./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c --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/parallel-ticket-3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 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/weaver/parallel-ticket-3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-3.wvr.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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:09:45,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:09:45,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:09:45,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:09:45,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:09:45,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:09:45,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:09:45,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:09:45,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:09:45,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:09:45,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:09:45,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:09:45,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:09:45,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:09:45,663 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:09:45,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:09:45,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:09:45,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:09:45,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:09:45,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:09:45,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:09:45,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:09:45,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:09:45,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:09:45,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:09:45,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:09:45,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:09:45,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:09:45,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:09:45,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:09:45,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:09:45,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:09:45,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:09:45,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:09:45,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:09:45,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:09:45,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:09:45,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:09:45,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:09:45,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:09:45,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:09:45,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:09:45,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:09:45,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:09:46,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:09:46,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:09:46,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:09:46,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:09:46,042 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:09:46,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-01-31 16:09:47,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:09:47,370 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:09:47,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-01-31 16:09:47,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697f4649a/bc0f0178a5b1471c9485dc4e7a7e7eb1/FLAG966be53ea [2024-01-31 16:09:47,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697f4649a/bc0f0178a5b1471c9485dc4e7a7e7eb1 [2024-01-31 16:09:47,389 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:09:47,390 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:09:47,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-3.wvr.yml/witness.yml [2024-01-31 16:09:47,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:09:47,566 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:09:47,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:09:47,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:09:47,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:09:47,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:09:47" (1/2) ... [2024-01-31 16:09:47,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d61bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:47, skipping insertion in model container [2024-01-31 16:09:47,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:09:47" (1/2) ... [2024-01-31 16:09:47,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4df4bc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:47, skipping insertion in model container [2024-01-31 16:09:47,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:47" (2/2) ... [2024-01-31 16:09:47,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d61bc4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47, skipping insertion in model container [2024-01-31 16:09:47,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:47" (2/2) ... [2024-01-31 16:09:47,578 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:09:47,620 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:09:47,621 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,621 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,621 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,621 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] b == (_Bool)0 || b == (_Bool)1 [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((((((m1 == 0) && (m2 == 0)) && (m3 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] b == (_Bool)0 [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (x == 0) && (b == (_Bool)0) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,622 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] ((x == 1) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] ((x == 0) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (((s == 0) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,623 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,624 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,624 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,624 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,624 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (((((m2 == 0) && (m3 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,625 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,626 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,626 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,626 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,626 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] ((((m3 == 0) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:47,626 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] ((t == 0) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,628 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] b == (_Bool)0 || b == (_Bool)1 [2024-01-31 16:09:47,629 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,630 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:47,630 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,630 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-31 16:09:47,651 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:09:47,810 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c[3128,3141] [2024-01-31 16:09:47,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:09:47,832 INFO L204 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 [2024-01-31 16:09:47,915 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c[3128,3141] [2024-01-31 16:09:47,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:09:47,927 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:09:47,928 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47 WrapperNode [2024-01-31 16:09:47,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:09:47,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:09:47,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:09:47,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:09:47,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:47,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:47,979 INFO L138 Inliner]: procedures = 22, calls = 55, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 221 [2024-01-31 16:09:47,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:09:47,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:09:47,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:09:47,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:09:47,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:47,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:47,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,009 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:09:48,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:09:48,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:09:48,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:09:48,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:09:48,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (1/1) ... [2024-01-31 16:09:48,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:09:48,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:09:48,095 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) [2024-01-31 16:09:48,138 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 [2024-01-31 16:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:09:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:09:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:09:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:09:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:09:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:09:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:09:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:09:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:09:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:09:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:09:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:09:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:09:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:09:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:09:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:09:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:09:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:09:48,192 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:09:48,332 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:09:48,334 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:09:48,708 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:09:48,708 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:09:48,876 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:09:48,876 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:09:48,877 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:09:48 BoogieIcfgContainer [2024-01-31 16:09:48,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:09:48,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:09:48,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:09:48,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:09:48,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:09:47" (1/4) ... [2024-01-31 16:09:48,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f531c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:09:48, skipping insertion in model container [2024-01-31 16:09:48,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:47" (2/4) ... [2024-01-31 16:09:48,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f531c8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:09:48, skipping insertion in model container [2024-01-31 16:09:48,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:47" (3/4) ... [2024-01-31 16:09:48,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f531c8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:09:48, skipping insertion in model container [2024-01-31 16:09:48,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:09:48" (4/4) ... [2024-01-31 16:09:48,886 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2024-01-31 16:09:48,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:09:48,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2024-01-31 16:09:48,901 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:09:49,003 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:09:49,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 113 transitions, 247 flow [2024-01-31 16:09:49,108 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-01-31 16:09:49,108 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:09:49,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 0/110 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 352 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-31 16:09:49,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 113 transitions, 247 flow [2024-01-31 16:09:49,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 109 transitions, 236 flow [2024-01-31 16:09:49,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:09:49,136 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;@1c587382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:09:49,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-01-31 16:09:49,139 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:09:49,140 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:09:49,140 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:09:49,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:49,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:09:49,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:49,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:49,145 INFO L85 PathProgramCache]: Analyzing trace with hash 18194, now seen corresponding path program 1 times [2024-01-31 16:09:49,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:49,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381310536] [2024-01-31 16:09:49,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:49,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:49,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:49,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381310536] [2024-01-31 16:09:49,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381310536] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:49,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:49,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:09:49,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016815497] [2024-01-31 16:09:49,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:49,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:09:49,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:49,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:09:49,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:09:49,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 113 [2024-01-31 16:09:49,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 109 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-31 16:09:49,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:49,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 113 [2024-01-31 16:09:49,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:51,354 INFO L124 PetriNetUnfolderBase]: 10317/16618 cut-off events. [2024-01-31 16:09:51,356 INFO L125 PetriNetUnfolderBase]: For 207/207 co-relation queries the response was YES. [2024-01-31 16:09:51,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32191 conditions, 16618 events. 10317/16618 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 887. Compared 138616 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 30260. Up to 15045 conditions per place. [2024-01-31 16:09:51,458 INFO L140 encePairwiseOnDemand]: 100/113 looper letters, 63 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-01-31 16:09:51,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 98 transitions, 344 flow [2024-01-31 16:09:51,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:09:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:09:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2024-01-31 16:09:51,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5427728613569321 [2024-01-31 16:09:51,477 INFO L175 Difference]: Start difference. First operand has 119 places, 109 transitions, 236 flow. Second operand 3 states and 184 transitions. [2024-01-31 16:09:51,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 98 transitions, 344 flow [2024-01-31 16:09:51,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 98 transitions, 332 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 16:09:51,505 INFO L231 Difference]: Finished difference. Result has 104 places, 98 transitions, 206 flow [2024-01-31 16:09:51,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=104, PETRI_TRANSITIONS=98} [2024-01-31 16:09:51,509 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -15 predicate places. [2024-01-31 16:09:51,509 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 98 transitions, 206 flow [2024-01-31 16:09:51,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-31 16:09:51,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:51,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:09:51,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:09:51,511 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:51,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:51,512 INFO L85 PathProgramCache]: Analyzing trace with hash 564656, now seen corresponding path program 1 times [2024-01-31 16:09:51,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:51,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084492738] [2024-01-31 16:09:51,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:51,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:51,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:51,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084492738] [2024-01-31 16:09:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084492738] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:51,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:51,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516491058] [2024-01-31 16:09:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:51,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:09:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:09:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:09:51,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 113 [2024-01-31 16:09:51,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 98 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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) [2024-01-31 16:09:51,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:51,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 113 [2024-01-31 16:09:51,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:53,005 INFO L124 PetriNetUnfolderBase]: 10317/16617 cut-off events. [2024-01-31 16:09:53,005 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-31 16:09:53,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31849 conditions, 16617 events. 10317/16617 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 138737 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 31840. Up to 15043 conditions per place. [2024-01-31 16:09:53,090 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 62 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-01-31 16:09:53,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 97 transitions, 332 flow [2024-01-31 16:09:53,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:09:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:09:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2024-01-31 16:09:53,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5191740412979351 [2024-01-31 16:09:53,096 INFO L175 Difference]: Start difference. First operand has 104 places, 98 transitions, 206 flow. Second operand 3 states and 176 transitions. [2024-01-31 16:09:53,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 97 transitions, 332 flow [2024-01-31 16:09:53,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:09:53,099 INFO L231 Difference]: Finished difference. Result has 103 places, 97 transitions, 204 flow [2024-01-31 16:09:53,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2024-01-31 16:09:53,099 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-01-31 16:09:53,100 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 97 transitions, 204 flow [2024-01-31 16:09:53,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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) [2024-01-31 16:09:53,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:53,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:09:53,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:09:53,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:53,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:53,103 INFO L85 PathProgramCache]: Analyzing trace with hash 17504981, now seen corresponding path program 1 times [2024-01-31 16:09:53,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:53,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162368397] [2024-01-31 16:09:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:53,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:53,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162368397] [2024-01-31 16:09:53,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162368397] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:53,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:53,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:53,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353681354] [2024-01-31 16:09:53,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:09:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:53,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:09:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:09:53,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 113 [2024-01-31 16:09:53,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 97 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 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) [2024-01-31 16:09:53,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:53,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 113 [2024-01-31 16:09:53,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:54,278 INFO L124 PetriNetUnfolderBase]: 10317/16616 cut-off events. [2024-01-31 16:09:54,279 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-31 16:09:54,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31847 conditions, 16616 events. 10317/16616 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 138497 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 31836. Up to 15041 conditions per place. [2024-01-31 16:09:54,350 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 61 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-31 16:09:54,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 96 transitions, 328 flow [2024-01-31 16:09:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:09:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:09:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 178 transitions. [2024-01-31 16:09:54,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5250737463126843 [2024-01-31 16:09:54,353 INFO L175 Difference]: Start difference. First operand has 103 places, 97 transitions, 204 flow. Second operand 3 states and 178 transitions. [2024-01-31 16:09:54,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 96 transitions, 328 flow [2024-01-31 16:09:54,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 96 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:09:54,356 INFO L231 Difference]: Finished difference. Result has 102 places, 96 transitions, 202 flow [2024-01-31 16:09:54,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=102, PETRI_TRANSITIONS=96} [2024-01-31 16:09:54,357 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -17 predicate places. [2024-01-31 16:09:54,357 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 96 transitions, 202 flow [2024-01-31 16:09:54,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 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) [2024-01-31 16:09:54,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:54,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:09:54,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:09:54,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:54,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:54,359 INFO L85 PathProgramCache]: Analyzing trace with hash 542654968, now seen corresponding path program 1 times [2024-01-31 16:09:54,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:54,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255055146] [2024-01-31 16:09:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:54,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:54,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255055146] [2024-01-31 16:09:54,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255055146] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:54,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:54,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:54,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749341809] [2024-01-31 16:09:54,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:54,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:09:54,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:09:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:09:54,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 113 [2024-01-31 16:09:54,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 96 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2024-01-31 16:09:54,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:54,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 113 [2024-01-31 16:09:54,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:55,728 INFO L124 PetriNetUnfolderBase]: 10200/17451 cut-off events. [2024-01-31 16:09:55,728 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-31 16:09:55,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32507 conditions, 17451 events. 10200/17451 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 148664 event pairs, 6533 based on Foata normal form. 0/9714 useless extension candidates. Maximal degree in co-relation 32494. Up to 14814 conditions per place. [2024-01-31 16:09:55,818 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 66 selfloop transitions, 6 changer transitions 0/105 dead transitions. [2024-01-31 16:09:55,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 366 flow [2024-01-31 16:09:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:09:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:09:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-01-31 16:09:55,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5722713864306784 [2024-01-31 16:09:55,820 INFO L175 Difference]: Start difference. First operand has 102 places, 96 transitions, 202 flow. Second operand 3 states and 194 transitions. [2024-01-31 16:09:55,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 366 flow [2024-01-31 16:09:55,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 105 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:09:55,822 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 230 flow [2024-01-31 16:09:55,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2024-01-31 16:09:55,824 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-01-31 16:09:55,824 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 230 flow [2024-01-31 16:09:55,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2024-01-31 16:09:55,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:55,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:09:55,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:09:55,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:55,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash -357564536, now seen corresponding path program 1 times [2024-01-31 16:09:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:55,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595343237] [2024-01-31 16:09:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:55,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:55,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595343237] [2024-01-31 16:09:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595343237] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:55,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:55,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:55,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134861634] [2024-01-31 16:09:55,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:55,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:09:55,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:09:55,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:09:55,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 113 [2024-01-31 16:09:55,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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) [2024-01-31 16:09:55,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:55,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 113 [2024-01-31 16:09:55,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:57,107 INFO L124 PetriNetUnfolderBase]: 10200/17450 cut-off events. [2024-01-31 16:09:57,107 INFO L125 PetriNetUnfolderBase]: For 855/855 co-relation queries the response was YES. [2024-01-31 16:09:57,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34568 conditions, 17450 events. 10200/17450 cut-off events. For 855/855 co-relation queries the response was YES. Maximal size of possible extension queue 955. Compared 148474 event pairs, 6533 based on Foata normal form. 0/10737 useless extension candidates. Maximal degree in co-relation 11767. Up to 14812 conditions per place. [2024-01-31 16:09:57,167 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 65 selfloop transitions, 6 changer transitions 0/104 dead transitions. [2024-01-31 16:09:57,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 104 transitions, 388 flow [2024-01-31 16:09:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:09:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:09:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2024-01-31 16:09:57,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5663716814159292 [2024-01-31 16:09:57,169 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 230 flow. Second operand 3 states and 192 transitions. [2024-01-31 16:09:57,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 104 transitions, 388 flow [2024-01-31 16:09:57,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 104 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-31 16:09:57,174 INFO L231 Difference]: Finished difference. Result has 101 places, 96 transitions, 234 flow [2024-01-31 16:09:57,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=101, PETRI_TRANSITIONS=96} [2024-01-31 16:09:57,176 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-01-31 16:09:57,176 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 96 transitions, 234 flow [2024-01-31 16:09:57,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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) [2024-01-31 16:09:57,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:57,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:09:57,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:09:57,177 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:57,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1800401870, now seen corresponding path program 1 times [2024-01-31 16:09:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:57,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103257675] [2024-01-31 16:09:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:57,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:57,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103257675] [2024-01-31 16:09:57,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103257675] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:57,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:57,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225675503] [2024-01-31 16:09:57,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:57,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:09:57,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:57,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:09:57,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:09:57,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 113 [2024-01-31 16:09:57,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-01-31 16:09:57,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:57,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 113 [2024-01-31 16:09:57,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:58,612 INFO L124 PetriNetUnfolderBase]: 12579/21428 cut-off events. [2024-01-31 16:09:58,612 INFO L125 PetriNetUnfolderBase]: For 1240/1240 co-relation queries the response was YES. [2024-01-31 16:09:58,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42410 conditions, 21428 events. 12579/21428 cut-off events. For 1240/1240 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 188249 event pairs, 5825 based on Foata normal form. 1/12971 useless extension candidates. Maximal degree in co-relation 35387. Up to 10660 conditions per place. [2024-01-31 16:09:58,722 INFO L140 encePairwiseOnDemand]: 104/113 looper letters, 117 selfloop transitions, 7 changer transitions 1/158 dead transitions. [2024-01-31 16:09:58,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 158 transitions, 631 flow [2024-01-31 16:09:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:09:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:09:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 288 transitions. [2024-01-31 16:09:58,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6371681415929203 [2024-01-31 16:09:58,724 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 234 flow. Second operand 4 states and 288 transitions. [2024-01-31 16:09:58,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 158 transitions, 631 flow [2024-01-31 16:09:58,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 158 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:09:58,727 INFO L231 Difference]: Finished difference. Result has 103 places, 97 transitions, 253 flow [2024-01-31 16:09:58,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=253, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2024-01-31 16:09:58,727 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-01-31 16:09:58,728 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 97 transitions, 253 flow [2024-01-31 16:09:58,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-01-31 16:09:58,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:58,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:09:58,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-31 16:09:58,728 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:09:58,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:58,729 INFO L85 PathProgramCache]: Analyzing trace with hash -22116325, now seen corresponding path program 1 times [2024-01-31 16:09:58,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:58,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992411147] [2024-01-31 16:09:58,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:58,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992411147] [2024-01-31 16:09:58,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992411147] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:58,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:58,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:09:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685282135] [2024-01-31 16:09:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:09:58,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:09:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:09:58,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 113 [2024-01-31 16:09:58,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 97 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-01-31 16:09:58,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:58,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 113 [2024-01-31 16:09:58,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:09:59,997 INFO L124 PetriNetUnfolderBase]: 12579/21515 cut-off events. [2024-01-31 16:09:59,998 INFO L125 PetriNetUnfolderBase]: For 3741/3741 co-relation queries the response was YES. [2024-01-31 16:10:00,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44580 conditions, 21515 events. 12579/21515 cut-off events. For 3741/3741 co-relation queries the response was YES. Maximal size of possible extension queue 1137. Compared 189848 event pairs, 5316 based on Foata normal form. 0/14507 useless extension candidates. Maximal degree in co-relation 17460. Up to 13445 conditions per place. [2024-01-31 16:10:00,147 INFO L140 encePairwiseOnDemand]: 107/113 looper letters, 90 selfloop transitions, 7 changer transitions 0/130 dead transitions. [2024-01-31 16:10:00,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 130 transitions, 545 flow [2024-01-31 16:10:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:10:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:10:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-01-31 16:10:00,151 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.640117994100295 [2024-01-31 16:10:00,151 INFO L175 Difference]: Start difference. First operand has 103 places, 97 transitions, 253 flow. Second operand 3 states and 217 transitions. [2024-01-31 16:10:00,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 130 transitions, 545 flow [2024-01-31 16:10:00,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 130 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:10:00,165 INFO L231 Difference]: Finished difference. Result has 103 places, 100 transitions, 287 flow [2024-01-31 16:10:00,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2024-01-31 16:10:00,167 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-01-31 16:10:00,167 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 287 flow [2024-01-31 16:10:00,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-01-31 16:10:00,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:10:00,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:10:00,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-31 16:10:00,168 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-01-31 16:10:00,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:10:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash -685605495, now seen corresponding path program 1 times [2024-01-31 16:10:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:10:00,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952544857] [2024-01-31 16:10:00,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:10:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:10:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:10:00,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:10:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:10:00,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:10:00,208 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:10:00,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 103 remaining) [2024-01-31 16:10:00,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 103 remaining) [2024-01-31 16:10:00,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 103 remaining) [2024-01-31 16:10:00,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 103 remaining) [2024-01-31 16:10:00,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 103 remaining) [2024-01-31 16:10:00,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 103 remaining) [2024-01-31 16:10:00,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 103 remaining) [2024-01-31 16:10:00,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 103 remaining) [2024-01-31 16:10:00,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 103 remaining) [2024-01-31 16:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 103 remaining) [2024-01-31 16:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 103 remaining) [2024-01-31 16:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 103 remaining) [2024-01-31 16:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 103 remaining) [2024-01-31 16:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 103 remaining) [2024-01-31 16:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 103 remaining) [2024-01-31 16:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 103 remaining) [2024-01-31 16:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 103 remaining) [2024-01-31 16:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 103 remaining) [2024-01-31 16:10:00,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 103 remaining) [2024-01-31 16:10:00,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 103 remaining) [2024-01-31 16:10:00,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 103 remaining) [2024-01-31 16:10:00,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 103 remaining) [2024-01-31 16:10:00,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 103 remaining) [2024-01-31 16:10:00,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (48 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 103 remaining) [2024-01-31 16:10:00,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 103 remaining) [2024-01-31 16:10:00,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 103 remaining) [2024-01-31 16:10:00,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 103 remaining) [2024-01-31 16:10:00,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 103 remaining) [2024-01-31 16:10:00,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 103 remaining) [2024-01-31 16:10:00,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 103 remaining) [2024-01-31 16:10:00,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 103 remaining) [2024-01-31 16:10:00,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 103 remaining) [2024-01-31 16:10:00,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 103 remaining) [2024-01-31 16:10:00,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-31 16:10:00,232 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:10:00,239 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:10:00,239 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:10:00,259 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-01-31 16:10:00,260 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-01-31 16:10:00,260 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:10:00 BasicIcfg [2024-01-31 16:10:00,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:10:00,262 INFO L158 Benchmark]: Toolchain (without parser) took 12694.54ms. Allocated memory was 190.8MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 161.3MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-01-31 16:10:00,263 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:10:00,263 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:10:00,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.75ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 139.2MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-31 16:10:00,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory is still 190.8MB. Free memory was 139.2MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:10:00,264 INFO L158 Benchmark]: Boogie Preprocessor took 71.58ms. Allocated memory is still 190.8MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:10:00,264 INFO L158 Benchmark]: RCFGBuilder took 825.03ms. Allocated memory is still 190.8MB. Free memory was 133.9MB in the beginning and 85.9MB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-01-31 16:10:00,264 INFO L158 Benchmark]: TraceAbstraction took 11380.52ms. Allocated memory was 190.8MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 84.8MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-01-31 16:10:00,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.75ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 139.2MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory is still 190.8MB. Free memory was 139.2MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.58ms. Allocated memory is still 190.8MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 825.03ms. Allocated memory is still 190.8MB. Free memory was 133.9MB in the beginning and 85.9MB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11380.52ms. Allocated memory was 190.8MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 84.8MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 114]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int m1, m2, m3, s, t, x; [L39] _Bool b; [L102] pthread_t t1, t2, t3; VAL [b=0, m1=0, m2=0, m3=0, s=0, t1={6:0}, t2={3:0}, t3={5:0}, t=0, x=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L105] m1 = __VERIFIER_nondet_int() [L106] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L106] m2 = __VERIFIER_nondet_int() [L107] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L107] m3 = __VERIFIER_nondet_int() [L108] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L108] s = __VERIFIER_nondet_int() [L109] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L109] t = __VERIFIER_nondet_int() [L110] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L110] x = __VERIFIER_nondet_int() [L111] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L111] b = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [b=2, m1=0, m2=0, m3=0, s=0, t1={6:0}, t2={3:0}, t3={5:0}, t=0, x=0] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 111]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: 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: 116]: 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: 118]: 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: 117]: 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 7 procedures, 197 locations, 103 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: 11.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 37 mSDtfsCounter, 1051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=7, InterpolantAutomatonStates: 22, 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, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 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! [2024-01-31 16:10:00,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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