./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-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/popl20-threaded-sum-3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/popl20-threaded-sum-3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-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-dev-59af5db-m [2024-02-02 09:21:54,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:21:54,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:21:54,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:21:54,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:21:54,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:21:54,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:21:54,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:21:54,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:21:54,727 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:21:54,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:21:54,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:21:54,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:21:54,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:21:54,729 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:21:54,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:21:54,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:21:54,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:21:54,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:21:54,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:21:54,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:21:54,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:21:54,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:21:54,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:21:54,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:21:54,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:21:54,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:21:54,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:21:54,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:21:54,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:21:54,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:21:54,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:21:54,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:21:54,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:21:54,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:21:54,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:21:54,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:21:54,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:21:54,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:21:54,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:21:54,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:21:54,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:21:54,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:21:54,738 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:21:55,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:21:55,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:21:55,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:21:55,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:21:55,038 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:21:55,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-02-02 09:21:56,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:21:56,381 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:21:56,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-02-02 09:21:56,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05086ee6/d06f5c06b73b4f9dafcf94b06119f141/FLAGa149a0731 [2024-02-02 09:21:56,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05086ee6/d06f5c06b73b4f9dafcf94b06119f141 [2024-02-02 09:21:56,415 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:21:56,416 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:21:56,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.wvr.yml/witness.yml [2024-02-02 09:21:56,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:21:56,548 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:21:56,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:21:56,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:21:56,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:21:56,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:21:56" (1/2) ... [2024-02-02 09:21:56,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b2a3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:21:56, skipping insertion in model container [2024-02-02 09:21:56,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:21:56" (1/2) ... [2024-02-02 09:21:56,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ff6d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:21:56, skipping insertion in model container [2024-02-02 09:21:56,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:21:56" (2/2) ... [2024-02-02 09:21:56,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b2a3b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56, skipping insertion in model container [2024-02-02 09:21:56,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:21:56" (2/2) ... [2024-02-02 09:21:56,558 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:21:56,595 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:21:56,596 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,597 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,597 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,597 INFO L101 nessWitnessExtractor]: Location invariant before [L101-L101] ((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (u == 0U)) && (U == 0U) [2024-02-02 09:21:56,597 INFO L101 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,597 INFO L101 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L61-L61] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (t <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] ((t <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (t != 4294967295U) [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] ((1U <= s) && ((unsigned long )_argptr == 0UL)) && (s != 0U) [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L110-L110] (m == 0U) && (c == 0U) [2024-02-02 09:21:56,598 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L104-L104] (((t == 0U) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] ((s <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (s != 4294967295U) [2024-02-02 09:21:56,599 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,600 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,600 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,600 INFO L101 nessWitnessExtractor]: Location invariant before [L105-L105] ((m == 0U) && (c == 0U)) && (u == 0U) [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L102-L102] (((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U)) && (U == 0U) [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L103-L103] ((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-02-02 09:21:56,601 INFO L101 nessWitnessExtractor]: Location invariant before [L107-L107] (((1U <= S) && (m == 0U)) && (c == 0U)) && (S != 0U) [2024-02-02 09:21:56,614 INFO L101 nessWitnessExtractor]: Location invariant before [L100-L100] (((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (S == 0U)) && (u == 0U)) && (U == 0U) [2024-02-02 09:21:56,616 INFO L101 nessWitnessExtractor]: Loop invariant at [L82-L92] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,616 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,616 INFO L101 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,616 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,616 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((1U <= t) && ((unsigned long )_argptr == 0UL)) && (t != 0U) [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,617 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,618 INFO L101 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,618 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,618 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-02-02 09:21:56,618 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] ((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U)) && (U == 0U)) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:21:56,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:21:56,797 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-02-02 09:21:56,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:21:56,813 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:21:56,892 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-02-02 09:21:56,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:21:56,906 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:21:56,906 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56 WrapperNode [2024-02-02 09:21:56,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:21:56,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:21:56,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:21:56,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:21:56,914 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 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:56,932 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 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:56,972 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-02-02 09:21:56,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:21:56,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:21:56,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:21:56,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:21:56,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:56,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:56,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,025 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]. [2024-02-02 09:21:57,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:21:57,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:21:57,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:21:57,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:21:57,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (1/1) ... [2024-02-02 09:21:57,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:21:57,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:21:57,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-02 09:21:57,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-02 09:21:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:21:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:21:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:21:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:21:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:21:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-02 09:21:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-02 09:21:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:21:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:21:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:21:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:21:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:21:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:21:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:21:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:21:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:21:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:21:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:21:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:21:57,136 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:21:57,268 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:21:57,270 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:21:57,742 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:21:57,743 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:21:57,949 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:21:57,950 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-02-02 09:21:57,951 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:21:57 BoogieIcfgContainer [2024-02-02 09:21:57,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:21:57,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:21:57,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:21:57,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:21:57,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:21:56" (1/4) ... [2024-02-02 09:21:57,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f2ded3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:21:57, skipping insertion in model container [2024-02-02 09:21:57,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:21:56" (2/4) ... [2024-02-02 09:21:57,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f2ded3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:21:57, skipping insertion in model container [2024-02-02 09:21:57,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:21:56" (3/4) ... [2024-02-02 09:21:57,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f2ded3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:21:57, skipping insertion in model container [2024-02-02 09:21:57,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:21:57" (4/4) ... [2024-02-02 09:21:57,965 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-02-02 09:21:57,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:21:57,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-02-02 09:21:57,983 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:21:58,082 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-02 09:21:58,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 251 flow [2024-02-02 09:21:58,185 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2024-02-02 09:21:58,186 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-02 09:21:58,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 3/112 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 379 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-02-02 09:21:58,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 115 transitions, 251 flow [2024-02-02 09:21:58,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 111 transitions, 240 flow [2024-02-02 09:21:58,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:21:58,222 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;@beae96f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:21:58,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-02-02 09:21:58,240 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:21:58,241 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:21:58,241 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:21:58,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:21:58,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:21:58,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:21:58,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:21:58,247 INFO L85 PathProgramCache]: Analyzing trace with hash 16852, now seen corresponding path program 1 times [2024-02-02 09:21:58,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:21:58,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057102350] [2024-02-02 09:21:58,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:21:58,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:21:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:21:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:21:58,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:21:58,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057102350] [2024-02-02 09:21:58,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057102350] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:21:58,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:21:58,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:21:58,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486972229] [2024-02-02 09:21:58,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:21:58,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:21:58,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:21:59,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:21:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:21:59,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 115 [2024-02-02 09:21:59,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 111 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:21:59,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:21:59,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 115 [2024-02-02 09:21:59,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:00,286 INFO L124 PetriNetUnfolderBase]: 5151/8698 cut-off events. [2024-02-02 09:22:00,287 INFO L125 PetriNetUnfolderBase]: For 168/168 co-relation queries the response was YES. [2024-02-02 09:22:00,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16502 conditions, 8698 events. 5151/8698 cut-off events. For 168/168 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 73018 event pairs, 5069 based on Foata normal form. 0/5197 useless extension candidates. Maximal degree in co-relation 15154. Up to 7486 conditions per place. [2024-02-02 09:22:00,367 INFO L140 encePairwiseOnDemand]: 99/115 looper letters, 52 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-02 09:22:00,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 97 transitions, 320 flow [2024-02-02 09:22:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-02-02 09:22:00,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5971014492753624 [2024-02-02 09:22:00,385 INFO L175 Difference]: Start difference. First operand has 118 places, 111 transitions, 240 flow. Second operand 3 states and 206 transitions. [2024-02-02 09:22:00,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 97 transitions, 320 flow [2024-02-02 09:22:00,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 308 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-02 09:22:00,429 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 204 flow [2024-02-02 09:22:00,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, 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=100, PETRI_TRANSITIONS=97} [2024-02-02 09:22:00,434 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -18 predicate places. [2024-02-02 09:22:00,435 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 204 flow [2024-02-02 09:22:00,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:00,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:00,435 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:22:00,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:22:00,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:00,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:00,436 INFO L85 PathProgramCache]: Analyzing trace with hash 523010, now seen corresponding path program 1 times [2024-02-02 09:22:00,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:00,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191493981] [2024-02-02 09:22:00,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:22:00,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:00,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191493981] [2024-02-02 09:22:00,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191493981] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:00,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:00,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:00,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189799488] [2024-02-02 09:22:00,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:00,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:00,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:00,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:00,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:00,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 115 [2024-02-02 09:22:00,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:00,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:00,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 115 [2024-02-02 09:22:00,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:01,454 INFO L124 PetriNetUnfolderBase]: 5151/8697 cut-off events. [2024-02-02 09:22:01,455 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-02-02 09:22:01,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16288 conditions, 8697 events. 5151/8697 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 72926 event pairs, 5069 based on Foata normal form. 0/5197 useless extension candidates. Maximal degree in co-relation 16279. Up to 7484 conditions per place. [2024-02-02 09:22:01,513 INFO L140 encePairwiseOnDemand]: 112/115 looper letters, 51 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-02-02 09:22:01,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 308 flow [2024-02-02 09:22:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2024-02-02 09:22:01,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5652173913043478 [2024-02-02 09:22:01,516 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 204 flow. Second operand 3 states and 195 transitions. [2024-02-02 09:22:01,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 308 flow [2024-02-02 09:22:01,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:22:01,518 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 202 flow [2024-02-02 09:22:01,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=97, 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=99, PETRI_TRANSITIONS=96} [2024-02-02 09:22:01,519 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-02-02 09:22:01,520 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 202 flow [2024-02-02 09:22:01,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:01,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:01,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:22:01,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:22:01,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:01,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash 16213845, now seen corresponding path program 1 times [2024-02-02 09:22:01,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:01,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316313304] [2024-02-02 09:22:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:22:01,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:01,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316313304] [2024-02-02 09:22:01,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316313304] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:01,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:01,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:01,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712743016] [2024-02-02 09:22:01,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:01,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:01,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:01,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:01,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:01,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2024-02-02 09:22:01,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:01,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:01,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2024-02-02 09:22:01,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:03,132 INFO L124 PetriNetUnfolderBase]: 7866/14531 cut-off events. [2024-02-02 09:22:03,132 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-02-02 09:22:03,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25843 conditions, 14531 events. 7866/14531 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 907. Compared 134680 event pairs, 2784 based on Foata normal form. 0/9204 useless extension candidates. Maximal degree in co-relation 25832. Up to 5935 conditions per place. [2024-02-02 09:22:03,218 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 82 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-02-02 09:22:03,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 130 transitions, 449 flow [2024-02-02 09:22:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-02-02 09:22:03,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.672463768115942 [2024-02-02 09:22:03,224 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 202 flow. Second operand 3 states and 232 transitions. [2024-02-02 09:22:03,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 130 transitions, 449 flow [2024-02-02 09:22:03,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 130 transitions, 445 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:22:03,229 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 219 flow [2024-02-02 09:22:03,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2024-02-02 09:22:03,230 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-02-02 09:22:03,230 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 219 flow [2024-02-02 09:22:03,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:03,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:03,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:22:03,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:22:03,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:03,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:03,232 INFO L85 PathProgramCache]: Analyzing trace with hash 502629790, now seen corresponding path program 1 times [2024-02-02 09:22:03,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:03,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758009286] [2024-02-02 09:22:03,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:03,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:22:03,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:03,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758009286] [2024-02-02 09:22:03,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758009286] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:03,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:03,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:03,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232204336] [2024-02-02 09:22:03,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:03,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:03,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:03,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:03,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:03,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 115 [2024-02-02 09:22:03,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:03,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:03,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 115 [2024-02-02 09:22:03,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:04,761 INFO L124 PetriNetUnfolderBase]: 8714/15984 cut-off events. [2024-02-02 09:22:04,761 INFO L125 PetriNetUnfolderBase]: For 1378/1392 co-relation queries the response was YES. [2024-02-02 09:22:04,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29453 conditions, 15984 events. 8714/15984 cut-off events. For 1378/1392 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 143055 event pairs, 3264 based on Foata normal form. 8/10823 useless extension candidates. Maximal degree in co-relation 6028. Up to 6317 conditions per place. [2024-02-02 09:22:04,877 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 81 selfloop transitions, 5 changer transitions 0/129 dead transitions. [2024-02-02 09:22:04,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 460 flow [2024-02-02 09:22:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-02-02 09:22:04,880 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2024-02-02 09:22:04,880 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 219 flow. Second operand 3 states and 234 transitions. [2024-02-02 09:22:04,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 460 flow [2024-02-02 09:22:04,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 129 transitions, 455 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:22:04,886 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 222 flow [2024-02-02 09:22:04,887 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-02-02 09:22:04,887 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-02-02 09:22:04,887 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 222 flow [2024-02-02 09:22:04,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:04,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:04,888 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:22:04,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:22:04,889 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:04,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1598345187, now seen corresponding path program 1 times [2024-02-02 09:22:04,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723475553] [2024-02-02 09:22:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:22:04,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:04,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723475553] [2024-02-02 09:22:04,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723475553] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:04,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:04,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:04,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354346321] [2024-02-02 09:22:04,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:04,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:04,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:04,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:04,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:04,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 115 [2024-02-02 09:22:04,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 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) [2024-02-02 09:22:04,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:04,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 115 [2024-02-02 09:22:04,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:06,564 INFO L124 PetriNetUnfolderBase]: 11370/20033 cut-off events. [2024-02-02 09:22:06,564 INFO L125 PetriNetUnfolderBase]: For 2374/2388 co-relation queries the response was YES. [2024-02-02 09:22:06,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37685 conditions, 20033 events. 11370/20033 cut-off events. For 2374/2388 co-relation queries the response was YES. Maximal size of possible extension queue 1091. Compared 179539 event pairs, 5812 based on Foata normal form. 8/13534 useless extension candidates. Maximal degree in co-relation 6090. Up to 12189 conditions per place. [2024-02-02 09:22:06,692 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 79 selfloop transitions, 6 changer transitions 0/128 dead transitions. [2024-02-02 09:22:06,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 128 transitions, 469 flow [2024-02-02 09:22:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-02-02 09:22:06,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2024-02-02 09:22:06,695 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 222 flow. Second operand 3 states and 234 transitions. [2024-02-02 09:22:06,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 128 transitions, 469 flow [2024-02-02 09:22:06,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 128 transitions, 455 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:22:06,698 INFO L231 Difference]: Finished difference. Result has 99 places, 98 transitions, 244 flow [2024-02-02 09:22:06,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=99, PETRI_TRANSITIONS=98} [2024-02-02 09:22:06,699 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-02-02 09:22:06,699 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 98 transitions, 244 flow [2024-02-02 09:22:06,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 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) [2024-02-02 09:22:06,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:06,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:22:06,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-02 09:22:06,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:06,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:06,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1990907258, now seen corresponding path program 1 times [2024-02-02 09:22:06,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:06,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578351584] [2024-02-02 09:22:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:22:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:22:06,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:22:06,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578351584] [2024-02-02 09:22:06,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578351584] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:22:06,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:22:06,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:22:06,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74830639] [2024-02-02 09:22:06,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:22:06,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:22:06,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:22:06,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:22:06,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:22:06,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 115 [2024-02-02 09:22:06,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 98 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:06,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:22:06,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 115 [2024-02-02 09:22:06,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:22:08,394 INFO L124 PetriNetUnfolderBase]: 11846/20772 cut-off events. [2024-02-02 09:22:08,394 INFO L125 PetriNetUnfolderBase]: For 3844/3902 co-relation queries the response was YES. [2024-02-02 09:22:08,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40339 conditions, 20772 events. 11846/20772 cut-off events. For 3844/3902 co-relation queries the response was YES. Maximal size of possible extension queue 1145. Compared 186564 event pairs, 6188 based on Foata normal form. 24/14797 useless extension candidates. Maximal degree in co-relation 6475. Up to 12223 conditions per place. [2024-02-02 09:22:08,512 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 79 selfloop transitions, 7 changer transitions 0/129 dead transitions. [2024-02-02 09:22:08,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 487 flow [2024-02-02 09:22:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:22:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:22:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2024-02-02 09:22:08,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6840579710144927 [2024-02-02 09:22:08,515 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 244 flow. Second operand 3 states and 236 transitions. [2024-02-02 09:22:08,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 487 flow [2024-02-02 09:22:08,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 129 transitions, 481 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:22:08,518 INFO L231 Difference]: Finished difference. Result has 100 places, 99 transitions, 269 flow [2024-02-02 09:22:08,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=100, PETRI_TRANSITIONS=99} [2024-02-02 09:22:08,519 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -18 predicate places. [2024-02-02 09:22:08,519 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 269 flow [2024-02-02 09:22:08,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:22:08,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:22:08,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:22:08,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-02 09:22:08,521 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-02-02 09:22:08,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:22:08,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1588583456, now seen corresponding path program 1 times [2024-02-02 09:22:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:22:08,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608340658] [2024-02-02 09:22:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:22:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:22:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:22:08,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:22:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:22:08,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:22:08,571 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:22:08,572 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 98 remaining) [2024-02-02 09:22:08,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 98 remaining) [2024-02-02 09:22:08,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 98 remaining) [2024-02-02 09:22:08,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 98 remaining) [2024-02-02 09:22:08,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 98 remaining) [2024-02-02 09:22:08,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 98 remaining) [2024-02-02 09:22:08,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 98 remaining) [2024-02-02 09:22:08,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 98 remaining) [2024-02-02 09:22:08,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 98 remaining) [2024-02-02 09:22:08,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 98 remaining) [2024-02-02 09:22:08,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 98 remaining) [2024-02-02 09:22:08,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 98 remaining) [2024-02-02 09:22:08,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 98 remaining) [2024-02-02 09:22:08,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 98 remaining) [2024-02-02 09:22:08,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 98 remaining) [2024-02-02 09:22:08,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 98 remaining) [2024-02-02 09:22:08,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 98 remaining) [2024-02-02 09:22:08,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 98 remaining) [2024-02-02 09:22:08,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 98 remaining) [2024-02-02 09:22:08,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 98 remaining) [2024-02-02 09:22:08,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 98 remaining) [2024-02-02 09:22:08,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 98 remaining) [2024-02-02 09:22:08,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 98 remaining) [2024-02-02 09:22:08,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 98 remaining) [2024-02-02 09:22:08,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 98 remaining) [2024-02-02 09:22:08,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 98 remaining) [2024-02-02 09:22:08,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 98 remaining) [2024-02-02 09:22:08,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 98 remaining) [2024-02-02 09:22:08,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 98 remaining) [2024-02-02 09:22:08,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 98 remaining) [2024-02-02 09:22:08,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 98 remaining) [2024-02-02 09:22:08,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 98 remaining) [2024-02-02 09:22:08,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 98 remaining) [2024-02-02 09:22:08,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 98 remaining) [2024-02-02 09:22:08,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 98 remaining) [2024-02-02 09:22:08,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 98 remaining) [2024-02-02 09:22:08,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 98 remaining) [2024-02-02 09:22:08,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 98 remaining) [2024-02-02 09:22:08,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 98 remaining) [2024-02-02 09:22:08,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 98 remaining) [2024-02-02 09:22:08,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 98 remaining) [2024-02-02 09:22:08,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 98 remaining) [2024-02-02 09:22:08,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 98 remaining) [2024-02-02 09:22:08,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 98 remaining) [2024-02-02 09:22:08,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 98 remaining) [2024-02-02 09:22:08,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 98 remaining) [2024-02-02 09:22:08,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 98 remaining) [2024-02-02 09:22:08,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (46 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 98 remaining) [2024-02-02 09:22:08,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 98 remaining) [2024-02-02 09:22:08,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 98 remaining) [2024-02-02 09:22:08,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 98 remaining) [2024-02-02 09:22:08,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 98 remaining) [2024-02-02 09:22:08,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 98 remaining) [2024-02-02 09:22:08,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 98 remaining) [2024-02-02 09:22:08,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 98 remaining) [2024-02-02 09:22:08,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 98 remaining) [2024-02-02 09:22:08,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 98 remaining) [2024-02-02 09:22:08,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 98 remaining) [2024-02-02 09:22:08,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 98 remaining) [2024-02-02 09:22:08,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 98 remaining) [2024-02-02 09:22:08,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 98 remaining) [2024-02-02 09:22:08,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 98 remaining) [2024-02-02 09:22:08,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 98 remaining) [2024-02-02 09:22:08,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 98 remaining) [2024-02-02 09:22:08,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 98 remaining) [2024-02-02 09:22:08,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 98 remaining) [2024-02-02 09:22:08,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 98 remaining) [2024-02-02 09:22:08,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 98 remaining) [2024-02-02 09:22:08,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 98 remaining) [2024-02-02 09:22:08,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 98 remaining) [2024-02-02 09:22:08,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 98 remaining) [2024-02-02 09:22:08,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 98 remaining) [2024-02-02 09:22:08,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 98 remaining) [2024-02-02 09:22:08,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 98 remaining) [2024-02-02 09:22:08,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 98 remaining) [2024-02-02 09:22:08,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 98 remaining) [2024-02-02 09:22:08,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 98 remaining) [2024-02-02 09:22:08,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 98 remaining) [2024-02-02 09:22:08,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 98 remaining) [2024-02-02 09:22:08,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 98 remaining) [2024-02-02 09:22:08,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 98 remaining) [2024-02-02 09:22:08,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 98 remaining) [2024-02-02 09:22:08,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 98 remaining) [2024-02-02 09:22:08,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 98 remaining) [2024-02-02 09:22:08,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 98 remaining) [2024-02-02 09:22:08,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 98 remaining) [2024-02-02 09:22:08,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 98 remaining) [2024-02-02 09:22:08,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 98 remaining) [2024-02-02 09:22:08,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 98 remaining) [2024-02-02 09:22:08,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 98 remaining) [2024-02-02 09:22:08,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 98 remaining) [2024-02-02 09:22:08,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 98 remaining) [2024-02-02 09:22:08,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 98 remaining) [2024-02-02 09:22:08,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-02 09:22:08,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:22:08,609 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:22:08,609 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:22:08,635 INFO L503 ceAbstractionStarter]: Automizer considered 51 witness invariants [2024-02-02 09:22:08,635 INFO L504 ceAbstractionStarter]: WitnessConsidered=51 [2024-02-02 09:22:08,636 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:22:08 BasicIcfg [2024-02-02 09:22:08,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:22:08,637 INFO L158 Benchmark]: Toolchain (without parser) took 12089.38ms. Allocated memory was 199.2MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 110.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 689.8MB. Max. memory is 16.1GB. [2024-02-02 09:22:08,639 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 199.2MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:08,639 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 199.2MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:08,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.06ms. Allocated memory is still 199.2MB. Free memory was 110.0MB in the beginning and 154.5MB in the end (delta: -44.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-02-02 09:22:08,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.73ms. Allocated memory is still 199.2MB. Free memory was 153.4MB in the beginning and 152.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:22:08,640 INFO L158 Benchmark]: Boogie Preprocessor took 70.22ms. Allocated memory is still 199.2MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:22:08,640 INFO L158 Benchmark]: RCFGBuilder took 906.97ms. Allocated memory is still 199.2MB. Free memory was 149.2MB in the beginning and 101.2MB in the end (delta: 48.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-02-02 09:22:08,640 INFO L158 Benchmark]: TraceAbstraction took 10679.67ms. Allocated memory was 199.2MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 100.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 680.1MB. Max. memory is 16.1GB. [2024-02-02 09:22:08,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 199.2MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 199.2MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.06ms. Allocated memory is still 199.2MB. Free memory was 110.0MB in the beginning and 154.5MB in the end (delta: -44.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.73ms. Allocated memory is still 199.2MB. Free memory was 153.4MB in the beginning and 152.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.22ms. Allocated memory is still 199.2MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 906.97ms. Allocated memory is still 199.2MB. Free memory was 149.2MB in the beginning and 101.2MB in the end (delta: 48.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10679.67ms. Allocated memory was 199.2MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 100.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 680.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, c, T, S, u, U; [L98] pthread_t t1, t2, t3; VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L100] S = __VERIFIER_nondet_uint() [L101] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L101] T = __VERIFIER_nondet_uint() [L102] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L102] U = __VERIFIER_nondet_uint() [L103] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L103] s = S VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L104] t = T VAL [S=0, T=50, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L105] u = U VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] [L107] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[S]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPNEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: 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: 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: 44]: 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: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: 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: 75]: 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: 63]: 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: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: 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: 94]: 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: 87]: 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: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: 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: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: 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: 112]: 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: 110]: 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: 111]: 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, 98 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: 10.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 703 IncrementalHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 25 mSDtfsCounter, 703 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2024-02-02 09:22:08,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE