./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix008.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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-wmm/mix008.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix008.opt.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-958ec4d-m [2024-02-07 14:45:34,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:45:34,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:45:34,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:45:34,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:45:34,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:45:34,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:45:34,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:45:34,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:45:34,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:45:34,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:45:34,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:45:34,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:45:34,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:45:34,721 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:45:34,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:45:34,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:45:34,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:45:34,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:45:34,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:45:34,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:45:34,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:45:34,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:45:34,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:45:34,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:45:34,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:45:34,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:45:34,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:45:34,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:45:34,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:45:34,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:45:34,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:45:34,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:45:34,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:45:34,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:45:34,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:45:34,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:45:34,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:45:34,728 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:45:35,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:45:35,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:45:35,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:45:35,036 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:45:35,036 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:45:35,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix008.opt.yml/witness.yml [2024-02-07 14:45:35,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:45:35,197 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:45:35,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-02-07 14:45:36,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:45:36,686 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:45:36,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-02-07 14:45:36,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58c5c91b/934b25c7f9964b50a5c857901afe71e5/FLAG3f37f6e87 [2024-02-07 14:45:36,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d58c5c91b/934b25c7f9964b50a5c857901afe71e5 [2024-02-07 14:45:36,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:45:36,725 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:45:36,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:45:36,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:45:36,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:45:36,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:35" (1/2) ... [2024-02-07 14:45:36,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3fb61 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:36, skipping insertion in model container [2024-02-07 14:45:36,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:35" (1/2) ... [2024-02-07 14:45:36,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a520155 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:45:36, skipping insertion in model container [2024-02-07 14:45:36,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:45:36" (2/2) ... [2024-02-07 14:45:36,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3fb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:36, skipping insertion in model container [2024-02-07 14:45:36,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:45:36" (2/2) ... [2024-02-07 14:45:36,737 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:45:36,888 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:45:36,889 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] 0 <= __unbuffered_cnt [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,890 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:45:36,891 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:45:36,892 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,892 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] 0 <= __unbuffered_cnt [2024-02-07 14:45:36,892 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y == 2 [2024-02-07 14:45:36,892 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:45:36,892 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] z$flush_delayed == (_Bool)0 [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 1 <= __unbuffered_cnt [2024-02-07 14:45:36,893 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 0 <= __unbuffered_cnt [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__unbuffered_p2_EAX == 2 && ((__unbuffered_p2_EBX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EBX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || (((((((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 14:45:36,894 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:45:36,895 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,895 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:45:36,895 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] y == 1 [2024-02-07 14:45:36,896 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,896 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] a == 1 [2024-02-07 14:45:36,897 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 14:45:36,898 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) [2024-02-07 14:45:36,898 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] z$flush_delayed == (_Bool)0 [2024-02-07 14:45:36,898 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:45:36,898 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:45:36,898 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:45:36,899 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:45:36,899 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 14:45:36,899 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 14:45:36,899 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:45:36,900 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:45:36,900 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:45:36,900 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,901 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,902 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] 1 <= __unbuffered_cnt [2024-02-07 14:45:36,903 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:45:36,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:45:37,111 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-wmm/mix008.opt.i[944,957] [2024-02-07 14:45:37,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:45:37,370 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:45:37,407 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-wmm/mix008.opt.i[944,957] 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 [2024-02-07 14:45:37,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:45:37,596 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:45:37,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37 WrapperNode [2024-02-07 14:45:37,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:45:37,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:45:37,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:45:37,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:45:37,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,659 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2024-02-07 14:45:37,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:45:37,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:45:37,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:45:37,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:45:37,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,697 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:45:37,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:45:37,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:45:37,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:45:37,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:45:37,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (1/1) ... [2024-02-07 14:45:37,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:45:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:45:37,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:45:37,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:45:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:45:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:45:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:45:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:45:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:45:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:45:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:45:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:45:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:45:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:45:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:45:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:45:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:45:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:45:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:45:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:45:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:45:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:45:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:45:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:45:37,825 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:45:38,020 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:45:38,022 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:45:38,517 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:45:38,517 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:45:38,948 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:45:38,948 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:45:38,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:45:38 BoogieIcfgContainer [2024-02-07 14:45:38,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:45:38,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:45:38,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:45:38,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:45:38,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:45:35" (1/4) ... [2024-02-07 14:45:38,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cf014 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:45:38, skipping insertion in model container [2024-02-07 14:45:38,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:45:36" (2/4) ... [2024-02-07 14:45:38,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cf014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:45:38, skipping insertion in model container [2024-02-07 14:45:38,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:45:37" (3/4) ... [2024-02-07 14:45:38,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cf014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:45:38, skipping insertion in model container [2024-02-07 14:45:38,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:45:38" (4/4) ... [2024-02-07 14:45:38,955 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2024-02-07 14:45:38,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:45:38,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-02-07 14:45:38,970 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:45:39,099 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:45:39,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 14:45:39,162 INFO L124 PetriNetUnfolderBase]: 1/122 cut-off events. [2024-02-07 14:45:39,162 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:45:39,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 122 events. 1/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 683 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2024-02-07 14:45:39,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 14:45:39,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 122 transitions, 256 flow [2024-02-07 14:45:39,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:45:39,183 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;@63aec5de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:45:39,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2024-02-07 14:45:39,185 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:45:39,185 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:45:39,185 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:45:39,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:45:39,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:45:39,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 14:45:39,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:45:39,190 INFO L85 PathProgramCache]: Analyzing trace with hash 26964701, now seen corresponding path program 1 times [2024-02-07 14:45:39,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:45:39,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924577752] [2024-02-07 14:45:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:45:39,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:45:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:45:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:45:39,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:45:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924577752] [2024-02-07 14:45:39,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924577752] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:45:39,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:45:39,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:45:39,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192783435] [2024-02-07 14:45:39,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:45:39,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:45:39,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:45:39,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:45:39,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:45:39,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 14:45:39,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:39,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:45:39,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 14:45:39,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:45:51,367 INFO L124 PetriNetUnfolderBase]: 111455/161857 cut-off events. [2024-02-07 14:45:51,368 INFO L125 PetriNetUnfolderBase]: For 484/484 co-relation queries the response was YES. [2024-02-07 14:45:51,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308265 conditions, 161857 events. 111455/161857 cut-off events. For 484/484 co-relation queries the response was YES. Maximal size of possible extension queue 7761. Compared 1368785 event pairs, 111455 based on Foata normal form. 2520/96291 useless extension candidates. Maximal degree in co-relation 308253. Up to 145309 conditions per place. [2024-02-07 14:45:52,468 INFO L140 encePairwiseOnDemand]: 93/126 looper letters, 47 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2024-02-07 14:45:52,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 228 flow [2024-02-07 14:45:52,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:45:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:45:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 116 transitions. [2024-02-07 14:45:52,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2024-02-07 14:45:52,483 INFO L175 Difference]: Start difference. First operand has 134 places, 122 transitions, 256 flow. Second operand 2 states and 116 transitions. [2024-02-07 14:45:52,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 228 flow [2024-02-07 14:45:52,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:45:52,503 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 130 flow [2024-02-07 14:45:52,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 14:45:52,509 INFO L281 CegarLoopForPetriNet]: 134 programPoint places, -63 predicate places. [2024-02-07 14:45:52,509 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 130 flow [2024-02-07 14:45:52,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:52,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:45:52,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:45:52,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:45:52,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 14:45:52,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:45:52,511 INFO L85 PathProgramCache]: Analyzing trace with hash 147481418, now seen corresponding path program 1 times [2024-02-07 14:45:52,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:45:52,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740572451] [2024-02-07 14:45:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:45:52,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:45:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:45:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:45:52,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:45:52,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740572451] [2024-02-07 14:45:52,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740572451] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:45:52,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:45:52,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:45:52,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606817688] [2024-02-07 14:45:52,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:45:52,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:45:52,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:45:52,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:45:52,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:45:52,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 14:45:52,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:45:52,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:45:52,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 14:45:52,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:00,680 INFO L124 PetriNetUnfolderBase]: 86480/116937 cut-off events. [2024-02-07 14:46:00,680 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:00,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231423 conditions, 116937 events. 86480/116937 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5712. Compared 839407 event pairs, 26412 based on Foata normal form. 0/70834 useless extension candidates. Maximal degree in co-relation 231420. Up to 89379 conditions per place. [2024-02-07 14:46:01,577 INFO L140 encePairwiseOnDemand]: 118/126 looper letters, 81 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2024-02-07 14:46:01,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 99 transitions, 382 flow [2024-02-07 14:46:01,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2024-02-07 14:46:01,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3783068783068783 [2024-02-07 14:46:01,579 INFO L175 Difference]: Start difference. First operand has 71 places, 61 transitions, 130 flow. Second operand 3 states and 143 transitions. [2024-02-07 14:46:01,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 99 transitions, 382 flow [2024-02-07 14:46:01,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 99 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:46:01,581 INFO L231 Difference]: Finished difference. Result has 74 places, 64 transitions, 162 flow [2024-02-07 14:46:01,582 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=74, PETRI_TRANSITIONS=64} [2024-02-07 14:46:01,582 INFO L281 CegarLoopForPetriNet]: 134 programPoint places, -60 predicate places. [2024-02-07 14:46:01,582 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 64 transitions, 162 flow [2024-02-07 14:46:01,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:01,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:01,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:01,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:46:01,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 14:46:01,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1576714669, now seen corresponding path program 1 times [2024-02-07 14:46:01,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:01,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496300882] [2024-02-07 14:46:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:01,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:01,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:01,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496300882] [2024-02-07 14:46:01,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496300882] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:01,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:01,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:46:01,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42150944] [2024-02-07 14:46:01,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:01,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:01,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:01,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:01,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:01,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 14:46:01,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 64 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:01,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:01,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 14:46:01,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand