-01-27 14:53:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 155 remaining) [2024-01-27 14:53:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 155 remaining) [2024-01-27 14:53:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 155 remaining) [2024-01-27 14:53:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 155 remaining) [2024-01-27 14:53:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 155 remaining) [2024-01-27 14:53:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 155 remaining) [2024-01-27 14:53:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 155 remaining) [2024-01-27 14:53:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 155 remaining) [2024-01-27 14:53:20,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 155 remaining) [2024-01-27 14:53:20,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 155 remaining) [2024-01-27 14:53:20,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 155 remaining) [2024-01-27 14:53:20,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 155 remaining) [2024-01-27 14:53:20,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 155 remaining) [2024-01-27 14:53:20,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 155 remaining) [2024-01-27 14:53:20,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 155 remaining) [2024-01-27 14:53:20,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 155 remaining) [2024-01-27 14:53:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 155 remaining) [2024-01-27 14:53:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 155 remaining) [2024-01-27 14:53:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 155 remaining) [2024-01-27 14:53:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 155 remaining) [2024-01-27 14:53:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 155 remaining) [2024-01-27 14:53:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err36ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 155 remaining) [2024-01-27 14:53:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 155 remaining) [2024-01-27 14:53:20,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 155 remaining) [2024-01-27 14:53:20,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 155 remaining) [2024-01-27 14:53:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 155 remaining) [2024-01-27 14:53:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 155 remaining) [2024-01-27 14:53:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 155 remaining) [2024-01-27 14:53:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 155 remaining) [2024-01-27 14:53:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 155 remaining) [2024-01-27 14:53:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 155 remaining) [2024-01-27 14:53:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 155 remaining) [2024-01-27 14:53:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 155 remaining) [2024-01-27 14:53:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 155 remaining) [2024-01-27 14:53:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 155 remaining) [2024-01-27 14:53:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 155 remaining) [2024-01-27 14:53:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 155 remaining) [2024-01-27 14:53:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 155 remaining) [2024-01-27 14:53:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 155 remaining) [2024-01-27 14:53:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 155 remaining) [2024-01-27 14:53:20,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 155 remaining) [2024-01-27 14:53:20,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 155 remaining) [2024-01-27 14:53:20,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 155 remaining) [2024-01-27 14:53:20,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 155 remaining) [2024-01-27 14:53:20,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 155 remaining) [2024-01-27 14:53:20,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 155 remaining) [2024-01-27 14:53:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 155 remaining) [2024-01-27 14:53:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (68 of 155 remaining) [2024-01-27 14:53:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 155 remaining) [2024-01-27 14:53:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 155 remaining) [2024-01-27 14:53:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 155 remaining) [2024-01-27 14:53:20,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 155 remaining) [2024-01-27 14:53:20,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 155 remaining) [2024-01-27 14:53:20,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 155 remaining) [2024-01-27 14:53:20,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 155 remaining) [2024-01-27 14:53:20,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 155 remaining) [2024-01-27 14:53:20,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 155 remaining) [2024-01-27 14:53:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 155 remaining) [2024-01-27 14:53:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 155 remaining) [2024-01-27 14:53:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 155 remaining) [2024-01-27 14:53:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 155 remaining) [2024-01-27 14:53:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 155 remaining) [2024-01-27 14:53:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 155 remaining) [2024-01-27 14:53:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 155 remaining) [2024-01-27 14:53:20,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 155 remaining) [2024-01-27 14:53:20,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 155 remaining) [2024-01-27 14:53:20,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 155 remaining) [2024-01-27 14:53:20,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 155 remaining) [2024-01-27 14:53:20,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 155 remaining) [2024-01-27 14:53:20,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err36ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 155 remaining) [2024-01-27 14:53:20,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 155 remaining) [2024-01-27 14:53:20,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 155 remaining) [2024-01-27 14:53:20,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 155 remaining) [2024-01-27 14:53:20,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 155 remaining) [2024-01-27 14:53:20,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 155 remaining) [2024-01-27 14:53:20,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 155 remaining) [2024-01-27 14:53:20,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 155 remaining) [2024-01-27 14:53:20,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 155 remaining) [2024-01-27 14:53:20,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 155 remaining) [2024-01-27 14:53:20,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 155 remaining) [2024-01-27 14:53:20,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 155 remaining) [2024-01-27 14:53:20,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:53:20,392 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:53:20,399 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:53:20,400 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:53:20,459 INFO L503 ceAbstractionStarter]: Automizer considered 85 witness invariants [2024-01-27 14:53:20,459 INFO L504 ceAbstractionStarter]: WitnessConsidered=85 [2024-01-27 14:53:20,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:53:20 BasicIcfg [2024-01-27 14:53:20,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:53:20,464 INFO L158 Benchmark]: Toolchain (without parser) took 4880.12ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 131.5MB in the beginning and 127.2MB in the end (delta: 4.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-01-27 14:53:20,465 INFO L158 Benchmark]: Witness Parser took 0.73ms. Allocated memory is still 100.7MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:53:20,465 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:53:20,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.12ms. Allocated memory is still 174.1MB. Free memory was 131.5MB in the beginning and 92.8MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-01-27 14:53:20,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.46ms. Allocated memory is still 174.1MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:53:20,465 INFO L158 Benchmark]: Boogie Preprocessor took 74.33ms. Allocated memory is still 174.1MB. Free memory was 90.7MB in the beginning and 86.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 14:53:20,466 INFO L158 Benchmark]: RCFGBuilder took 884.45ms. Allocated memory is still 174.1MB. Free memory was 86.5MB in the beginning and 74.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-01-27 14:53:20,466 INFO L158 Benchmark]: TraceAbstraction took 2971.50ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 73.3MB in the beginning and 127.2MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:53:20,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.73ms. Allocated memory is still 100.7MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.12ms. Allocated memory is still 174.1MB. Free memory was 131.5MB in the beginning and 92.8MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.46ms. Allocated memory is still 174.1MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.33ms. Allocated memory is still 174.1MB. Free memory was 90.7MB in the beginning and 86.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 884.45ms. Allocated memory is still 174.1MB. Free memory was 86.5MB in the beginning and 74.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2971.50ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 73.3MB in the beginning and 127.2MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 880]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L870] 0 int num; [L871] 0 unsigned long total; [L872] 0 int flag; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 4 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L879] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L879] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[num],IntegerLiteral[1]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[num]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[1]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] - UnprovableResult [Line: 877]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 891]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 893]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 902]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 893]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 902]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 903]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 903]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 904]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 904]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 899]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 899]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 900]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 900]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 919]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 361 locations, 155 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: 2.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 559 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 46 mSDtfsCounter, 508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=420occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 14:53:20,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE